Citation: CAO You-Ming, WANG Zhi-Yong, SHI Zu-Jin, GU Zhen-Nan. Preparation and Catalytic Properties of SWNTs-Supported Pd Catalyst[J]. Acta Physico-Chimica Sinica, ;2009, 25(05): 825-828. doi: 10.3866/PKU.WHXB20090514
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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 ℃.
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Keywords:
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Single-walled carbon nanotubes
, - Support,
- Pd,
- Catalytic property
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