Electrical Properties of Semiconductor/Conductor Composites: Polypyrrole-Coated Tungsten Microparticles DOI Open Access
Jaroslav Stejskal, Marek Jurča, Miroslava Trchová

et al.

Journal of Composites Science, Journal Year: 2025, Volume and Issue: 9(3), P. 98 - 98

Published: Feb. 22, 2025

Tungsten microparticles were coated with globular or nanotubular polypyrrole in situ during the oxidation of pyrrole aqueous medium ammonium peroxydisulfate iron(III) chloride, respectively. The resulting core–shell composites various contents tungsten obtained as powders composed metal particles embedded a semiconducting polymer matrix. coating was analysed by FTIR and Raman spectroscopies. resistivity composite determined four-point van der Pauw method function pressure applied up to 10 MPa. degree compression also recorded its relation electrical properties is discussed on basis percolation concept. are afforded matrix they independent content. As conducting separated shells, cannot produce pathways behave similarly nonconducting filler.

Language: Английский

Electrical Properties of Semiconductor/Conductor Composites: Polypyrrole-Coated Tungsten Microparticles DOI Open Access
Jaroslav Stejskal, Marek Jurča, Miroslava Trchová

et al.

Journal of Composites Science, Journal Year: 2025, Volume and Issue: 9(3), P. 98 - 98

Published: Feb. 22, 2025

Tungsten microparticles were coated with globular or nanotubular polypyrrole in situ during the oxidation of pyrrole aqueous medium ammonium peroxydisulfate iron(III) chloride, respectively. The resulting core–shell composites various contents tungsten obtained as powders composed metal particles embedded a semiconducting polymer matrix. coating was analysed by FTIR and Raman spectroscopies. resistivity composite determined four-point van der Pauw method function pressure applied up to 10 MPa. degree compression also recorded its relation electrical properties is discussed on basis percolation concept. are afforded matrix they independent content. As conducting separated shells, cannot produce pathways behave similarly nonconducting filler.

Language: Английский

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