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Tuning the Accessibility and Activity of Au-25(SR)(18) Nanocluster Catalysts through Ligand Engineering
Li, Jingguo1; Nasaruddin, Ricca Rahman1; Feng, Yan1,2; Yang, Jun2; Yan, Ning1; Xie, Jianping1
2016-10-01
发表期刊CHEMISTRY-A EUROPEAN JOURNAL
ISSN0947-6539
卷号22期号:42页码:14816-14820
摘要

In this work, the effects of thiolate ligands (-SR, e.g., chain length and functional moiety) on the accessibility and catalytic activity of thiolate-protected gold nanoclusters (e.g., Au-25(SR)(18)) for 4-nitrophenol hydrogenation is reported. The data suggest that Au-25(SR)(18) bearing a shorter alkyl chain shows a better accessibility to the substrates (shown by shorter induction time, t(0)) and a higher catalytic activity (shown by higher apparent reaction rate constant, k(app)). The functional moiety of the ligands is another determinant factor, which clearly suggests that ligand engineering of Au-25(SR)(18) would be an efficient platform for fine-tuning its catalytic properties.

关键词Cluster Catalyst Gold Nanoclusters Ligand Engineering Nanocatalysis Noble Metal Nanoclusters
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1002/chem.201603247
收录类别SCI
语种英语
关键词[WOS]PROTECTED METAL NANOCLUSTERS ; THIOLATED AU-25 NANOCLUSTERS ; GOLD NANOCLUSTERS ; CHEMOSELECTIVE HYDROGENATION ; SELECTIVE OXIDATION ; OPTICAL-PROPERTIES ; PHOSPHINE-LIGANDS ; SURFACE LIGANDS ; LOW-TEMPERATURE ; CLUSTERS
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
项目资助者Ministry of Education, Singapore(R-279-000-481-112) ; Ministry of Education, Malaysia ; International Islamic University Malaysia
WOS记录号WOS:000384806700038
引用统计
被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21613
专题多相复杂系统国家重点实验室
作者单位1.Natl Univ Singapore, Dept Chem & Biomol Engn, 4 Engn Dr 4, Singapore 117585, Singapore
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
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GB/T 7714
Li, Jingguo,Nasaruddin, Ricca Rahman,Feng, Yan,et al. Tuning the Accessibility and Activity of Au-25(SR)(18) Nanocluster Catalysts through Ligand Engineering[J]. CHEMISTRY-A EUROPEAN JOURNAL,2016,22(42):14816-14820.
APA Li, Jingguo,Nasaruddin, Ricca Rahman,Feng, Yan,Yang, Jun,Yan, Ning,&Xie, Jianping.(2016).Tuning the Accessibility and Activity of Au-25(SR)(18) Nanocluster Catalysts through Ligand Engineering.CHEMISTRY-A EUROPEAN JOURNAL,22(42),14816-14820.
MLA Li, Jingguo,et al."Tuning the Accessibility and Activity of Au-25(SR)(18) Nanocluster Catalysts through Ligand Engineering".CHEMISTRY-A EUROPEAN JOURNAL 22.42(2016):14816-14820.
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