Block Copolymer Supported Gold Nanoparticles Assemblies with Exposed Gold Surface  

作　　者：ZONG Chen LIU Guangnan XU Wenhao CHEN Jie TANG Yun 

机构地区：[1]Department of Chemistry,Laboratory of Advanced Materials,Shanghai Key Laboratory of Molecular Catalysis,Collaborative Innovation Center of Chemistry for Energy Materials,Fudan University,Shanghai,200438,P.R.China

出　　处：《Chemical Research in Chinese Universities》2022年第4期1118-1122,共5页高等学校化学研究（英文版）

基　　金：supported by the National Key Research and Development Program of China(Nos.2017YFA0207303,2018YFA0209401);the National Natural Science Foundation of China(Nos.22088101,22175039).

摘　　要：Polymer-involved nanoparticles or nanoparticle assemblies are now facing a crossroad,where the exposure of nanoparticle and multiple nanoparticles cannot be obtained at the same time.Therefore,a new series of nanoparticle clusters is synthesized,where multiple gold nanoparticles assemble with amphiphilic block copolymers supporting inside.The exposure of gold nanoparticles of the structure is confirmed and increases the reduction rate of 4-nitrophenol by 60%.The assemblies can also be used as surface enhanced Raman scattering(SERS)probes with an enhancement factor(EF)as high as 3×10^(3).

关 键 词：Gold nanoparticle Block copolymer co-Assembly 

分 类 号：O63[理学—高分子化学] TB383[理学—化学]