High-dispersion silver powder and solar battery electrode conductive silver paste
A solar cell, highly dispersed technology, applied in the direction of circuits, electrical components, semiconductor devices, etc., can solve the problems of increasing energy consumption of solar cells, difficulty in dispersing silver powder, easy aggregation, etc., and achieve the effect of reducing percolation value
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0081] Preparation of Highly Dispersed Silver Powder
[0082] Under anhydrous and oxygen-free conditions, add mercaptododecanol to 20ml of dichloromethane and triethylamine, and add dibromoisovaleryl bromide under stirring at 15°C, wherein triethylamine, dibromoisovaleryl bromide The molar ratio of bromine to mercaptododecanol is 1.5:2:1, stirred and reacted at 0°C for 24 hours, then stopped the reaction, added 20ml of water, extracted the reaction product with toluene, and then used saturated chlorinated The product was washed with ammonium solution for 4 times, then dried with anhydrous magnesium sulfate or anhydrous sodium sulfate, and then vacuum-dried to obtain ATRP initiator A containing mercapto groups.
[0083] According to the acylation reaction that takes place between dibromoisovaleryl bromide and mercaptododecanol, the structural formula of initiator A can be obtained as follows:
[0084]
[0085] where n=2; b=11.
[0086] Get linear nano-silver powder (d=60 ±...
Embodiment 2
[0093] Preparation of Highly Dispersed Silver Powder
[0094] Under anhydrous and oxygen-free conditions, add mercaptoethanol to 20ml of chloroform and triethylamine, and add dibromoisobutyryl bromide under stirring at 25°C, wherein triethylamine, dibromoisobutyryl bromide and mercapto The molar ratio of ethanol is 2: 2: 1, stir and react at 8°C for 16 hours, then stop the reaction, add 20ml of water, then extract the product of the reaction with toluene, then wash the product 4 times with saturated ammonium chloride solution , then dried with anhydrous magnesium sulfate or anhydrous sodium sulfate, and then vacuum-dried to obtain ATRP initiator B containing mercapto groups.
[0095] According to the acylation reaction that takes place between dibromoisobutyryl bromide and mercaptoethanol, the initiator structural formula of ATRP initiator B can be obtained as follows:
[0096]
[0097] where b=12
[0098] Get rod-shaped nanometer silver powder (d=100 ± 15nm, L=15000 ± 65...
Embodiment 3
[0105] Preparation of Highly Dispersed Silver Powder
[0106] Under anhydrous and oxygen-free conditions, add mercaptooctaol to 20ml of toluene and amphetamine, and add 2-bromopropionyl bromide under stirring at 35°C, wherein amphetamine, 2-bromopropionyl bromide and mercapto octal The molar ratio of alcohol is 1: 2.5: 1, stirred and reacted at 16°C for 8 hours, then stopped the reaction, added 20ml of water, extracted the product of the reaction with toluene, and washed 4 times with saturated ammonium chloride solution , then dried with anhydrous magnesium sulfate or anhydrous sodium sulfate, and then vacuum-dried to obtain ATRP initiator C containing mercapto groups.
[0107] According to the acylation reaction that takes place between 2-bromopropionyl bromide and mercaptooctaol, the initiator structural formula of ATRP initiator C can be obtained as follows:
[0108]
[0109] Get dendritic nano-silver powder (d=40 ± 15nm, L=1000 ± 50nm) and join in 50g ether, then add i...
PUM
Property | Measurement | Unit |
---|---|---|
particle size | aaaaa | aaaaa |
particle size | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com