Performance evaluation method of transparent conductive material

Abstract

The invention provides a performance evaluation method of a transparent conductive material, and belongs to the technical field of performance evaluation. The method comprises the following steps: step 1, acquiring a transparent conductive material sample set to be evaluated, splitting the sample set into a plurality of groups of completely identical samples, and marking a unique first number for each group; 2, configuring a light source tester according to a preset wavelength interval in a standard test environment, and testing the sample to obtain a first relation curve of the transmittance and the wavelength; 3, performing Hall effect test on the sample in a standard test environment to obtain a second relation curve of the conductivity and the magnetic field intensity; 4, controlling variables in the standard test environment to adjust different environmental parameter test samples to obtain a third relation list of the conductivity and the environmental parameters; and 5, according to the first relation curve, the second relation curve and the third relation list of each group of samples, comprehensively obtaining a total performance score of the sample set. Performance of the transparent conductive material is accurately measured, and material design is optimized.

Description

Technical Field

[0001] The present invention relates to the technical field of performance evaluation, and in particular to a method for evaluating the performance of a transparent conductive material. Background Art

[0002] At present, with the rapid development of modern electronic and optoelectronic devices, transparent conductive materials have become an important component of many new technologies. The demand in display technology, solar photovoltaic, electrochromic window film, touch screen, smart windows and other fields has increased significantly. These applications require materials to have high light transmittance, low resistivity and good stability at the same time. However, the existing evaluation methods often measure a certain characteristic, resulting in inaccurate research results and unreasonable performance evaluation. Therefore, the present invention proposes a method for evaluating the performance of a transparent conductive material. Summary of the invention

[0003] The present invention provides a performance evaluation method for transparent conductive materials, which is used to comprehensively obtain the photoelectric performance, conductivity and environmental adaptability of the material by performing transmittance test, Hall effect test and environmental parameter control test on transparent conductive material samples. Finally, the comprehensive performance of the sample is evaluated through these data, and the overall performance score is obtained, so as to accurately measure the performance of the transparent conductive material and optimize the material design.

[0004] In one aspect, the present invention provides a method for evaluating the performance of a transparent conductive material, comprising: Step 1: Obtain a sample set of transparent conductive materials to be evaluated, divide the sample set into multiple groups of identical samples, and mark each group with a unique first number; Step 2: In a standard test environment, configure a light source tester according to a preset wavelength range and test any numbered sample, and obtain a first relationship curve between transmittance and wavelength according to the test results; Step 3: Perform a Hall effect test on any numbered sample in a standard test environment to obtain a second relationship curve between conductivity and magnetic field strength; Step 4: Control variables in a standard test environment to adjust test samples with different environmental parameters, and obtain a third relationship list between conductivity and environmental parameters; Step 5: Based on the first relationship curve, the second relationship curve and the third relationship list of each group of samples, a comprehensive performance score of the sample set is obtained.

[0005] On the other hand, a sample set of transparent conductive materials to be evaluated is obtained, the sample set is divided into multiple groups of identical samples, and each group is marked with a unique first number, including: Prepare a sample set of transparent conductive materials to be evaluated and ensure that the samples in the sample set are consistent with the test standards; The sample set of the transparent conductive material to be evaluated is divided into multiple groups of identical samples, and each group of samples comes from a different part of the sample set, and each group of samples is assigned a unique first number.

[0006] On the other hand, it also includes: Obtain samples from any group and monitor basic parameters to obtain basic parameter data; Create a database, use the first number of each group of samples as the primary key, and store the basic parameter data in the database after standardization according to the preset fields.

[0007] On the other hand, in a standard test environment, a light source tester is configured according to a preset wavelength range and any numbered sample is tested, and a first relationship curve between transmittance and wavelength is obtained according to the test results, and a unique first number is marked for each group, including: Based on the basic parameter data of all groups of samples, a standard test environment is set up, and any numbered sample is selected as the first test sample; Configure the light source equipment according to the preset wavelength range and calibrate the output intensity of the light source; Place the first test sample vertically in the beam path and record the transmitted light intensity at each wavelength according to the preset wavelength range. The transmittance is: ; Dirac Function, specifically, the incident light intensity is concentrated at , represents the incident light intensity, represents the intensity of transmitted light, Indicates wavelength; The relationship between wavelength and transmittance is mapped to a preset coordinate system to obtain a first relationship curve of the first test sample, wherein the X-axis of the preset coordinate system is wavelength, and the Y-axis is transmittance.

