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Solution processed graphene structures for perovskite solar cells

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journal contribution
posted on 26.02.2016, 13:26 by Munkhbayar Batmunkh, C.J. Shearer, Mark Biggs, J.G. Shapter
Organometallic trihalide perovskite light absorber based solar cells have drawn increasing attention because of their recent rapid increase in power conversion efficiency (PCE). These photovoltaic cells have relied significantly on transparent conducting oxide (TCO) electrodes which are costly and brittle. Herein, solution processed transparent conductive graphene films (TCGFs) are utilized, for the first time, as an alternative to traditional TCO electrodes at the electron collecting layer in perovskite solar cells (PSCs). By investigating and optimizing the trade-off between transparency and sheet resistance (Rs) of the graphene films, a PCE of 0.62% is achieved. This PCE is further improved to 0.81% by incorporating graphene structures into both compact and mesoporous TiO2 layers of the solar cell. We anticipate that the present study will lead to further work to develop graphene-based transparent conductive electrodes for future solar cell devices.

Funding

The support of the Australian Research Council Discovery Program (DP130101714) is gratefully acknowledged.

History

School

  • Science

Department

  • Chemistry

Published in

Journal of Materials Chemistry A

Volume

4

Issue

7

Pages

2605 - 2616

Citation

BATMUNKH, M. ...et al., 2016. Solution processed graphene structures for perovskite solar cells. Journal of Materials Chemistry A, 4(7), pp. 2605-2616.

Publisher

© The Royal Society of Chemistry

Version

AM (Accepted Manuscript)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Acceptance date

22/01/2016

Publication date

2016-01-25

Notes

This paper was accepted for publication in the journal Journal of Materials Chemistry A and the definitive published version is available at http://dx.doi.org/10.1039/C5TA08996D.

ISSN

2050-7488

eISSN

2050-7496

Language

en

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