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Preparation of gold nanostars and their study in selective catalytic reactions

  • In this work, gold nanostars (AuNSs) with size around 90 nm were prepared through an easy one-step method. They show excellent catalytic activity and large surface-enhanced Raman scattering (SERS) activity at the same time. Surprisingly, they exhibited different catalytic performance on the reduction of aromatic nitro compounds with different substituents on the para position. To understand such a difference, the SERS spectra were recorded, showing that the molecular orientation of reactants on the gold surface were different. We anticipate that this research will help to understand the relationship of the molecular orientation with the catalytic activity of gold nanoparticles.

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Author details:Qianling Cui, Bihua Xia, Steffen MitzscherlingGND, Admir Masic, Lidong Li, Matias BargheerORCiDGND, Helmuth Moehwald
DOI:https://doi.org/10.1016/j.colsurfa.2014.10.028
ISSN:0927-7757
ISSN:1873-4359
Title of parent work (English):Colloids and surfaces : an international journal devoted to the principles and applications of colloid and interface science ; A, Physicochemical and engineering aspects
Publisher:Elsevier
Place of publishing:Amsterdam
Publication type:Article
Language:English
Year of first publication:2015
Publication year:2015
Release date:2017/03/27
Tag:Catalytic reaction; Gold; Molecular orientation; Nanoparticles; Surface enhanced Raman scattering (SERS)
Volume:465
Number of pages:6
First page:20
Last Page:25
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Chemie
Peer review:Referiert
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