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Measurement method for light absorption performance of nanoparticles

A nanoparticle and light absorption technology, which is applied in the measurement of color/spectral properties, etc., can solve the problem that the light absorption of lanthanum hexaboride nanoparticles is not properly measured.

Inactive Publication Date: 2018-09-14
程桂平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The light absorption of lanthanum hexaboride nanoparticles has not been reasonably measured in the prior art, and the light absorption of the substance is of great significance for the subsequent use of the substance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A method of measuring light absorbance of nanoparticles comprising:

[0021] Step 1: Take 1 gram of lanthanum hexaboride nanoparticles and add them to 20ml of isopropanol solvent;

[0022] Step 2: Add 0.5 mL of ammonia water and 2 g of tetraethyl silicate to the solution obtained in step 1, react and stir at 30°C for 24 hours;

[0023] Step 3: add 3 grams of tetrabutoxysilane and 2 ml of n-propanol, react and stir at 50 ° C for 12 hours;

[0024] Step 4: Add 1 gram of aminopropyl triethoxysilane and 3 grams of 3-(triethoxysilyl) propyl succinic anhydride, react and stir at 30°C for 24 hours;

[0025] Step 5: Wash 3 times with alcohol;

[0026] Step 6: Heat the obtained powder to 400°C at a heating rate of 2°C / min to form lanthanum hexaboride nanoparticles whose surface is double-doped with carbon silicon dioxide;

[0027] 7: Mix human cervical cancer cells with cell culture medium and add them to a 96-well culture plate. The number of cancer cells in each well is 2,0...

Embodiment 2

[0036] A method of measuring light absorbance of nanoparticles comprising:

[0037] Step 1: Take 1 gram of lanthanum hexaboride nanoparticles and add them to 20ml of isopropanol solvent;

[0038] Step 2: Add 0.5 mL of ammonia water and 2.2 g of tetraethyl silicate to the solution obtained in step 1, react and stir at 30° C. for 24 hours;

[0039] Step 3: add 3 grams of tetrabutoxysilane and 2 ml of n-propanol, react and stir at 50 ° C for 12 hours;

[0040] Step 4: Add 1 gram of aminopropyl triethoxysilane and 3 grams of 3-(triethoxysilyl) propyl succinic anhydride, react and stir at 30°C for 24 hours;

[0041] Step 5: Wash 3 times with alcohol;

[0042] Step 6: Heat the obtained powder to 400°C at a heating rate of 2°C / min to form lanthanum hexaboride nanoparticles whose surface is double-doped with carbon silicon dioxide;

[0043] 7: Mix human cervical cancer cells with cell culture medium and add them to a 96-well culture plate. The number of cancer cells in each well is...

Embodiment 3

[0052] A method of measuring light absorbance of nanoparticles comprising:

[0053] Step 1: Take 1 gram of lanthanum hexaboride nanoparticles and add them to 20ml of isopropanol solvent;

[0054] Step 2: Add 0.5 mL of ammonia water and 2.3 g of tetraethyl silicate to the solution obtained in step 1, react and stir at 30° C. for 24 hours;

[0055] Step 3: add 3 grams of tetrabutoxysilane and 2 ml of n-propanol, react and stir at 50 ° C for 12 hours;

[0056] Step 4: Add 1 gram of aminopropyl triethoxysilane and 3 grams of 3-(triethoxysilyl) propyl succinic anhydride, react and stir at 30°C for 24 hours;

[0057] Step 5: Wash 3 times with alcohol;

[0058] Step 6: Heat the obtained powder to 400°C at a heating rate of 2°C / min to form lanthanum hexaboride nanoparticles whose surface is double-doped with carbon silicon dioxide;

[0059] 7: Mix human cervical cancer cells with cell culture medium and add them to a 96-well culture plate. The number of cancer cells in each well is...

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Abstract

The invention relates to a measurement method for the light absorption performance of nanoparticles. The method includes the steps of: 1. adding 1g of lanthanum hexaboride nanoparticles into 20ml of an isopropanol solvent; 2. adding 0.5mL of ammonia water and 2g of tetraethyl orthosilicate into the solution obtained in step 1, and carrying out stirring reaction at 30DEG C for 24h; 3. adding 3g oftetrabutoxysilane and 2ml of n-propanol, and carrying out stirring reaction at 50DEG C for 12h; and 4. adding 1g of aminopropyl triethoxysilane and 3g of 3-(triethoxysilyl)propyl succinic anhydride, and carrying out stirring reaction at 30DEG C for 24h.

Description

technical field [0001] The present invention relates to a method of measuring the absorbance of nanoparticles. Background technique [0002] The light absorption of lanthanum hexaboride nanoparticles has not been reasonably measured in the prior art, and the light absorption of the substance is of great significance for the subsequent utilization of the substance. Contents of the invention [0003] A method of measuring light absorbance of nanoparticles comprising: [0004] Step 1: Take 1 gram of lanthanum hexaboride nanoparticles and add them to 20ml of isopropanol solvent; [0005] Step 2: Add 0.5 mL of ammonia water and 2 g of tetraethyl silicate to the solution obtained in step 1, react and stir at 30°C for 24 hours; [0006] Step 3: add 3 grams of tetrabutoxysilane and 2 ml of n-propanol, react and stir at 50 ° C for 12 hours; [0007] Step 4: Add 1 gram of aminopropyl triethoxysilane and 3 grams of 3-(triethoxysilyl) propyl succinic anhydride, react and stir at 30...

Claims

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Application Information

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IPC IPC(8): G01N21/31
CPCG01N21/31
Inventor 程桂平
Owner 程桂平
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