[0008] On the other hand, a Hall effect test is performed on any numbered sample in a standard test environment to obtain a second relationship curve between conductivity and magnetic field strength, including: Take a sample with any number as the second test sample, and install the Hall probe needles at the four corners of the surface of the second test sample in a standard test environment, parallel to the long axis of the second test sample, and the four corners form four electrodes with equal spacing between them; A magnetic field generator is configured, a current source is used to set a certain direct current to pass through the second test sample, and a voltage sensor is used to measure and record the Hall voltage; Then the functional relationship between the conductivity of the second test sample and the magnetic field strength is: ; where i represents the i-th experimental result, represents the conductivity obtained from the ith experimental result, represents the magnetic field strength of the ith experimental result, represents the Hall voltage of the ith experimental result, represents the upper surface resistance of the second test sample, represents the bottom resistance of the second test sample, represents the resistance increase coefficient, represents the resistance reduction factor, Indicates the electrode spacing, n indicates the Hall voltage of n test results in the test, represents the thickness of the second test sample, represents the charge of an electron, represents the i-th current, represents the mobility obtained from the i-th experimental result; Said and The functional relationship of represents the second relationship curve between conductivity and magnetic field strength.

[0009] On the other hand, by controlling variables and adjusting different environmental parameters to test samples in a standard test environment, a third relationship list between conductivity and environmental parameters is obtained, including: According to the expert database, select the environmental parameter group whose influence on conductivity is greater than the standard degree, and determine the test range of all environmental parameters in the parameter group; Taking any environmental parameter as an independent variable and other variables in the environmental parameter group as control variables; Obtain any sample with a first number and perform a Hall effect test in a standard test environment according to the test range of the independent variable; Obtaining experimental results of conductivity changes corresponding to the test range of the independent variable; A third relationship list between conductivity and environmental parameters is constructed, and all environmental parameter types and the conductivity of corresponding experimental results are stored.

[0010] On the other hand, according to the first relationship curve, the second relationship curve and the third relationship list of each group of samples, the overall performance score of the sample set is comprehensively obtained, including: Combining the first relationship curve, the second relationship curve and the third relationship list of the sample, obtaining a single performance indicator score of the sample; According to the first relationship curve, the transmittance score is: ;in, Indicates the transmittance rating, represents the standard ratio weight coefficient, Represents the weight coefficient of the curve slope change, Indicates the commonly used wavelength of the sample The transmittance under represents the standard transmittance of the sample, Indicates the degree of change in the slope of the first relationship curve; represents the derivative of the first relationship curve; According to the second relationship curve and the third relationship table, the conductivity score is: ;in, represents the conductivity score, Indicates the commonly used value of the sample magnetic field strength The conductivity under represents the standard conductivity of the sample, Indicates the degree of change in the slope of the second relationship curve, represents the standard magnetic field ratio weight coefficient, Represents the weight coefficient of the curve slope change, represents the weight coefficient of the standard environmental parameter ratio, represents the standard environmental parameter ratio weight coefficient, k represents a total of k environmental parameter types, Indicates the common value of the first environment parameter. represents the commonly used value of the kth environmental parameter, represents the derivative of the second relationship curve, Indicates the conductivity of the sample at the common value of the first environmental parameter, It represents the conductivity of the sample under the common value of the kth environmental parameter.

[0011] On the other hand, it also includes: The overall performance score for the sample set is: ;in, represents the overall performance score of the sample set, represents the preset weight coefficient of transmittance, represents the preset weight coefficient of conductivity; The performance evaluation results are adjusted and modified by adjusting the preset weight coefficient of the performance total scoring function.

