Title: Influences of the Non-Covalent Interaction Strength on Reaching High Solid-State Order and Device Performance of a Low Bandgap Polymer with Axisymmetrical Structural Units
Authors: Jheng, Jyun-Fong
Lai, Yu-Ying
Wu, Jhong-Sian
Chao, Yi-Hsiang
Wang, Chien-Lung
Hsu, Chain-Shu
應用化學系
Department of Applied Chemistry
Keywords: conjugated polymers;bulk-heterojunction organic photovoltaics;polymer field-effect transistors;organic electronics;self-assembly
Issue Date: 7-May-2013
Abstract: A high organic field-effect transistor mobility (0.29 cm(2)V(-1)s(-1)) and bulk-heterojunction polymer solar cell performance (PCE of 6.82%) have been achieved in a low bandgap alternating copolymer consisting of axisymmetrical structural units, 5,6-difluorobenzo-2,1,3-thiadiazole. Introducing the fluorine substituents enhanced intermolecular interaction and improved the solid-state order, which consequently resulted in the highest device performances among the 2,1,3-thiadiazole-quarterthiophene based alternating copolymers.
URI: http://dx.doi.org/10.1002/adma.201300098
http://hdl.handle.net/11536/21882
ISSN: 0935-9648
DOI: 10.1002/adma.201300098
Journal: ADVANCED MATERIALS
Volume: 25
Issue: 17
Begin Page: 2445
End Page: 2451
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