Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 367, Issue -, Pages 199-203Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2011.10.040
Keywords
Electrospun carbon nanofiber; Nanocomposites; Electrocatalytic activity; Methanol oxidation
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Funding
- National Nature Science Foundation of China [20875085]
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Pt/carbon nanofiber (Pt/CNF) nanocomposites were facilely synthesized by the reduction of hexachloroplatinic acid (H2PtCl6) using formic acid (HCOOH) in aqueous solution containing electrospun carbon nanofibers at room temperature. The obtained Pt/CNF nanocomposites were characterized by TEM and EDX. The Pt nanoparticles could in situ grow on the surface of CNFs with small particle size, high loading density, and uniform dispersion by adjusting the concentration of H2PtCl6 precursor. The electrocatalytic activities of the Pt/CNF nanocomposites were also studied. These Pt/CNF nanocomposites exhibited higher electrocatalytic activity toward methanol oxidation reaction compared with commercial E-TEK Pt/C catalyst. The results presented may offer a new approach to facilely synthesize direct methanol fuel cells (DMFCs) catalyst with enhanced electrocatalytic activity and low cost. (C) 2011 Elsevier Inc. All rights reserved.
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