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Current applied physics : the official journal of the Korean Physical Society v.12 no.5, 2012년, pp.1248 - 1251   SCI SCIE
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Preparation and characteristic of platinum catalyst deposited on boron-doped carbon nanotubes

Park, S.J.    (Department of Chemistry, Inha University, 253 Nam-gu, Incheon 402-751, People's Republic of Korea   ); Park, J.M.    (Department of Chemistry, Inha University, 253 Nam-gu, Incheon 402-751, People's Republic of Korea  );
  • 초록

    In this work, boron doped multi-walled carbon nanotubes (BMWNTs) were introduced as a Pt catalyst support due to their unique physicochemical properties. The effect of BMWNTs on methanol oxidation was investigated with different Pt loading contents. The surface and structural properties of the modified MWNT supports were characterized by X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD), respectively. The Pt loading contents in the catalysts were confirmed by inductive coupled plasma-mass spectrometer (ICP-MS) and the morphological structures of the catalysts were analyzed by transmission electron microscopy (TEM). The electrocatalytic activity of Pt/MWNTs was investigated by cyclic voltammetry measurement. As a result, the boron oxide vapor reacted with MWNTS to form BMWNTs, which led to enhancing the properties, such as graphitization and electrochemical behaviors. Moreover, Pt deposited on BMWNTs exhibited better electrocatalytic activity than on MWNTs for methanol oxidation. Consequently, it was found that partial boron doped MWNTs could influence on the properties of the MWNTs, resulting in enhancing the electrocatalytic activity of the catalysts for DMFCs.


  • 주제어

    Boron doping .   Multi-walled carbon nanotubes .   Pt catalysts .   Methanol oxidation .   Electrocatalytic activity.  

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