期刊
POLYMER CHEMISTRY
卷 4, 期 20, 页码 5270-5274出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2py21020g
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资金
- Oak Ridge National Laboratory by the Division of Scientific User Facilities, U.S. Department of Energy
Synthesis of a non-ionic, water-soluble poly(thiophene) (PT) derivative, poly(3-(2-(2-(2-methoxyethoxy)ethoxy) ethoxy) methylthiophene) (P3TEGT) with a hydrophilic tri-ethylene glycol side group, is reported and thin films of the polymer suitable for organic field-effect transistors (OFETs) are characterized by combining analysis techniques that include UV-Vis absorption and fluorescence spectroscopy, X-ray diffraction, and atomic force microscopy. After thermal annealing, P3TEGT films exhibit a well-organized nanofibrillar lamellar nanostructure that originates from the strong pi-pi stacking of the thiophene backbones. P-type organic field-effect transistors (OFETs) with hole mobilities of 10(-5) cm(2) V-1 s(-1) were fabricated from this water-soluble poly(thiophene) derivative, demonstrating the possibility that environmentally friendly solvents may be promising alternatives for the low-cost, green solvent processed organic electronic device manufacturing of OFETs, organic photovoltaics (OPVs), and biosensors.
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