Cyanothiophene-based low band-gap polymer for organic solar cells

Cyanothiophene-based low band-gap polymer for organic solar cells

We report the preparation of a new acceptor unit, 3-alkoxy-4-cyanothiophene, and a 3-alkoxy-4-cyanothiophene-based low band-gap polymer (PBDT-CT) with a deep HOMO energy level (-5.5 eV). A bulk heterojunction solar cell containing PBDT-CT and PC sub(61)BM was found to exhibit a high open circuit vol...

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Veröffentlicht in:RSC advances 2013-01, Vol.3 (19), p.6799-6802
Hauptverfasser: Clement, J. Arul, Kim, Heung Gyu, Sim, Myungsun, Kang, Boseok, Cho, Kilwon
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Sprache:eng
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Energy levels
Heterojunctions
Open circuit voltage
Photovoltaic cells
Solar cells
Volatile organic compounds
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container_end_page 6802
container_issue 19
container_start_page 6799
container_title RSC advances
container_volume 3
creator Clement, J. Arul
Kim, Heung Gyu
Sim, Myungsun
Kang, Boseok
Cho, Kilwon
description We report the preparation of a new acceptor unit, 3-alkoxy-4-cyanothiophene, and a 3-alkoxy-4-cyanothiophene-based low band-gap polymer (PBDT-CT) with a deep HOMO energy level (-5.5 eV). A bulk heterojunction solar cell containing PBDT-CT and PC sub(61)BM was found to exhibit a high open circuit voltage (V sub(oc)) of 0.90 V and an efficiency of 3.36%.
doi_str_mv 10.1039/c3ra40258d
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source Royal Society Of Chemistry Journals
subjects Energy levels
Heterojunctions
Open circuit voltage
Photovoltaic cells
Solar cells
Volatile organic compounds
title Cyanothiophene-based low band-gap polymer for organic solar cells
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