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A SERIES OF MONODISPERSE SILVER NANOPARTICLES BY A ONE-POT SYNTHESIS
LUPING TANG,Huichao Zhang,Yiping Cui,Jiayu Zhang,YONGHONG YE,SHENFEI ZONG 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2014 NANO Vol.9 No.1
A series of monodisperse Ag nanoparticles (Ag NPs), whose size can be tuned between 2 nm and34 nm, have been successfully synthesized in one pot by controlling the growth time. The stan-dard deviation of the small-size Ag NPs is 12% while that of the large-size ones is 15%. During thesynthesis process, sodium borohydride and sodium dodecyl sulfate were used as reducing agentand surfactant, respectively, and the e®ect of the synthesis parameters on the size-tuning rangeand the size distribution of Ag NPs was studied to get the optimum growth condition. Moreover,surface enhanced Raman scattering (SERS) spectra were analyzed to explore the synthesismechanism of Ag NPs