催化学报 ›› 2011, Vol. 32 ›› Issue (5): 827-835.DOI: 10.1016/S1872-2067(10)60194-5

• 研究论文 • 上一篇    下一篇

十六烷基三甲基溴化铵辅助作用下球形、蠕虫状和网状 Pd 纳米粒子的制备与表征

訾学红, 王锐, 刘立成, 戴洪兴, 张桂臻, 何洪   

  1. 北京工业大学环境与能源工程学院化学化工系催化化学与纳米科学研究室, 北京 100124
  • 收稿日期:2010-11-15 修回日期:2011-01-07 出版日期:2011-05-31 发布日期:2014-09-29

Cetyltrimethyl Ammonium Bromide Assisted Preparation and Characterization of Pd Nanoparticles with Spherical, Worm-Like, and Network-Like Morphologies

ZI Xuehong, WANG Rui, LIU Licheng, DAI Hongxing, ZHANG Guizhen, HE Hong*   

  1. Laboratory of Catalysis Chemistry and Nanoscience, Department of Chemistry and Chemical Engineering, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
  • Received:2010-11-15 Revised:2011-01-07 Online:2011-05-31 Published:2014-09-29

摘要: 以十六烷基三甲基溴化铵 (CTAB) 为表面活性剂, NaBH4 为还原剂, 通过调节水相体系中 CTAB 和 NaBH4 浓度, 合成了一系列不同形貌的 Pd 纳米粒子, 合成过程简便易行且环境友好. 结果表明, 随着 CTAB 浓度的增加, Pd 粒子形貌由纳米微球逐渐向纳米线网络形态转变. CTAB 浓度和 NaBH4 浓度是决定 Pd 粒子形貌的两个重要因素.

关键词: 钯纳米粒子, 形貌变化, 表面活性剂, 还原剂

Abstract: With cetyltrimethylammonium bromide (CTAB) as a surfactant, a series of palladium nanoparticles with various morphologies were successfully synthesized by controlling the concentrations of CTAB and NaBH4 in an aqueous solution. The morphology of the Pd NPs evolved from nanospheres as interconnected networks with a rise in the CTAB concentration. The CTAB and NaBH4 concentrations were important factors for the control of the final shape of the Pd nanoparticles.

Key words: palladium nanoparticle, morphological evolution, surfactant, reducing agent