期刊
APL Materials
卷 3, 期 1, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4900888
关键词
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资金
- European Union through projects PHOCS [ENERGY 2012-10.2.1]
- Future Emerging Technologies Collaborative Project [309223]
- OLIMPIANational Grants Telethon Italy [GGP12033, GGP14022]
- Fondazione Cariplo [2013-0738]
Recently, water-gated organic field-effect transistors (WGOFET) have been intensively studied for their application in the biological field. Surprisingly, a very limited number of conjugated polymers have been reported so far. Here, we systematically explore a series of polythiophene derivatives, presenting different alkyl side chains lengths and orientation, and characterized by various morphologies: comparative evaluation of their performances allows highlighting the critical role played by alkyl side chains, which significantly affects the polymer/water interface capacitance. Reported results provide useful guidelines towards further development of WGOFETs and represent a step forward in the understanding of the polymer/water interface phenomena. C 2014 Author(s).
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