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Synthesis of π-extended low bandgap polymer based on isoindigo and thienyl-vinylene for high-performance polymer solar cells

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Authors
Bae, Seunghwan; Park, Heung-su; Jung, Jae Woong; Lee, Jea Uk; Kim, Kyung Tae; Jo, Won Ho
Issue Date
2013-09-10
Publisher
American Chemical Society
Citation
246th ACS National Meeting and Exposition 2013, p. 1
Keywords
공학
Description
246th ACS National Meeting and Exposition
September 8-12, 2013, Indianapolis, Indiana
Abstract
We have synthesized PSSA-g-PANIs which are self-doped conducting copolymer and then prepared the composites with GO. When the transmittances of PSSA-g-PANI and its composites are compared with that of PEDOT:PSS, PSSA-g-PANI and its composite with a small amount of GO (2.5 wt%, 5 wt%) show higher transmittance than PEDOT:PSS in the range of 450 nm to 600 nm, corresponding to the absorption range of P3HT. The electrical conductivities of PSSA-g-PANI and its composite are much larger than that of PEDOT:PSS. The device with the pristine PSSA-g-PANI shows higher PCE than that with PEDOT:PSS mainly due to enhancement of JSC. When the composite with 2.5 wt% GO was used, the device exhibits the maximum PCE of 4.14%, which is 15% larger than the device with PEDOT:PSS.
Language
English
URI
https://hdl.handle.net/10371/83607
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Material Science and Engineering (재료공학부) Others_재료공학부
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