Poly(2,5-dimethoxyaniline-co-2,5-diaminobenzenesulfonic acid) with cross-linking structure for platinum deposits in methanol oxidation

Tang Kuei Chang, Ten Chin Wen

研究成果: Article同行評審

14 引文 斯高帕斯(Scopus)

摘要

Cross-linking structural copolymer, poly(2,5-dimethoxyaniline-co-2,5-diaminobenzenesulphonic acid) was synthesized by electrochemical deposition of two monomer, 2,5-dimethoxyaniline, DMA and 2,5-diaminobenzenesulfonic acid, DABSA. The cross-linking structure of copolymer was characterized by scanning electron microscopy, X-ray photoelectron spectroscopy and thermogravimetric techniques. Copolymer with cross-linking structure provides more and deeper nucleation sites for the deposition of platinum (Pt) than homopolymer via electrochemical method, being certified by secondary ion mass spectrometer. Meanwhile, the existence of the SO3H group in copolymer might also help the electrodeposition of Pt. Copolymer-Pt nanocomposite film demonstrates better activity and stability toward methanol oxidation than homopolymer-Pt.

原文English
頁(從 - 到)364-368
頁數5
期刊Synthetic Metals
158
發行號8-9
DOIs
出版狀態Published - 2008 6月

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學
  • 材料力學
  • 機械工業
  • 金屬和合金
  • 材料化學

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