Environmental effects on temperature-dependent carrier transports in poly(3-hexylthiophene) films

Yow Jon Lin, Yi Min Chin, Hsing Cheng Chang

研究成果: Article

1 引文 斯高帕斯(Scopus)

摘要

Applications of poly(3-hexylthiophene) (P3HT) to solar cells have been reported. The reliability of organic solar cells is a key factor of full-scale applications in commercial optoelectronics. In this study, the environmental effect on the carrier transport in P3HT is researched. Charge-trapping phenomena are studied through time-domain measurement for P3HT thin-film transistors. The time-domain data confirm the hole-trapping model, indicating that water vapor influences the response by producing additional hole traps that serve to increase the current time constant. To understand the P3HT degradation mechanisms, an analysis through the temperature-dependent transfer characteristics is presented. It is shown that the hopping conduction behavior can be affected by exposure to ambient humidity and ambient atmosphere, inducing fluctuations in the hopping distance and the barrier height for hopping that serve to influence the carrier mobility.

原文English
頁(從 - 到)365-369
頁數5
期刊Applied Physics A: Materials Science and Processing
119
發行號1
DOIs
出版狀態Published - 2015 一月 1

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)

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