AIR STABLE COPPER NANOPARTICLE INK AND APPLICATIONS THEREFOR
First Claim
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1. A copper nanoparticle ink composition, comprising:
- copper nanoparticles;
a substituted dithiocarbonate stabilizer; and
a carrier solvent;
wherein the stabilizer stabilizes the copper nanoparticles.
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Abstract
Low-cost copper nanoparticle inks that can be annealed onto paper substrate for RFID antenna applications, using substituted dithiocarbonates as stabilizers during copper nanoparticle ink production.
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Citations
22 Claims
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1. A copper nanoparticle ink composition, comprising:
- copper nanoparticles;
a substituted dithiocarbonate stabilizer; and
a carrier solvent;wherein the stabilizer stabilizes the copper nanoparticles. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
- copper nanoparticles;
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13. A process for forming a copper nanoparticle ink composition, comprising:
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providing a substituted dithiocarbonate stabilizer; and stabilizing a copper nanoparticle dispersion with the substituted dithiocarbonate stabiizer in a solvent medium. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A process for forming conductive lines on a substrate, comprising:
- printing a copper nanoparticle ink composition onto a substrate in an ambient
environment; and annealing the ink onto the substrate in an ambient environment. - View Dependent Claims (21, 22)
- printing a copper nanoparticle ink composition onto a substrate in an ambient
Specification