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A kind of preparation method of porous conductive glass

A porous conductive and conductive glass technology, applied in the field of glass, can solve the problems of uneven hole shape and size, and achieve the effect of uniform size, fast speed and increased pore size

Active Publication Date: 2020-06-16
NANJING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

By adjusting the voltage, reaction time, electrolyte, etc., the pore diameter prepared by this method can reach 250nm, but most of the pores are interconnected, and the shape and size of the pores are not uniform.

Method used

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  • A kind of preparation method of porous conductive glass
  • A kind of preparation method of porous conductive glass
  • A kind of preparation method of porous conductive glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1: The average distribution density of a kind of hole is about 60 holes / μm 2 , with an average pore size of about 90nm ( figure 1 The preparation method of the porous conductive glass of a-b), concrete operations are as follows:

[0026] 1) preparation concentration is the commercial zinc powder ethanol suspension of 60mg / mL and the hydrochloric acid aqueous solution that concentration is 0.8mol / L;

[0027] 2) Ultrasonic clean FTO or ITO conductive glass with detergent, deionized water, acetone, ethanol, deionized water, etc. for 10 minutes in sequence, and after drying at 50°C, dilute the zinc powder suspension at 30 μL / cm 2 The amount of spin coating on the conductive layer of conductive glass, the spin coating speed is 1500 rpm;

[0028] 3) Put the conductive glass into hydrochloric acid aqueous solution to dissolve the spin-coated zinc powder, then rinse the conductive glass with deionized water for 10 minutes, and dry it at 50°C to obtain a porous cond...

Embodiment 2

[0030] Example 2: The average distribution density of pores is about 20 pores / μm 2 , with an average pore size of about 50nm ( figure 2 ), the preparation method of the porous conductive glass, the specific operations are as follows:

[0031] 1) preparation concentration is the commercial zinc powder ethanol suspension of 20mg / mL and the hydrochloric acid aqueous solution that concentration is 0.2mol / L;

[0032] 2) Ultrasonic clean FTO or ITO conductive glass with detergent, deionized water, acetone, ethanol, deionized water, etc. for 10 minutes in sequence, and after drying at 50°C, distill the zinc powder ethanol suspension at 30 μL / cm 2 The amount of spin coating on the conductive layer of conductive glass, spin coating speed is 500 rpm;

[0033] 3) Put the conductive glass into hydrochloric acid aqueous solution to dissolve the spin-coated zinc powder, then rinse the conductive glass with deionized water for 10 minutes, and dry it at 50°C to obtain a porous conductive g...

Embodiment 3

[0034] Embodiment 3: The average distribution density of a kind of hole is about 20 holes / μm 2 , with an average pore size of about 40nm ( image 3 The preparation method of the porous conductive glass of a), concrete operations are as follows:

[0035] 1) preparation concentration is the commercial zinc powder ethanol suspension of 60mg / mL and the hydrochloric acid aqueous solution that concentration is 0.6mol / L;

[0036] 2) Ultrasonic clean FTO or ITO conductive glass with detergent, deionized water, acetone, ethanol, deionized water, etc. for 10 minutes in sequence, and after drying at 50°C, distill the zinc powder ethanol suspension at 30 μL / cm 2 The amount of spin coating on the conductive layer of conductive glass, the spin coating speed is 4000 rpm;

[0037] 3) Put the conductive glass into hydrochloric acid aqueous solution to dissolve the spin-coated zinc powder, then rinse the conductive glass with deionized water for 10 minutes, and dry it at 50°C to obtain a poro...

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Abstract

The invention provides a preparation method of porous conducting glass. The method comprises the following steps: preparing a zinc dust ethanol fluid suspension and a hydrochloric acid aqueous solution, washing FTO or ITO conducting glass, performing ultrasonic cleaning by using deionized water, acetone, ethanol and deionized water in order, drying the materials, taking the zinc dust ethanol fluidsuspension for performing spin coating on a conducting layer of the conducting glass, placing the conducting glass in a hydrochloric acid aqueous solution for dissolving zinc dust subjected to spin coating, flushing the conducting glassby the deionized water, and drying the conducting glass to obtain the porous conducting glass. By using a reaction process of zinc dust and hydrochloric acid, theconducting layer on the conducting glass is catalyzed and dissolved at a fixed point, under prerequisite that good continuity and conductivity of the conducting layer are kept, the holes which are mutually independent and not penetrated as well as having the advantages of uniform size, large aperture and aperture distribution density, and adjustable scope are prepared, the method has the advantages of simple process and low cost, complex equipment is not required, speed is fast, and only more than ten minutes can be required for the preparation process.

Description

Technical field [0001] The invention relates to glass, in particular to porous conductive glass. Background technique [0002] Porous conductive glass is widely used in displays, sensors, solar cells and other fields due to its advantages of good electrical conductivity, light transmittance and large surface area. The main preparation methods of existing porous conductive glass can be divided into three categories: particle accumulation to form pores, template pores, and corrosion to form pores. The main methods for particle accumulation to form holes include magnetron sputtering, molecular beam epitaxy, pulse laser ablation, chemical vapor deposition, inkjet printing, spin coating, etc. The holes prepared by these methods are basically made of Nanoparticles are closely packed, not only interconnected, but also mostly within the range of dozens of nanometers. The representative method of template pore creation is the sol-gel method. This method incorporates organic molecul...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C17/00C03C15/00
CPCC03C15/00C03C17/009
Inventor 章建辉韩季刚施泽宇
Owner NANJING UNIV
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