Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 23, Issue -, Pages 13-16Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2012.06.006
Keywords
Mesoporous material; Nickel phosphate; NiPO; VSB-5; Electro-oxidation; Methanol
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Funding
- National Natural Science Foundation of China [20803004, 21176221]
- 973 Project [2011CB201402]
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The electro-oxidation of methanol on mesoporous nickel phosphate NiPO-2, in comparison with that on zeolitic nickel phosphate VSB-5, was investigated by cyclic voltammetry (CV) in alkaline medium. The mesoporous nickel phosphate modified GCE (NiPO-2/GCE) showed relatively high activity and stability. The positive correlation between the scan rates and the anodic currents implied a single diffusion-controlled kinetic process. The CV and SWV currents of NiPO-2/GCE varied with the concentration of methanol. The sensitivity of NiPO-2/GCE reached 1 mu M methanol, showing its potential use in developing sensors for the methanol determination. (C) 2012 Published by Elsevier B.V.
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