Acta Phys. -Chim. Sin. ›› 2009, Vol. 25 ›› Issue (05): 825-828.doi: 10.3866/PKU.WHXB20090514

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Preparation and Catalytic Properties of SWNTs-Supported Pd Catalyst

 CAO You-Ming, WANG Zhi-Yong, SHI Zu-Jin, GU Zhen-Nan   

  1. State Key Laboratory of Rare Earth Materials Chemistry and Applications, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China; College of Chemistry and Environment Engineering, Chongqing University of Arts and Sciences, Yongchuan 402168, Chongqing, P. R. China
  • Received:2008-12-19 Revised:2009-01-21 Published:2009-05-04
  • Contact: CAO You-Ming SHI Zu-Jin E-mail:zjshi@pku.edu.cn; caoyouming121@163.com

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Abstract:

A Pd catalyst supported by single-walled carbon nanotubes (SWNTs) was prepared by a redox reaction between SWNTs and PdCl2 solution. The supported catalyst was characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and thermo-gravimetric (TG) techniques. Results showed that large quantities of Pd particles with diameters of ca 2 nm distributed evenly on the surface of SWNTs and the content of Pd was 14.13% (w, mass fraction) when using SWNTs and 12 mmol·L-1 PdCl2 as reactants. The supported catalyst, after reduction by H2, exhibited high catalytic activity in Suzuki reaction. The yield of biphenyl was 98.10% after 30 min reaction at 90 ℃.

Key words: Single-walled carbon nanotubes, Support, Pd, Catalytic property