期刊
POLYMERS
卷 13, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/polym13060918
关键词
platinum nanoparticles; Pt nano-ink; aerosol jet printing; resistivity; polymer substrate
资金
- Russian Science Foundation [19-79-00375]
- Ministry of Science and Higher Education of the Russian Federation [075-03-2021-095, 0714-2021-0007]
- Russian Foundation for Basic Research [20-31-70001]
- Russian Science Foundation [19-79-00375] Funding Source: Russian Science Foundation
Research on generating conductive microstructures for electronics using platinum nanoparticles, synthesizing chemically pure Pt nanoparticles with sizes of 18.2 +/- 9.0 nm by spark discharge method, using ethylene glycol with water as solvent, polyvinylpyrrolidone as adhesive additive and binder, printing narrow and conductive Pt lines on different types of substrates, and demonstrating excellent mechanical flexibility in Pt films on polymer substrates.
Printing nano-ink with platinum nanoparticles to generate conductive microstructures for electronics on different types of substrates has gained increasing interest in recent years. To solve the problem of the low conductivity of platinum (Pt) nano-ink, we synthesized chemically pure Pt nanoparticles with sizes of 18.2 +/- 9.0 nm by spark discharge method. A low toxic solvent, ethylene glycol with water, was used to ensure the aggregation stability of Pt nanoparticles. Polyvinylpyrrolidone was used as an adhesive additive and binder in the nano-ink. Narrow and conductive Pt lines were generated by aerosol jet printing technology. The resistivity of the Pt lines sintered at 750 degrees C on alumina substrate was found to exceed the bulk Pt by about 13%. Moreover, the Pt film fabricated on polymer substrates has demonstrated excellent mechanical flexibility in terms of twisting tests.
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