Ebenhoch, B., Prasetya, N. B.A., Rotello, V. M., Cooke, G. and Samuel, I. D.W. (2015) Solution-processed boron subphthalocyanine derivatives as acceptors for organic bulk-heterojunction solar cells. Journal of Materials Chemistry A, 3(14), pp. 7345-7352. (doi: 10.1039/C5TA00715A)
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Publisher's URL: http://dx.doi.org/10.1039/C5TA00715A
Abstract
We report the fabrication of solution-processed bulk heterojunction devices from subphthalocyanine (SubPc) units as the acceptor component and conventional polymeric donor materials such as MEH-PPV, P3HT and PTB7. The high solubility of the SubPc derivatives facilitated the formation of efficient donor/acceptor networks and provided power conversion efficiencies of 0.4% with MEH-PPV, 1.1% with P3HT and 3.5% with PTB7. A clear contribution of photon harvesting by the acceptor was identified from the external quantum efficiency spectra. Analysis of the current–voltage characteristics and photoluminescence quenching revealed trap-assisted and geminate recombination as a loss mechanism. Our results show that solution-processable SubPcs are a promising alternative to fullerenes for polymer solar cells.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Cooke, Professor Graeme |
| Authors: | Ebenhoch, B., Prasetya, N. B.A., Rotello, V. M., Cooke, G., and Samuel, I. D.W. |
| College/School: | College of Science and Engineering > School of Chemistry |
| Journal Name: | Journal of Materials Chemistry A |
| Publisher: | Royal Society of Chemistry |
| ISSN: | 2050-7488 |
| ISSN (Online): | 2050-7496 |
| Copyright Holders: | Copyright © 2015 The Royal Society of Chemistry |
| First Published: | First published in Journal of Materials Chemistry A 3(14):7345-7352 |
| Publisher Policy: | Reproduced under a Creative Commons License |
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