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Issue 37, 2013
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Narrow-optical-gap π-conjugated small molecules based on terminal isoindigo and thienoisoindigo acceptor units for photovoltaic application

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Abstract

Two acceptor–donor type conjugated small molecules based on isoindigo and thienoisoindigo acceptor units are synthesized. The small molecules showed broad and low-energy light absorption properties. On application of the small molecules in organic photovoltaic cells, thienoisoindigo-based small molecule in combination with PC71BM showed moderate photovoltaic efficiency with a PCE of 1.51% with an open-circuit voltage of 0.72 V under AM 1.5 solar irradiation.

Graphical abstract: Narrow-optical-gap π-conjugated small molecules based on terminal isoindigo and thienoisoindigo acceptor units for photovoltaic application

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Publication details

The article was received on 16 May 2013, accepted on 15 Jul 2013 and first published on 17 Jul 2013


Article type: Communication
DOI: 10.1039/C3RA42444H
Citation: RSC Adv., 2013,3, 16259-16263
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    Narrow-optical-gap π-conjugated small molecules based on terminal isoindigo and thienoisoindigo acceptor units for photovoltaic application

    M. Karakawa and Y. Aso, RSC Adv., 2013, 3, 16259
    DOI: 10.1039/C3RA42444H

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