[0012] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides a performance evaluation method for transparent conductive materials, which is used to comprehensively obtain the photoelectric performance, conductivity and environmental adaptability of the material by performing transmittance test, Hall effect test and environmental parameter control test on transparent conductive material samples. Finally, the comprehensive performance of the sample is evaluated through these data, and the overall performance score is obtained, so as to accurately measure the performance of the transparent conductive material and optimize the material design. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic flow chart of a method for evaluating the performance of a transparent conductive material provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] Embodiment 1: like Figure 1 As shown, a method for evaluating the performance of a transparent conductive material provided by an embodiment of the present invention includes: Step 1: Obtain a sample set of transparent conductive materials to be evaluated, divide the sample set into multiple groups of identical samples, and mark each group with a unique first number; Step 2: In a standard test environment, configure a light source tester according to a preset wavelength range and test any numbered sample, and obtain a first relationship curve between transmittance and wavelength according to the test results; Step 3: Perform a Hall effect test on any numbered sample in a standard test environment to obtain a second relationship curve between conductivity and magnetic field strength; Step 4: Control variables in a standard test environment to adjust test samples with different environmental parameters, and obtain a third relationship list between conductivity and environmental parameters; Step 5: Based on the first relationship curve, the second relationship curve and the third relationship list of each group of samples, a comprehensive performance score of the sample set is obtained.

[0017] In this embodiment, the transparent conductive material sample set to be evaluated refers to a set of samples used to test and evaluate the performance of the transparent conductive material.

[0018] In this embodiment, the multiple groups of samples refer to dividing the transparent conductive material sample set to be evaluated into multiple groups, each group containing multiple identical samples.

[0019] In this embodiment, the first number refers to a unique identifier assigned to each group of samples.

[0020] In this embodiment, the preset wavelength range refers to the wavelength range of the light source used to test the transmittance of the transparent conductive material sample.

[0021] In this embodiment, the light source tester is an instrument used to test the light transmittance of a material, especially when evaluating transparent conductive materials, it measures the transmittance of a sample by providing a light source of a specific wavelength.

[0022] In this embodiment, transmittance refers to the ratio of the intensity of transmitted light to the intensity of incident light when light passes through a certain material.

[0023] In this embodiment, the wavelength refers to the distance between two adjacent wave crests (or wave troughs) during the wave propagation process.

[0024] In this embodiment, the first relationship curve is a curve obtained by testing the relationship between the transmittance and wavelength of the transparent conductive material sample.

[0025] In this embodiment, the standard test environment refers to a set of fixed conditions set when performing the test in order to ensure the repeatability and accuracy of the test results. These conditions include factors such as temperature, humidity, air pressure, light intensity, and the placement of samples.

[0026] In this embodiment, the Hall effect test is an experimental method for measuring the electrical properties of a material, especially its conductivity and carrier concentration.

[0027] In this embodiment, electrical conductivity is a physical quantity that measures the electrical conductivity of a material, and indicates the ability of a material to conduct electric current. The higher the electrical conductivity, the stronger the ability of the material to conduct electric current.

[0028] In this embodiment, the magnetic field strength is a physical quantity that describes the magnetic field strength, and represents the strength of the magnetic field and the ability of the magnetic force to act.

[0029] In this embodiment, the second relationship curve refers to a relationship curve between conductivity and magnetic field strength obtained through a Hall effect test.

[0030] In this embodiment, the third relationship list is relationship data between conductivity and environmental parameters obtained by testing transparent conductive material samples by adjusting different environmental parameters (such as temperature, humidity, atmosphere, etc.) in a standard test environment.

[0031] In this embodiment, the environmental parameters refer to various external factors that affect the performance of the transparent conductive material, such as temperature, humidity, atmosphere, etc.

[0032] In this embodiment, the overall performance score is a quantitative result obtained by comprehensively evaluating the transparent conductive material sample based on multiple test results.

[0033] The working principle and beneficial effect of the above technical solution are as follows: The scheme obtains the transmittance and wavelength, Hall effect, Embodiment 2: On the basis of the above-mentioned embodiment 1, a sample set of transparent conductive materials to be evaluated is obtained, and the sample set is divided into multiple groups of identical samples, and each group is marked with a unique first number, including: Prepare a sample set of transparent conductive materials to be evaluated and ensure that the samples in the sample set are consistent with the test standards; The sample set of the transparent conductive material to be evaluated is divided into multiple groups of identical samples, and each group of samples comes from a different part of the sample set, and each group of samples is assigned a unique first number.

[0034] In this embodiment, consistency means that in the transparent conductive material sample set, all samples should have a high degree of similarity and comparability in specific performance or attributes to ensure the reliability and validity of the test results.

