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Chemical-reaction-induced hot electron flows on platinum colloid nanoparticles under hydrogen oxidation: Impact of nanoparticle size

Cited 38 time in webofscience Cited 41 time in scopus
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Title
Chemical-reaction-induced hot electron flows on platinum colloid nanoparticles under hydrogen oxidation: Impact of nanoparticle size
Author(s)
Hyosun Lee; Ievgen I. Nedrygailov; Changhwan Lee; Gabor A. Somorjai; Jeong Young Park
Subject
catalytic nanodiodes, hot electrons, hydrogen oxidation,nanoparticles,platinum
Publication Date
2015-02
Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.54, no.8, pp.2340 - 2344
Publisher
WILEY-V C H VERLAG GMBH
Abstract
Generation of hot electron flows and the catalytic activity of Pt nanoparticles (NPs) with different sizes were investigated using catalytic nanodiodes. We show that smaller Pt NPs lead to higher chemicurrent yield, which is associated with the shorter travel length for the hot electrons, compared with their inelastic mean free path. We also show the impact of capping on charge carrier transfer between Pt NPs and their support.
URI
https://pr.ibs.re.kr/handle/8788114/2115
DOI
10.1002/anie.201410951
ISSN
1433-7851
Appears in Collections:
Center for Nanomaterials and Chemical Reactions(나노물질 및 화학반응 연구단) > 1. Journal Papers (저널논문)
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