Electrochemistry
Online ISSN : 2186-2451
Print ISSN : 1344-3542
ISSN-L : 1344-3542
Communications
Electrocatalytic Activity of Platinum Nanoparticles Synthesized by Room-Temperature Ionic Liquid-Sputtering Method
Tetsuya TSUDATakasuke KURIHARAYasunori HOSHINOTomonori KIYAMAKen-ichi OKAZAKITsukasa TORIMOTOSusumu KUWABATA
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JOURNALS OPEN ACCESS

2009 Volume 77 Issue 8 Pages 693-695

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Abstract

Platinum (Pt) nanoparticles were synthesized with room-temperature ionic liquid (RTIL)-sputtering method under dry N2 or Ar atmosphere. The resulting Pt nanoparticles were well-dispersed in trimethyl-n-propylammonium bis((trifluoromethyl)sulfonyl)amide RTIL without any additive like dispersant. Electrocatalytic activity of the Pt nanoparticles embedded on a glassy carbon electrode (GCE) toward oxygen reduction reaction was examined. It was then found that the catalytic activity increases with increment of heat temperature for embedding the Pt nanoparticles onto GCE if the nanoparticles are synthesized under Ar atmosphere.

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© 2009 The Electrochemical Society of Japan
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