[0035] In this embodiment, the test standard includes standard values ​​of parameters such as thickness, surface smoothness, size and shape of the sample.

[0036] In this embodiment, different parts refer to different regions, batches or specific sources in the sample set, and the selection of these different parts helps to ensure the representativeness of the sample set.

[0037] The working principle and beneficial effects of the above technical solution are: by ensuring the consistency of samples in the sample set and splitting it into multiple groups, ensuring that each group of samples comes from different parts, sample bias is avoided, the representativeness and accuracy of the test results are enhanced, and a reliable basis is provided for subsequent performance evaluation.

[0038] Embodiment 3: Based on the above embodiment 2, it also includes: Obtain samples from any group and monitor basic parameters to obtain basic parameter data; Create a database, use the first number of each group of samples as the primary key, and store the basic parameter data in the database after standardization according to the preset fields.

[0039] In this embodiment, basic parameters refer to some basic data describing the characteristics of samples or materials, including: thickness, width, material, maximum withstand temperature, etc.

[0040] In this embodiment, the database is a system for storing, managing and organizing data, supporting efficient access, query and management of data.

[0041] In this embodiment, the primary key is a field or a group of fields in a database table, which is used to uniquely identify each row of data in the table.

[0042] In this embodiment, the preset fields refer to fields that are predefined when designing a database table, and these fields are used to store data of a specific type.

[0043] In this embodiment, standardization in database design and data processing means converting data into a consistent format, unit, range, or precision.

[0044] The working principle and beneficial effects of the above technical solution are: by obtaining the basic parameters of the sample and storing the data in a standardized database, using the first sample number as the primary key, the systematic and traceable data management is ensured, providing reliable data support for subsequent analysis and performance evaluation.

[0045] Embodiment 4: On the basis of the above-mentioned embodiment 2, a light source tester is configured in a standard test environment according to a preset wavelength range and any numbered sample is tested, and a first relationship curve between transmittance and wavelength is obtained according to the test results, and a unique first number is marked for each group, including: Based on the basic parameter data of all groups of samples, a standard test environment is set up, and any numbered sample is selected as the first test sample; Configure the light source equipment according to the preset wavelength range and calibrate the output intensity of the light source; Place the first test sample vertically in the beam path and record the transmitted light intensity at each wavelength according to the preset wavelength range. The transmittance is: ; Dirac Function, specifically, the incident light intensity is concentrated at , represents the incident light intensity, represents the intensity of transmitted light, Indicates wavelength; The relationship between wavelength and transmittance is mapped to a preset coordinate system to obtain a first relationship curve of the first test sample, wherein the X-axis of the preset coordinate system is wavelength, and the Y-axis is transmittance.

[0046] In this embodiment, the first test sample is the group of samples that are optically tested as the starting sample.

[0047] In this embodiment, the output intensity refers to the intensity of light emitted by the light source.

[0048] In this embodiment, the transmitted light intensity refers to the intensity of light that passes through the sample surface and enters the receiving system after passing through the sample.

[0049] In this embodiment, the preset coordinate system refers to a coordinate system selected when performing data recording and analysis, and is used to map the experimental measurement results.

[0050] The working principle and beneficial effects of the above technical solution are: by selecting samples in a standard test environment and measuring the relationship between their transmittance and wavelength, using light source equipment calibration and data mapping, a first relationship curve is obtained to provide accurate transmittance data for the optical performance evaluation of transparent conductive materials, thereby ensuring the accuracy and consistency of the test results.

[0051] Embodiment 5: On the basis of the above-mentioned embodiment 1, a Hall effect test is performed on a sample of any number in a standard test environment to obtain a second relationship curve between conductivity and magnetic field strength, including: Take a sample with any number as the second test sample, and install the Hall probe needles at the four corners of the surface of the second test sample in a standard test environment, parallel to the long axis of the second test sample, and the four corners form four electrodes with equal spacing between them; A magnetic field generator is configured, a current source is used to set a certain direct current to pass through the second test sample, and a voltage sensor is used to measure and record the Hall voltage; Then the functional relationship between the conductivity of the second test sample and the magnetic field strength is: ; where i represents the i-th experimental result, represents the conductivity obtained from the ith experimental result, represents the magnetic field strength of the ith experimental result, represents the Hall voltage of the ith experimental result, represents the upper surface resistance of the second test sample, represents the bottom resistance of the second test sample, represents the resistance increase coefficient, represents the resistance reduction factor, Indicates the electrode spacing, n indicates the Hall voltage of n test results in the test, represents the thickness of the second test sample, represents the charge of an electron, represents the i-th current, represents the mobility obtained from the i-th experimental result; Said and The functional relationship of represents the second relationship curve between conductivity and magnetic field strength.

