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Organic-inorganic hybrid material crystal with photoconductive effect and application thereof

A hybrid material, photoconductive technology, applied in the fields of organic chemistry, antimony organic compounds, photovoltaic power generation, etc., can solve the problems of environmental pollution, poor thermal stability and chemical stability of solar cells, etc.

Inactive Publication Date: 2019-09-03
TIANJIN NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in order to realize the commercialization and industrial application of perovskite solar cells and other devices, there are still many problems, one of which is the research and development of non-toxic materials. Lead in the current high-efficiency perovskite solar cell light-absorbing materials is one of the 17 chemical substances that seriously endanger human life and the natural environment
Lead-based perovskite solar cells have poor thermal and chemical stability, and the lead in the film is easily released, causing pollution to the environment

Method used

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  • Organic-inorganic hybrid material crystal with photoconductive effect and application thereof
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  • Organic-inorganic hybrid material crystal with photoconductive effect and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] (1) Add 0.39g of Sb 2 o 3 , 10mL of hydroiodic acid (55%-57%), and 0.39ml of 1-methylpiperidine were added to the inner lining of the reaction kettle in turn, and the inner lining of the reaction kettle was put into the reaction kettle to seal. The chemicals mentioned above Sb 2 o 3 , 1-methylpiperidine can be purchased in general chemical drug stores, and the hydroiodic acid can be purchased in Beijing Yinuokai Technology Co., Ltd. Its advantage is that the color of hydroiodic acid is close to colorless, and its quality is better, which is different from Common yellow and brown hydroiodic acid;

[0040] (2) Put the reaction kettle in an electric blast drying oven, set the temperature parameters as follows: rise from room temperature to 160°C in 3 hours, keep at 160°C for 2 hours, and finally cool down to room temperature in 20 hours;

[0041] (3) Transfer the sample in the reaction kettle in the experiment to the petri dish, suck up the remaining liquid with a plas...

Embodiment 2

[0043] In order to better understand the potential of the present invention applied to optoelectronic devices, the following is the photocurrent test of the material:

[0044] The experimental design and operation are as follows:

[0045] (1) Select a crystal with regular shape, large size and few defects and place it on a non-conductive glass substrate. 6 h 14 N[SbI 4 ] put two silver electrodes on the two ends of the crystal, and heat it on a universal furnace for 10 minutes to make it dry and conduct electricity, forming a simple photodetector, such as Figure 6 shown;

[0046] (2) Place the above-mentioned detector on the TF2000 ferroelectric thin-film probe station, connect the probe to the electrode, and test the current curves of the materials passing through the material under 5V, 10V, and 15V voltages under dark conditions;

[0047] (3) Irradiate 635nm, 445nm, 405nm lasers with a wavelength of 20mw on the surface of the sample, and measure the current curves passi...

Embodiment 3

[0052] Specific application examples

[0053] Such as Figure 7 As shown, it is a schematic diagram of a light-controlled rheostat. Diagram A is the light source with wavelengths of 635nm, 445nm, and 405nm, and 1, 2, and 3 are the switches of light sources with wavelengths of 635nm, 445nm, and 405nm, respectively, to control the opening of different light sources. to include C 6 h 14 N[SbI 4 ] A simple photodetector of materials and electrodes, and B is a metal or other material shell that includes the above-mentioned parts.

[0054] (1) Use a multimeter or other electrical testing instruments to obtain the resistance between the two electrodes under three different wavelength light sources or under dark conditions.

[0055] (2) The electrodes of the device are connected to other devices, and the resistance of the device can be controlled by light sources of different wavelengths to provide different resistance or current signals required for the device.

[0056] Compared...

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Abstract

The invention discloses an organic-inorganic hybrid material crystal with photoconductive effect and application thereof. The crystal structure has a molecular formula of C6H14N[SbI4], which is characterized by having a space group of P21 / n, and cell parameters of a=11.2855(6) angstrom, b=23.0415(11) angstrom, c=18.5034(9) angstrom; alpha=90 degrees, beta=91.1800(10) degrees and gamma=90 degrees.The invention further discloses the use of C6H14N[SbI4] in the photoelectric field, i.e. photoelectric detectors, solar cells, and the like in photoelectric functional material field.

Description

technical field [0001] The invention belongs to the field of optoelectronic materials, in particular to a lead-free organic-inorganic hybrid material C with photoconductive effect 6 h 14 N[SbI 4 ] The application in optoelectronic devices will have a strong application potential in solar cells and photodetector devices. Background technique [0002] In the 1990s, Mitzt devoted himself to the study of layered organic-inorganic hybrid perovskite materials, which are mainly used in thin-film transistors and light-emitting diodes because of their strong exciton binding energy. Afterwards, the special performance of organic-inorganic hybrid perovskite materials—bipolar carrier transport characteristics have not been discovered by researchers. The discovery of this characteristic inspired and promoted the widespread application of perovskite materials in planar heterojunction devices. used, and triggered the rapid development of organic-inorganic hybrid perovskite materials in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F9/90H01L51/46
CPCC07F9/902H10K85/30Y02E10/549
Inventor 王守宇陈晓丽雷蕴麟刘卫芳刘慧兰
Owner TIANJIN NORMAL UNIVERSITY
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