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Type: Journal article
Title: Solution processed graphene structures for perovskite solar cells
Author: Batmunkh, M.
Shearer, C.
Biggs, M.
Shapter, J.
Citation: Journal of Materials Chemistry A, 2016; 4(7):2605-2616
Publisher: Royal Society of Chemistry
Issue Date: 2016
ISSN: 2050-7488
Statement of
Munkhbayar Batmunkh, Cameron J. Shearer, Mark J. Biggs and Joseph G. Shapter
Abstract: 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.
Rights: This journal is © The Royal Society of Chemistry 2016
RMID: 0030044049
DOI: 10.1039/c5ta08996d
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Appears in Collections:Chemical Engineering publications

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