High-yield synthesis of monodisperse polyhedral gold nanoparticles with controllable size and their surface-enhanced - Raman scattering activity

被引:20
作者
Kwon, Kihyun
Lee, Kang Yeol
Kim, Minjung
Lee, Young Wook
Heo, Jinhwa
Ahn, Sang Jung
Han, Sang Woo [1 ]
机构
[1] Gyeongsang Natl Univ, Res Inst Nat Sci, Dept Chem, Jinju 660701, South Korea
[2] Gyeongsang Natl Univ, Environm Biotechnol Natl Core Res Ctr, Jinju 660701, South Korea
[3] Korea Res Inst Standards & Sci, Adv Ind Technol Grp, Taejon 305340, South Korea
关键词
D O I
10.1016/j.cplett.2006.10.058
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
`The aqueous-phase synthesis of polyhedral gold nanoparticles with remarkably narrow size distribution is reported. By using a seeding growth approach, icosahedral gold particles with controllable size can be synthesized in high-yield. Citrate-capped 3.5 nm gold nanoparticles, prepared by the reduction of HAuCl4 with sodium borohydride, are used as seeds. The synthesized gold nanoparticles were characterized by transmission electron microscopy, scanning electron microscopy, and X-ray diffraction. The prepared gold nanoparticles show efficient surface-enhanced Raman scattering activities. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:209 / 212
页数:4
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