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Silver nanoparticle composition and method of forming conductive features on a substrate

A technology of silver nanoparticles and conductive compositions, applied in conductive coatings, electrical components, printed circuits, etc.

Inactive Publication Date: 2014-11-05
XEROX CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the deposition and / or patterning of functional electrodes, pixel pads, and conductive traces, lines, and tracks that meet the conductivity, processing, and cost requirements of practical applications has become a great challenge

Method used

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  • Silver nanoparticle composition and method of forming conductive features on a substrate
  • Silver nanoparticle composition and method of forming conductive features on a substrate
  • Silver nanoparticle composition and method of forming conductive features on a substrate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0165] Embodiment 1: Preparation of silver nanoparticles

[0166] Silver acetate (0.167 g, 1 mmol) and 1-hexadecylamine (4.83 g, 20 mmol) were first dissolved in toluene (100 mL) by heating at 60° C. until the silver acetate was dissolved. To this solution was added a solution of phenylhydrazine (0.43 g, 4 mmol) in toluene (50 mL) with vigorous stirring over 10 minutes. The resulting reaction mixture was stirred at 60 °C for 1 hour and then cooled to room temperature. Next, acetone (10 mL) was added to the reaction mixture to consume any excess phenylhydrazine. Removal of solvent from the reaction mixture gave a residue which was added to stirring methanol (100 mL) to precipitate crude silver nanoparticles. The crude silver nanoparticles were separated by centrifugation, washed twice with acetone, and then air-dried.

Embodiment 2

[0167] Embodiment 2: the preparation of gelling agent mixture A

[0168] A gelling agent mixture was prepared by adding 0.073 g of UNICLEAR 100 to 0.818 g of ISOPAR G (isoparaffin solvent) and 0.109 g of terpineol. The mixture was then heated to a temperature of about 100° C. and stirred at this temperature for 30 minutes.

Embodiment 3

[0169] Embodiment 3: the preparation of low polarity gel composition A

[0170] A low-polarity gel composition was prepared by mixing 0.5 g of the silver nanoparticles obtained in Example 1 with the gelling agent mixture of Example 2, and stirring the mixture at a temperature of about 100° C. for 30 minutes. Once cooled, a low-polarity nano silver gel composition can be obtained. It is believed that the gelled nanosilver composition can be printed with a piezo printer or by a more conventional printing method at a temperature above the gel transition temperature.

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Abstract

A composition that includes an stabilized silver nanoparticles, a gellant and an optional wax. The gellant and the stabilized silver nanoparticles are soluble or dispersable in either an isoparaffinic hydrocarbon solvent, a mineral oil solvent or an alkane solvent.

Description

technical field [0001] The present invention relates to a composition comprising a stabilized silver nanoparticle, a gelling agent and optionally a wax; and a method of using the composition to form conductive features on a substrate . Background technique [0002] There is a lot of interest in processing electronic circuit components using metal nanoparticle liquid deposition techniques because such techniques are used in electronic applications—such as thin-film transistors (TFTs), light-emitting diodes (LEDs), RFID tags, photovoltaics (photovoltaic)— —The conventional mainstream amorphous silicon technology offers a potential low-cost alternative. However, the deposition and / or patterning of functional electrodes, pixel pads, and conductive traces, lines, and tracks that meet the conductivity, processing, and cost requirements of practical applications has become a great challenge. [0003] In addition, phase change inks (sometimes referred to as "hot melt inks") have ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/52C08L77/00C08K9/04C08K3/08
CPCC09D11/36H05K1/097C09D11/52C09D11/033C09D11/34C09D5/24H05K2203/122H05K2203/0783
Inventor M·P·布莱顿吴贻良N·肖帕J·L·贝乐丽S·V·德雷派尔
Owner XEROX CORP