2016 Fiscal Year Annual Research Report
Photoinduced Dedoping of Conducting Polymers: Patterning and Device Application
Project/Area Number |
15K17927
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Research Institution | National Institute of Advanced Industrial Science and Technology |
Principal Investigator |
衛 慶碩 国立研究開発法人産業技術総合研究所, ナノ材料研究部門, 研究員 (30709564)
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Project Period (FY) |
2015-04-01 – 2017-03-31
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Keywords | Conducting Polymer / Photobase / Doping / Thermoelectric |
Outline of Annual Research Achievements |
Exploring the various applications of conjugated polymers requires the systematic studies of their physical properties as a function of doping density, which consequently calls for the precise control of their doping density. In this project, we have developed a novel solid-state photoinduced charge-transfer reaction. With this approach, the carrier density inside conjugated polymer films can be precisely controlled over more than three orders by controlling the UV-irradiation time. The carrier density, carrier mobility, and Seebeck coefficient at different doping levels could be extracted from a single device exposed to different durations of UV irradiation. This approach is also useful for developing applications requiring patterned, large-area conducting polymers.
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