Compositional effect of two-dimensional monodisperse AuPd bimetallic nanoparticle arrays fabricated by block copolymer nanopatterning on catalytic activity of CO oxidation

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Title
Compositional effect of two-dimensional monodisperse AuPd bimetallic nanoparticle arrays fabricated by block copolymer nanopatterning on catalytic activity of CO oxidation
Author(s)
Sun Mi Kim; Jeong Ho Mun; Si Woo Lee; Hyesung An; Hyun You Kim; Sang Ouk Kim; Jeong Young Park
Publication Date
2018-12
Journal
CHEMICAL COMMUNICATIONS, v.54, no.97, pp.13734 - 13737
Publisher
ROYAL SOC CHEMISTRY
Abstract
We present a straightforward approach for fabricating AuPd nanocatalysts based on self-assembled block copolymer nanopatterning. CO oxidation was carried out on AuPd alloy nanoparticles and the activity increased with increasing Pd content; this synergistic activity can be precisely tuned by varying the chemical composition. Theoretical calculations suggest that Pd clusters are required to bind and dissociate O2 for oxidation of coadsorbed CO molecules. Our results suggest that the geometric configuration of the Pd atoms on the surface are a key factor in the catalytic activity. © 2018 The Royal Society of Chemistry
URI
https://pr.ibs.re.kr/handle/8788114/5321
ISSN
1359-7345
Appears in Collections:
Center for Nanomaterials and Chemical Reactions(나노물질 및 화학반응 연구단) > Journal Papers (저널논문)
Files in This Item:
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