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Strategic design of gold nanocatalysts for effective photocatalytic organic transformation

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Title
Strategic design of gold nanocatalysts for effective photocatalytic organic transformation
Author(s)
Kim, Jongchan; Lee, Jeonghyeon; Choi, Hyunwoo; Ha, Juhee; Cheon, Minsoo; Seo, Youngran; Kim, Youngsoo; Dongwon Yoo
Publication Date
2023-10
Journal
Nanoscale, v.15, no.39, pp.15873 - 15955
Publisher
Royal Society of Chemistry
Abstract
We demonstrate the design strategy of free-standing Au nanocatalysts by correlating their physicochemical characteristics with photocatalytic performance. By tailoring the particle size and surface characteristics, we found that small Au nanocatalysts called Au nanoclusters with discrete energy levels are more effective than large metallic Au nanoparticles, while the microenvironments (e.g., charge status and hydrophilicity/hydrophobicity) around the surface of Au-nanoclusters are crucial in determining the performance. With the optimized Au nanocatalyst, under visible light, decarboxylative radical addition reactions for C-C bond formation (i.e., Giese reaction) were first achieved with high yields and further utilized for the preparation of one of the bioactive γ-aminobutyric acid derivatives, pregabalin (Lyrica®), demonstrating its potential in pharmaceutical applications. © 2023 The Royal Society of Chemistry
URI
https://pr.ibs.re.kr/handle/8788114/14417
DOI
10.1039/d3nr02755d
ISSN
2040-3364
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > 1. Journal Papers (저널논문)
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