[0052] In this embodiment, the Hall probe needle is used to accurately measure the Hall voltage passing through the conductor, thereby inferring the strength of the magnetic field.

[0053] In this embodiment, the electrodes are composed of four electrodes of a Hall probe needle, and these electrodes are installed at the four corners of the surface of the second test sample.

[0054] In this embodiment, the spacing refers to the side length of the quadrilateral formed between the electrodes.

[0055] In this embodiment, the magnetic field generator is a device for generating and adjusting a magnetic field of a specific strength and direction.

[0056] In this embodiment, the current source is an electronic device circuit capable of providing a constant current.

[0057] In this embodiment, the Hall voltage refers to the fact that when current flows in one direction in a conductive material, a transverse voltage that interacts with the current and the magnetic field is generated in a direction perpendicular to the current direction and the magnetic field. This voltage is called the Hall voltage.

[0058] In this embodiment, the mobility refers to the mobility of carriers under the action of an electric field.

[0059] The working principle and beneficial effects of the above technical solution are: measuring the relationship between conductivity and magnetic field strength through the Hall effect, configuring a current source, a Hall probe and a magnetic field generator for precise testing, and obtaining a functional relationship curve between conductivity and magnetic field strength, providing quantitative data for the electrical performance evaluation of the material, and ensuring test accuracy and consistency.

[0060] Embodiment 6: On the basis of the above-mentioned embodiment 1, the variables are controlled in the standard test environment to adjust the test samples with different environmental parameters, and a third relationship list between the conductivity and the environmental parameters is obtained, including: According to the expert database, select the environmental parameter group whose influence on conductivity is greater than the standard degree, and determine the test range of all environmental parameters in the parameter group; Taking any environmental parameter as an independent variable and other variables in the environmental parameter group as control variables; Obtain any sample with a first number and perform a Hall effect test in a standard test environment according to the test range of the independent variable; Obtaining experimental results of conductivity changes corresponding to the test range of the independent variable; A third relationship list between conductivity and environmental parameters is constructed, and all environmental parameter types and the conductivity of corresponding experimental results are stored.

[0061] In this embodiment, the test range refers to the range of values ​​selected when testing the independent variables or parameters in the experiment.

[0062] In this embodiment, the standard degree refers to a threshold constant that is preset to represent the degree of influence on the conductivity.

[0063] In this embodiment, the independent variable refers to the variable that is actively changed and controlled in the experiment.

[0064] The working principle and beneficial effects of the above technical solution are: by selecting a large environmental parameter group that affects conductivity, controlling other variables and testing the influence of independent variables on conductivity within different ranges, a relationship table between conductivity and environmental parameters is constructed, accurate experimental data is provided, and material performance evaluation and application are optimized.

[0065] Embodiment 7: On the basis of the above-mentioned embodiment 1, according to the first relationship curve, the second relationship curve and the third relationship list of each group of samples, the overall performance score of the sample set is comprehensively obtained, including: Combining the first relationship curve, the second relationship curve and the third relationship list of the sample, obtaining a single performance indicator score of the sample; According to the first relationship curve, the transmittance score is: ;in, Indicates the transmittance rating, represents the standard ratio weight coefficient, Represents the weight coefficient of the curve slope change, Indicates the commonly used wavelength of the sample The transmittance under represents the standard transmittance of the sample, Indicates the degree of change in the slope of the first relationship curve; represents the derivative of the first relationship curve; According to the second relationship curve and the third relationship table, the conductivity score is: ;in, represents the conductivity score, Indicates the commonly used value of the sample magnetic field strength The conductivity under represents the standard conductivity of the sample, Indicates the degree of change in the slope of the second relationship curve, represents the standard magnetic field ratio weight coefficient, Represents the weight coefficient of the curve slope change, represents the weight coefficient of the standard environmental parameter ratio, represents the standard environmental parameter ratio weight coefficient, k represents a total of k environmental parameter types, Indicates the common value of the first environment parameter. represents the commonly used value of the kth environmental parameter, represents the derivative of the second relationship curve, Indicates the conductivity of the sample at the common value of the first environmental parameter, It represents the conductivity of the sample under the common value of the kth environmental parameter.

