Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/142481
Title: Highly efficient semitransparent perovskite solar cells for four terminal perovskite-silicon tandems
Authors: Dewi, Herlina Arianita
Wang, Hao
Li, Jia
Thway, Maung
Sridharan, Ranjani
Stangl, Rolf
Lin, Fen
Aberle, Armin G.
Mathews, Nripan
Bruno, Annalisa
Mhaisalkar, Subodh Gautam
Keywords: Engineering::Materials
Issue Date: 2019
Source: Dewi, H. A., Wang, H., Li, J., Thway, M., Sridharan, R., Stangl, R., . . . Mhaisalkar, S. G. (2019). Highly efficient semitransparent perovskite solar cells for four terminal perovskite-silicon tandems. ACS Applied Materials & Interfaces, 11(37), 34178-34187. doi:10.1021/acsami.9b13145
Journal: ACS Applied Materials & Interfaces 
Abstract: Tandem solar cells (SCs) based on perovskite and silicon represent an exciting possibility for a breakthrough in photovoltaics, enhancing SC power conversion efficiency (PCE) beyond the single-junction limit while keeping the production cost low. A critical aspect to push the tandem PCE close to its theoretical limit is the development of high-performing semitransparent perovskite top cells, which also allow suitable near-infrared transmission. Here, we have developed highly efficient semitransparent perovskite SCs (PSCs) based on both mesoporous and planar architectures, employing Cs0.05(MA0.17FA0.83)0.95Pb(I0.83Br0.17)3 and FA0.87Cs0.13PbI2Br perovskites with band gaps of 1.58 and 1.72 eV, respectively, which achieved PCEs well above 17 and 14% by detailed control of the deposition methods, thickness, and optical transparency of the interlayers and the semitransparent electrode. By combining our champion 1.58 eV PSCs (PCE of 17.7%) with an industrial-relevant low-cost n-type Si SCs, a four-terminal (4T) tandem efficiency of 25.5% has been achieved. Moreover, for the first time, 4T tandem SCs’ performances have been measured in the low light intensity regime, achieving a PCE of 26.6%, corresponding to revealing a relative improvement above 9% compared to the standard 1 sun illumination condition. These results are very promising for their implementation under field-operating conditions.
URI: https://hdl.handle.net/10356/142481
ISSN: 1944-8244
DOI: 10.1021/acsami.9b13145
DOI (Related Dataset): 10.21979/N9/UKVIY8
Schools: School of Materials Science and Engineering 
Research Centres: Energy Research Institute @ NTU (ERI@N) 
Rights: This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Materials & Interfaces, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acsami.9b13145
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:ERI@N Journal Articles

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