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单分散水性硫普罗宁包覆金纳米粒子可控制备
引用本文:黄克阳,何声太,刘玉兰,何海勇,王莎莎,霍帅东,梁兴杰. 单分散水性硫普罗宁包覆金纳米粒子可控制备[J]. 中国科学:物理学 力学 天文学, 2011, 0(9): 1036-1040
作者姓名:黄克阳  何声太  刘玉兰  何海勇  王莎莎  霍帅东  梁兴杰
作者单位:[1]天津工业大学材料科学与工程学院,天津300160 [2]国家纳米中心,纳米材料生物医学效应和纳米安全中国科学院重点实验室,北京100190
基金项目:天津市应用基础与前沿技术研究计划(编号:2009JCYBJC27200); 国家重点基础研究发展计划(编号:2009CB930200)资助项目
摘    要:利用紫外-可见光谱(UV-vis)、X衍射(X-ray Diffraction,XRD)和透射电子显微镜(Transmission Electron Microscope,TEM)等研究小尺寸水溶性金纳米粒子的可控制备.在乙酸和甲醇(体积比为1:6)的混合系统中,通过NaBH4对三水氯金酸还原,将硫普罗宁分子包覆到金纳米粒子表面,得到尺寸可控、稳定的硫普罗宁包覆的金纳米粒子水溶胶.通过控制金与硫普罗宁的摩尔比(Au/S比),金纳米粒子的尺寸能够在2~8nm范围内得到有效控制.本文中,当Au/S比分别为1:3,1:1和3:1时,所合成的金纳米粒子的尺寸分别为(2.8±0.3),(4.0±0.3),(6.1±0.4)nm.

关 键 词:硫普罗宁  金纳米粒子  可控制备

Controlled synthesis of well-dispersed Au nanoparticles passivated by tiopronin
HUANG KeYang,HE ShengTai,LIU YuLan,HE HaiYong,WANG ShaSha,HUO ShuaiDong,LIANG XingJie. Controlled synthesis of well-dispersed Au nanoparticles passivated by tiopronin[J]. SCIENCE CHINA Physics, Mechanics & Astronomy, 2011, 0(9): 1036-1040
Authors:HUANG KeYang  HE ShengTai  LIU YuLan  HE HaiYong  WANG ShaSha  HUO ShuaiDong  LIANG XingJie
Affiliation:1 School of Materials Science and Engineering,Tianjin Polytechnic University,Tianjin 300160,China;2 CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety,National Center for Nanoscience and Technology of China,Beijing 100190,China
Abstract:In this paper,a simple method was presented to synthesize well-dispersed Au nanoparticles in acetic acid and methanol mixture solution(volume ratio=1:6).In this study,HAuCl4.3H2O was reduced by NaBH4,and Au particle was caped by tiopronin.The X-ray diffraction(XRD),UV-visible spectra and transmission electron microscope(TEM) results demonstrated that the as-synthesized Au nanoparticles were well-dispersed and very stable.By adjusting the ratio of Au to S(tiopronin),Au particles with different size were prepared.When Au/S was 1:3,1:1 and 3:1,respectively,the size of as-synthesized Au nanoparticle was(2.8±0.3),(4.0±0.3) and(6.1±0.4) nm,respectively.
Keywords:Tiopronin  Au nanoparticles  controlled synthesis
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