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 nanopart...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).展开更多
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).
文摘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).