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Adsorption-induced polymerization of 3-methylthiophene at silver-coated glass surfaces and electroactive characteristics

  • Chien Hsin Yang
  • , Chen Hao Wu
  • , Ying Jie Cai
  • , Chen Yan Li
  • , Yen Wei
  • , Ten Chin Wen
  • , Yeong Tarng Shieh
  • , Tzong Liu Wang
  • , Wen Churng Lin
  • , Wen Janq Chen

Research output: Contribution to journalArticlepeer-review

Abstract

The adsorption-induced polymerization of 3-methylthiophene (3MT) on silver vapor-deposited glass surfaces is investigated using micro Raman scattering and UV-Vis reflection spectroscopy. Both techniques provide the evidence of an adsorption-induced polymerization mechanism of these molecules, indicating that the orientation of 3MT molecules randomly distributes in the bulk poly(3-methylthiophene) film. The kinetics of 3MT adsorption-induced polymerization is also studied using Auger electron spectroscopy. The adsorption-induced polymerization process shows constant adsorption rate (0.15 nm min-1) within adsorption time of 1 h. Moreover, the electroactive characteristics of P3MT are employed to detect uric acid in phosphate buffer solution.

Original languageEnglish
Pages (from-to)185-190
Number of pages6
JournalMaterials Chemistry and Physics
Volume127
Issue number1-2
DOIs
Publication statusPublished - 2011 May 16

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Condensed Matter Physics

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