[0066] In this embodiment, the degree of change of the slope of the curve refers to the change of the slope of the curve with certain variables when analyzing the relationship curve.

[0067] In this embodiment, the weight coefficient represents the relative importance of adjusting different factors in the final score.

[0068] The working principle and beneficial effects of the above technical solution are: by comprehensively analyzing the relationship between the transmittance, magnetic field strength, conductivity and environmental parameters of the sample, a multi-dimensional scoring system is established to achieve accurate performance evaluation. By combining different relationship curves and environmental parameters, the quantitative evaluation of material performance is optimized to improve test accuracy and reliability.

[0069] Embodiment 8: Based on the above embodiment 7, it also includes: The overall performance score for the sample set is: ;in, represents the overall performance score of the sample set, represents the preset weight coefficient of transmittance, represents the preset weight coefficient of conductivity; The performance evaluation results are adjusted and modified by adjusting the preset weight coefficient of the performance total scoring function.

[0070] In this embodiment, adjustment and modification refers to dynamically adjusting or optimizing the performance evaluation results by changing the preset weight coefficients of different indicators (such as transmittance, conductivity, etc.) in the overall performance scoring function.

[0071] In this embodiment, the total performance score is obtained in the actual environment. The higher it is, the better the performance of the sample is, and vice versa.

[0072] The working principle and beneficial effect of the above technical solution are: by setting the weight coefficients of transmittance and conductivity, the overall performance score of the sample set can be flexibly adjusted to achieve comprehensive performance evaluation. By adjusting the weight coefficients, the evaluation results can be optimized according to different needs, and the adaptability and accuracy of the evaluation can be improved.

[0073] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A method for evaluating the performance of a transparent conductive material, characterized in that: include: Step 1: Obtain a sample set of transparent conductive materials to be evaluated, divide the sample set into multiple groups of identical samples, and mark each group with a unique first number; Step 2: In a standard test environment, configure a light source tester according to a preset wavelength range and test any numbered sample, and obtain a first relationship curve between transmittance and wavelength according to the test results; Step 3: Perform a Hall effect test on any numbered sample in a standard test environment to obtain a second relationship curve between conductivity and magnetic field strength; Step 4: Control variables in a standard test environment to adjust test samples with different environmental parameters, and obtain a third relationship list between conductivity and environmental parameters; Step 5: Based on the first relationship curve, the second relationship curve and the third relationship list of each group of samples, a comprehensive performance score of the sample set is obtained.

2. A method for evaluating the performance of a transparent conductive material according to claim 1, characterized in that: Obtain a sample set of transparent conductive materials to be evaluated, split the sample set into multiple groups of identical samples, and mark each group with a unique first number, including: Prepare a sample set of transparent conductive materials to be evaluated and ensure that the samples in the sample set are consistent with the test standards; The sample set of the transparent conductive material to be evaluated is divided into multiple groups of identical samples, and each group of samples comes from a different part of the sample set, and each group of samples is assigned a unique first number.

3. The method for evaluating the performance of a transparent conductive material according to claim 2, characterized in that: Also includes: Obtain samples from any group and monitor basic parameters to obtain basic parameter data; Create a database, use the first number of each group of samples as the primary key, and store the basic parameter data in the database after standardization according to the preset fields.

4. The method for evaluating the performance of a transparent conductive material according to claim 2, characterized in that: In a standard test environment, configure a light source tester according to a preset wavelength range and test any numbered sample. According to the test results, obtain a first relationship curve between transmittance and wavelength, and mark each group with a unique first number, including: Based on the basic parameter data of all groups of samples, a standard test environment is set up, and any numbered sample is selected as the first test sample; Configure the light source equipment according to the preset wavelength range and calibrate the output intensity of the light source; Place the first test sample vertically in the beam path and record the transmitted light intensity at each wavelength according to the preset wavelength range. The transmittance is: ; Dirac Function, specifically, the incident light intensity is concentrated at , represents the incident light intensity, represents the intensity of transmitted light, Indicates wavelength; The relationship between wavelength and transmittance is mapped to a preset coordinate system to obtain a first relationship curve of the first test sample, wherein the X-axis of the preset coordinate system is wavelength, and the Y-axis is transmittance.

