Production of platinum nanoparticles using a few ten keV electron beams and application to catalytic reactions

Hakoda, Teruyuki; Isozumi, Yukihiro*; Yamamoto, Shunya; Aritani, Hirofumi*; Yoshikawa, Masahito

In the present study, the reduction of PtCl $_{4}$ $^{2-}$ ions and subsequent formation of Pt particles were examined for a few tens keV EB irradiation of PtCl $_{4}$ $^{2-}$ ion solution in the presence of 5-20wt% ethanol as an OH radical scavenger. As a result, the reduction of PtCl $_{4}$ $^{2-}$ ions proceeded in whole solution by irradiating only the topmost surface layer of the solution, and these Pt particles with sizes of 2-5 nm would be produced as a primary particle through reduction of PtCl $_{4}$ $^{2-}$ ions. Moreover, these Pt particles was observed to have hydrogen dissociation activity and oxidation activity.

Language	:	Japanese
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Meeting title	:	第14回放射線プロセスシンポジウム
Held date	:	2012/06
Location (city)	:	東京
Location (country)	:	日本
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Keywords	:	no keyword
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Cooperating Institute	:	埼玉工業大学

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Registration No. : BB20120544
JAEA Abstracts No. :
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