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Synthesis of Cu2O/Ag Composite with Visible Light Photocatalytic Degradation Activity for in situ SERS Analysis
Yi-ping Wu*,Bian-bian Wu,Xiang-hu Tang*
Author NameAffiliationE-mail
Yi-ping Wu* Department of Chemical and Materials Engineering, Hefei University, Hefei 236061, China wuyp@hfuu.edu.cn 
Bian-bian Wu Department of Chemical and Materials Engineering, Hefei University, Hefei 236061, China  
Xiang-hu Tang* Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei 230031, China tangxh2011@iim.cas.cn 
Abstract:
A multifunctional Cu2O/Ag micro-nanocomposite, which has the characteristics of high catalytic activities under the visible light and high surface-enhanced Raman scattering (SERS) activity, was fabricated via a facile method and employed for the in situ SERS monitoring of the photocatalytic degradation reaction of crystal violet. Through the variation of the AgNO3 concentration, Ag content on the Cu2O template can be controllably tuned, which has great influence on the SERS effect. The results indicate that Ag nanoparticles form on the Cu2O nanoframes to obtain the Cu2O/Ag nanocomposite, which can act as an excellent bifunctional platform for in situ monitoring of photocatalytic degradation of organic pollutions by SERS.
Key words:  Cuprous oxide  Silver nanoparticle  Surface-enhanced Raman scattering  Photo-catalytic degradation  In situ detection
FundProject:This work was supported by the Key Projects of Natural Science Research of Universities in Anhui Province (No.KJ2015A183, No.KJ2015A201) and Talents Foundation of Hefei University (No.15RC05), Anhui Province Natural Science Foundation (No.1608085MD78), the Key Projects of Anhui Province University Outstanding Youth Talent Support Program (gxyqZD2016274), the National Natural Science Foundation of China (No.21305142, No.51403048)
Cu2O/Ag复合物的合成及SERS原位分析其可见光催化降解活性
吴义平*,吴边边,唐祥虎*
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DOI：10.1063/1674-0068/30/cjcp1612233
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