5. The method for evaluating the performance of a transparent conductive material according to claim 1, characterized in that: Perform Hall effect test on any sample in standard test environment to obtain the second relationship curve between conductivity and magnetic field strength, including: Take a sample with any number as the second test sample, and install the Hall probe needles at the four corners of the surface of the second test sample in a standard test environment, parallel to the long axis of the second test sample, and the four corners form four electrodes with equal spacing between them; A magnetic field generator is configured, a current source is used to set a certain direct current to pass through the second test sample, and a voltage sensor is used to measure and record the Hall voltage; Then the functional relationship between the conductivity of the second test sample and the magnetic field strength is: ; where i represents the i-th experimental result, represents the conductivity obtained from the ith experimental result, represents the magnetic field strength of the ith experimental result, represents the Hall voltage of the ith experimental result, represents the upper surface resistance of the second test sample, represents the bottom resistance of the second test sample, represents the resistance increase coefficient, represents the resistance reduction factor, Indicates the electrode spacing, n indicates the Hall voltage of n test results in the test, represents the thickness of the second test sample, represents the charge of an electron, represents the i-th current, represents the mobility obtained from the i-th experimental result; Said and The functional relationship of represents the second relationship curve between conductivity and magnetic field strength.

6. The method for evaluating the performance of a transparent conductive material according to claim 1, characterized in that: In a standard test environment, the variables are controlled to adjust the test samples with different environmental parameters, and a third relationship list between conductivity and environmental parameters is obtained, including: According to the expert database, select the environmental parameter group whose influence on conductivity is greater than the standard degree, and determine the test range of all environmental parameters in the parameter group; Taking any environmental parameter as an independent variable and other variables in the environmental parameter group as control variables; Obtain any sample with a first number and perform a Hall effect test in a standard test environment according to the test range of the independent variable; Obtaining experimental results of conductivity changes corresponding to the test range of the independent variable; A third relationship list between conductivity and environmental parameters is constructed, and all environmental parameter types and the conductivity of corresponding experimental results are stored.

7. The method for evaluating the performance of a transparent conductive material according to claim 1, characterized in that: According to the first relationship curve, the second relationship curve and the third relationship list of each group of samples, the overall performance score of the sample set is obtained comprehensively, including: Combining the first relationship curve, the second relationship curve and the third relationship list of the sample, obtaining a single performance indicator score of the sample; According to the first relationship curve, the transmittance score is: ;in, Indicates the transmittance rating, represents the standard ratio weight coefficient, Represents the weight coefficient of the curve slope change, Indicates the commonly used wavelength of the sample The transmittance under represents the standard transmittance of the sample, Indicates the degree of change in the slope of the first relationship curve; represents the derivative of the first relationship curve; According to the second relationship curve and the third relationship table, the conductivity score is: ;in, represents the conductivity score, Indicates the commonly used value of the sample magnetic field strength The conductivity under represents the standard conductivity of the sample, Indicates the degree of change in the slope of the second relationship curve, represents the standard magnetic field ratio weight coefficient, Represents the weight coefficient of the curve slope change, represents the weight coefficient of the standard environmental parameter ratio, represents the standard environmental parameter ratio weight coefficient, k represents a total of k environmental parameter types, Indicates the common value of the first environment parameter. represents the common value of the kth environmental parameter, represents the derivative of the second relationship curve, Indicates the conductivity of the sample at the common value of the first environmental parameter, It represents the conductivity of the sample under the common value of the kth environmental parameter.

8. The method for evaluating the performance of a transparent conductive material according to claim 7, characterized in that: Also includes: The overall performance score for the sample set is: ;in, represents the overall performance score of the sample set, represents the preset weight coefficient of transmittance, represents the preset weight coefficient of conductivity; The performance evaluation results are adjusted and modified by adjusting the preset weight coefficient of the performance total scoring function.

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