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

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

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 1-20wt% 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 primary particles through reduction of PtCl $_{4}$ $^{2-}$ ions. Moreover, these Pt particles were observed to have hydrogen dissociation activity and oxidation activity.

Language	:	Japanese
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Meeting title	:	第7回高崎量子応用研究シンポジウム
Held date	:	2012/10
Location (city)	:	高崎
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. : BB20122207
JAEA Abstracts No. :
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