Nanometer Ni-P conductive ink and preparation method thereof

A conductive ink and nano technology, applied in the field of nano materials, can solve the problems of high activity of nano copper powder, high economic cost and high price, and achieve the effects of high economic and practical value, convenient operation and low cost

Inactive Publication Date: 2013-09-18
SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above studies are all conductive inks prepared from expensive nano-silver powder, gold powder and copper powder. The high economic cost has become the biggest obstacle to industrial promotion, and the high activity of nano-copper powder is easy to oxidize.

Method used

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  • Nanometer Ni-P conductive ink and preparation method thereof
  • Nanometer Ni-P conductive ink and preparation method thereof
  • Nanometer Ni-P conductive ink and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Dissolve 6.5375g of nickel sulfate hexahydrate and 7.5g of sodium hypophosphite in 50ml of deionized water, stir, mix with a 250ml volumetric flask to constant volume, cool, keep warm at 20°C, add 4ml of 1mol / L sodium hydroxide solution to adjust pH; slowly add 0.025g sodium borohydride, 0.033g hydrazine hydrate, 0.1429g potassium borohydride, continue to stir for 60 minutes, cool to room temperature, and age for 6 hours to obtain a Ni-P nano-nickel powder dispersion; the obtained dispersion Centrifuge at a speed of 6000 rpm for 30 minutes, wash twice with ammonia water, deionized water and absolute ethanol, and then vacuum-dry at room temperature for 3 hours to obtain Ni-P nano-nickel powder; weigh 0.2 g of nano-nickel powder, dissolved in 0.5g ethylene glycol solvent, and added 0.3g dispersant-polyethylene glycol, to obtain 20% nanometer Ni-P conductive ink.

[0039] The Ni-P nano-nickel powder obtained above is sampled, and its phase spectrum analysis is carried out ...

Embodiment 2

[0042] Dissolve 3.2234g of nickel chloride and 7.5g of sodium hypophosphite in 50ml of deionized water, stir, mix with a 250ml volumetric flask to constant volume, cool, keep warm at 40°C, add 4ml of 1mol / L sodium hydroxide solution to adjust the pH Slowly add 0.066g hydrazine hydrate, keep stirring for 40 minutes, cool to room temperature, and age for 6 hours to obtain a Ni-P nano-nickel powder dispersion; the dispersion obtained is centrifuged at a speed of 6000 rpm for 30 minutes, Wash twice with ammonia water, deionized water and absolute ethanol respectively, then vacuum-dry at room temperature for 3 hours to obtain Ni-P nano-nickel powder; weigh 0.3g nano-nickel powder, dissolve in 0.6g ethylene glycol solvent, and Add 0.1g dispersant oleic acid to obtain 30% nano Ni-P conductive ink.

[0043] The Ni-P nano-nickel powder obtained above was sampled, and it was analyzed by X-ray diffractometer (XRD), and the results were as follows: Figure 5 . Sampling the Ni-P conducti...

Embodiment 3

[0046]Dissolve 3.2686g of nickel sulfate hexahydrate, 1.6117g of nickel chloride and 7.5g of sodium hypophosphite in 50ml of deionized water, stir, mix with a 250ml volumetric flask to volume, cool, transfer to a beaker and heat to 40°C, add 4 milliliters of 1mol / L sodium hydroxide solution adjusts pH; Slowly add 0.066g hydrazine hydrate, keep stirring for 60 minutes, cool to room temperature, and age for 6 hours to obtain a Ni-P nano-nickel powder dispersion; Centrifuge for 15 minutes under the rotating speed of rev / min, wash twice with ammoniacal liquor, deionized water and absolute ethanol respectively, then vacuum-dry at room temperature for 3 hours, obtain Ni-P nano-nickel powder; Weigh 0.3g nano-nickel powder, Dissolve in 0.5g ethanol solvent, and add 0.2g OP-10 emulsifier to obtain 30% nano Ni-P conductive ink.

[0047] Sampling the Ni-P conductive ink, using an atomic force microscope (AFM) to observe the nano-nickel powder in the nano-Ni-P conductive ink, the results ...

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Abstract

The invention discloses a nanometer Ni-P conductive ink and a preparation method thereof, belongs to the field of nanometer materials. The conductive ink comprises one or more of amorphous nano Ni-P powder, water, ethanol and ethylene glycol, one or more of oleic acid, polyethylene glycol and OP-10 emulsifier; the mass content of the amorphous nano Ni-P powder is 10-30%; and the grain size is 30-85 nm. The preparation method orderly comprises the following steps of: preparing nickel salt and sodium hypophosphite into a water solution according to the molar ratio of 0.3; adding the prepared reaction mixing solution into a nucleation revulsant to trigger reaction and disperse; centrifuging, edulcorating and drying the reacted mixing solution to prepare the amorphous nano Ni-P powder; and preparing the conductive ink according to the ratio, wherein the nucleation revulsant is sodium borohydride and/or potassium borohydride. The invention provides the nano Ni-P conductive ink with low price and excellent performance, and the preparation method thereof.

Description

technical field [0001] The invention belongs to the field of nanometer materials and relates to a conductive ink, in particular to a nano Ni-P conductive ink. Background technique [0002] In the electronics industry, traditional lithography printing circuit boards have problems such as time-consuming, expensive, environmental pollution, and limited optional substrates. The inkjet printing technology, which has the advantages of no contact, no pressure, and no printing plate, has already It has attracted great attention from developed countries such as the European Union, the United States, and Japan, and this technology can be widely used in various electronic products, such as printed circuits (PCB and FPC), electronic tags (RFID), organic light-emitting diodes (OLED), smart Displays, conventional and solar cells, sensors and electronic packaging, etc. ABC Nanotechnology Co., Ltd. in Daejeon, South Korea has successfully developed a nano conductive ink, which is applied t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/02
Inventor 王龙龚敏黄恩龙刘春海
Owner SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING
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