物理化学学报 >> 1999, Vol. 15 >> Issue (11): 966-970.doi: 10.3866/PKU.WHXB19991102

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大粒径单分散金纳米粒子的水相合成

朱梓华, , 朱涛, 刘忠范   

  1. 北京大学化学与分子工程学院,纳米科学与技术研究中心,北京 100871
  • 收稿日期:1999-06-29 修回日期:1999-07-26 发布日期:1999-11-15
  • 通讯作者: 朱涛

Prepartion of Gold Sols of Large Size Particles

Zhu Zi-Hua, Zhu, Z. H., Zhu Tao, Liu Zhong-Fan   

  1. Center for Nanoscale Science and Technology(CNST),College of Chemistry Molecular Engineering,Peking University,Beijing 100871
  • Received:1999-06-29 Revised:1999-07-26 Published:1999-11-15
  • Contact: Zhu Tao

关键词: 金纳米粒子, 金溶胶, 单分散

Abstract:

With 50nm gold nanoparticles as seeds, a series of spherical monodispersed gold nanoparticles(size from 60nm to 160nm) were obtained by surface autocatalytic reaction. The gold sols were characterized using transmission electron microscopy(TEM) and UV-Vis spectrometry. The size of nanoparticles can be conveniently predicted by controlling the molar ratios of the total gold species in solution to that in seeding sols. The morphology of resulted gold nanoparticles was found depending on the reagent-adding sequences.

Key words: Gold nanoparticle, Gold sol, Monodispersed