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나노물질 및 화학반응 연구단
나노물질 및 화학반응 연구단
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Polyoxometalate-mediated one-pot synthesis of pd nanocrystals with controlled morphologies for efficient chemical and electrochemical catalysis

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Title
Polyoxometalate-mediated one-pot synthesis of pd nanocrystals with controlled morphologies for efficient chemical and electrochemical catalysis
Author(s)
Kim D.; Seog J.H.; Minjune Kim; Yang M.; Gillette E.; Lee S.B.; Sang Woo Han
Publication Date
2015-03
Journal
CHEMISTRY-A EUROPEAN JOURNAL, v.21, no.14, pp.5387 - 5394
Publisher
WILEY-V C H VERLAG GMBH
Abstract
Polyoxometalates (POMs), as inorganic ligands, can endow metal nanocrystals (NCs) with unique reactivities on account of their characteristic redox properties. In the present work, we present a facile POM-mediated one-pot aqueous synthesis method for the production of single-crystalline Pd NCs with controlled shapes and sizes. The POMs could function as both reducing and stabilizing agents in the formation of NCs, and thus gave a fine control over the nucleation and growth kinetics of NCs. The prepared POM-stabilized Pd NCs exhibited excellent catalytic activity and stability for electrocatalytic (formic acid oxidation) and catalytic (Suzuki coupling) reactions compared to Pd NCs prepared without the POMs. This shows that the POMs play a pivotal role in determining the catalytic performance, as well as the growth, of NCs. We envision that the present approach can offer a convenient way to develop efficient NC-based catalyst systems. Single-crystalline Pd nanocrystals with controlled shapes and sizes were synthesized by a polyoxometalate-mediated one-pot aqueous synthesis method. The prepared Pd nanocrystals exhibited enhanced catalytic properties toward electrochemical and chemical reactions (see figure). © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
URI
https://pr.ibs.re.kr/handle/8788114/2089
ISSN
0947-6539
Appears in Collections:
Center for Nanomaterials and Chemical Reactions(나노물질 및 화학반응 연구단) > Journal Papers (저널논문)
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