Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 5, Issue 24, Pages 12811-12819Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am404183v
Keywords
PEDOT:PSS nanofilm; working electrode; polythiophene; bilayered nanofilms; thermoelectric performance
Funding
- National Natural Science Foundation of China [51203070, 51073074]
- Jiangxi Provincial Department of Education [GJJ12595, GJJ11590, GJJ13565]
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A pure organic PEDOT:PSS nanofilm was used as a working electrode for the first time to electrodeposit polymer films of polythiophene (PTh) and its derivatives in a boron trifluoride diethyl ether (BFEE) solution, fabricating a novel generation of bilayered nanofilms. Cyclic voltammetry (CV) demonstrated good electrochemical stability of the as-formed films. Structures and surface morphologies were systematically investigated by the characterizations of cross-section SEM, FT-IR, UV-vis, SEM, and AFM. The resulting films revealed stable and enhanced thermoelectric (TE) performances. The electrical conductivity values of PEDOT:PSS/PTh, PEDOT:PSS/P3MeT, and PEDOT:PSS/P3HT nanofilms were determined to be 123.9, 136.5, and 200.5 S cm(-1), respectively. The power factor reached up to be a maximum value of 5.79 mu W m(-1) k(-2). Thus, this technique offers a facile approach to a class of bilayered nanofilms, and it may provide a general strategy for fabricating a new generation of conducting polymers for more practical applications.
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