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Title: Highly efficient thermally co-evaporated perovskite solar cells and mini-modules
Authors: Li, Jia
Wang, Hao
Chin, Xin Yu
Dewi, Herlina Arianita
Vergeer, Kurt
Goh, Teck Wee
Lim, Melvin Jia Wei
Lew, Jia Haur
Loh, Kian Ping
Soci, Cesare
Sum, Tze Chien
Bolink, Henk Jan
Mathews, Nripan
Mhaisalkar, Subodh
Bruno, Annalisa
Keywords: Science::Physics
Issue Date: 2020
Source: Li, J., Wang, H., Chin, X. Y., Dewi, H. A., Vergeer, K., Goh, T. W., . . . Bruno, A. (2020). Highly efficient thermally co-evaporated perovskite solar cells and mini-modules. Joule, 4(5), 1035-1053. doi:10.1016/j.joule.2020.03.005
Journal: Joule 
Abstract: The rapid improvement in the power conversion efficiency (PCE) of perovskite solar cells (PSCs) has prompted interest in bringing the technology toward commercialization. Capitalizing on existing industrial processes facilitates the transition from laboratory to production lines. In this work, we prove the scalability of thermally co-evaporated MAPbI3 layers in PSCs and mini-modules. With a combined strategy of active layer engineering, interfacial optimization, surface treatments, and light management, we demonstrate PSCs (0.16 cm2 active area) and mini-modules (21 cm2 active area) achieving record PCEs of 20.28% and 18.13%, respectively. Un-encapsulated PSCs retained ∼90% of their initial PCE under continuous illumination at 1 sun, without sample cooling, for more than 100 h. Looking toward tandem and building integrated photovoltaic applications, we have demonstrated semi-transparent mini-modules and colored PSCs with consistent PCEs of ∼16% for a set of visible colors. Our work demonstrates the compatibility of perovskite technology with industrial processes and its potential for next-generation photovoltaics.
ISSN: 2542-4351
DOI: 10.1016/j.joule.2020.03.005
DOI (Related Dataset): 10.21979/N9/NPWIVG
Schools: School of Materials Science and Engineering 
School of Physical and Mathematical Sciences 
Research Centres: Energy Research Institute @ NTU (ERI@N) 
Rights: © 2020 Elsevier Inc. All rights reserved. This paper was published in Joule and is made available with permission of Elsevier Inc.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:ERI@N Journal Articles

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