Preparation of SWNTs/Pt Composites Using SWNTs as Reducing Agent and Their Catalytic Properties

Chem. J. Chinese Universities ›› 2009, Vol. 30 ›› Issue (4): 741.doi:

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Preparation of SWNTs/Pt Composites Using SWNTs as Reducing Agent and Their Catalytic Properties

CAO You-Ming^1,2, WANG Zhi-Yong¹, NIU Fang³, SONG Wei-Guo³, SHI Zu-Jin^1*, GU Zhen-Nan¹

1. Beijing National Laboratory for Molecular Sciences, State Key Lab of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China;
2. College of Chemistry and Environment Engineering, Chongqing University of Arts and Sciences, Yongchuan 402168, China;
3. Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China

Received:2008-12-02 Online:2009-04-10 Published:2009-04-10
Contact: SHI Zu-Jin, E-mail:zjshi@pku.edu.cn

Abstract

Abstract:

SWNTs/Pt composites for catalysis were prepared through redox reaction between SWNTs and K₂PtCl₆. Characterization of the composites by TEM, XPS and TG techniques revealed that large quantities of Pt particles with diameters of ~1.5 nm distribute evenly on the SWNTs. The influences of concentration of K₂PtCl₆ solution and solvents of SWNTs on the quantity and size of Pt particles were investigated. SWNTs/Pt composites containing 24.76%(mass fraction) Pt were obtained using high purity SWNTs and K₂PtCl₆ solution of 10 mmol/L. The SWNTs/Pt composites exhibit high catalytic activity for hydrogenation of cyclohexene. The conversion rate from cyclohexene to cyclohexane is up to 100% at room temperature.

Key words: Single-wall carbon nanotube, Composite, Pt, Catalytic property

CLC Number:

O643
O613.71

TrendMD:

CAO You-Ming, WANG Zhi-Yong, NIU Fang, SONG Wei-Guo, SHI Zu-Jin*, GU Zhen-Nan . Preparation of SWNTs/Pt Composites Using SWNTs as Reducing Agent and Their Catalytic Properties[J]. Chem. J. Chinese Universities, 2009, 30(4): 741.

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Preparation of SWNTs/Pt Composites Using SWNTs as Reducing Agent and Their Catalytic Properties

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