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Chloroplatinic acid slurry, preparation method and application of chloroplatinic acid slurry

A technology of chloroplatinic acid and slurry, applied in the direction of photosensitive equipment, final product manufacturing, sustainable manufacturing/processing, etc., can solve problems such as low viscosity, unsuitable glass substrate sintering, small amount of platinum, etc., and achieve the effect of improving stability

Active Publication Date: 2011-12-07
ENN SCI & TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But still do not have a kind of platinum slurry that is applicable to screen printing at present, the slurry viscosity that general screen printing needs is 4~60Pa s, and the obtained chloroplatinic acid solution itself in the prior art is thinner, It is not suitable for direct printing, and the viscosity is small, the amount of platinum coated is small, the performance of the prepared counter electrode is not good, and the amount of platinum loaded cannot be accurately controlled, and the product performance is unstable; in addition, the prepared by powder The sintering temperature required for platinum paste is 800-1200°C, while the melting temperature of the glass substrate is 600°C, so this platinum paste is not suitable for sintering of glass substrates

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] First, 3 g (Beijing Chemical Plant, the same below) ethyl cellulose was slowly added into 27 g of absolute ethanol under stirring to prepare a 10% by mass ethyl cellulose-ethanol solution. Then, 2.5895g of commercially available (Beijing Chemical Plant, the same below) analytically pure chloroplatinic acid is dissolved in the ethanol solution of 500ml, prepares the chloroplatinic acid solution of 10mM, under magnetic sub-stirring condition, adds 10g terpineol ( Beijing Chemical Plant, analytically pure), stirred for 1 min, and carried out the first ultrasonic treatment, the ultrasonic conditions were power 400w, ultrasonic 2 seconds, 2 seconds intermittent, ultrasonic 30 times in total, and then added 20 g of pre-prepared 10% The ethylcellulose-ethanol solution was stirred for 1 min, and then the second ultrasonic treatment was performed according to the above conditions, and the ultrasonic treatment was performed 30 times. Then distill under reduced pressure at 40°C fo...

Embodiment 2

[0046] First, 3 g of commercial analytically pure ethyl cellulose was slowly added into 27 g of absolute ethanol under stirring to prepare a 10% by mass ethyl cellulose-ethanol solution.

[0047] Then, 5.179g commercially available analytically pure chloroplatinic acid is dissolved in the ethanol solution of 500ml, prepares the chloroplatinic acid solution of 20mM, under magnetic stirring condition, adds 10g terpineol (Beijing Chemical Plant, analytically pure), Stir for 2 minutes, carry out the first ultrasonic treatment, the ultrasonic condition is power 800w, ultrasonic 6 seconds, intermittent 2 seconds, ultrasonic 40 times in total, then add 30g of pre-prepared 10% ethyl cellulose-ethanol under the condition of magnetic stirring The solution was stirred continuously for 2 minutes, and then subjected to the second ultrasonic treatment, the ultrasonic condition was power 600w, ultrasonic 3 seconds, 1 second interval, total ultrasonic 30 times. Then, vacuum distillation was c...

Embodiment 3

[0051] First, 3 g of commercial analytically pure ethyl cellulose was slowly added into 27 g of absolute ethanol under stirring to prepare a 10% by mass ethyl cellulose-ethanol solution.

[0052] Next, 5.179g commercially available analytically pure chloroplatinic acid is dissolved in the ethanol solution of 500ml, prepares the chloroplatinic acid solution of 20mM, under the condition of magnetic stirring, add 10g terpineol (commercially available, analytically pure), stir 2min, carry out the first ultrasonic treatment, the ultrasonic condition is the power of 500w, ultrasonic 1 second, 2 seconds intermittent, ultrasonic 20 times in total, then add 10g pre-prepared 10% ethyl cellulose-ethanol solution under the condition of magnetic sub-stirring, Stirring was continued for 2 minutes, and then the second ultrasonic treatment was carried out according to the above conditions, and the ultrasonic treatment was performed 40 times. Then distill under reduced pressure at 40°C for 60 ...

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Abstract

The invention provides chloroplatinic acid slurry and a preparation method and an application thereof. The chloroplatinic acid slurry per 100g comprises 5.84-21.5g of chloroplatinic acid, 38.34-61.55gof one or more compounds of terpineol, kerosene, high boiling paraffin oil and ethylene glycol monomethyl acetate, 4.15-13.51g of ethylcellulose and inevitable impurities. In the preparation processof the chloroplatinic acid slurry, one or more compounds of terpineol, kerosene, high boiling paraffin oil and ethylene glycol monomethyl acetate and ethylcellulose are used to regulate the viscosityof the chloroplatinic acid slurry to meet the demand of the application of the slurry. The obtained chloroplatinic acid slurry has higher viscosity so that the chloroplatinic acid slurry can be directly used to prepare the counter electrodes of dye-sensitized solar cells by screen printing.

Description

technical field [0001] The present invention relates to a chloroplatinic acid slurry, a method for preparing the chloroplatinic acid slurry and its application, in particular, it relates to the preparation of a chloroplatinic acid slurry suitable for screen printing, and the method for preparing the chloroplatinic acid slurry. Preparation method and its application. Background technique [0002] The dye-sensitized nanocrystalline titanium dioxide (TiO2) developed in the 1990s 2 ) solar cell (DSC) has the advantages of its cheap cost, simple process and stable performance, and has become a strong competitor of traditional solar cells. Its photoelectric efficiency is stable at 10%, the production cost is only 1 / 5-1 / 10 of that of silicon solar cells, and its service life can reach more than 20 years. DSC is mainly composed of dye-sensitized photoanode, electrolyte and counter electrode. Platinum plated on the counter electrode can act as a catalyst, which is beneficial to red...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G9/04H01G9/20H01M14/00H01L51/48
CPCY02E10/542Y02E10/549Y02P70/50
Inventor 赵云峰李晓洁
Owner ENN SCI & TECH DEV
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