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Aerosol assisted solvent treatment: a universal method for performance and stability enhancements in perovskite solar cells

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Title: Aerosol assisted solvent treatment: a universal method for performance and stability enhancements in perovskite solar cells
Authors: Du, T
Ratnasingham, SR
Kosasih, FU
Macdonald, T
Mohan, L
Augurio, A
Ahli, H
Lin, C-T
Xu, S
Xu, W
Binions, R
Ducati, C
Durrant, J
Briscoe, J
McLachlan, M
Item Type: Journal Article
Abstract: Metal-halide perovskite solar cells (PSCs) have had a transformative impact on the renewable energy landscape since they were first demonstrated just over a decade ago. Outstanding improvements in performance have been demonstrated through structural, compositional, and morphological control of devices, with commercialization now being a reality. Here the authors present an aerosol assisted solvent treatment as a universal method to obtain performance and stability enhancements in PSCs, demonstrating their methodology as a convenient, scalable, and reproducible post-deposition treatment for PSCs. Their results identify improvements in crystallinity and grain size, accompanied by a narrowing in grain size distribution as the underlying physical changes that drive reductions of electronic and ionic defects. These changes lead to prolonged charge-carrier lifetimes and ultimately increased device efficiencies. The versatility of the process is demonstrated for PSCs with thick (>1 µm) active layers, large-areas (>1 cm2) and a variety of device architectures and active layer compositions. This simple post-deposition process is widely transferable across the field of perovskites, thereby improving the future design principles of these materials to develop large-area, stable, and efficient PSCs.
Issue Date: 2-Sep-2021
Date of Acceptance: 22-Jun-2021
URI: http://hdl.handle.net/10044/1/90594
DOI: 10.1002/aenm.202101420
ISSN: 1614-6832
Publisher: Wiley-VCH Verlag
Journal / Book Title: Advanced Energy Materials
Volume: 11
Issue: 33
Copyright Statement: © 2021 The Authors. Advanced Energy Materials published by Wiley-VCH GmbH. This is an open access article under the terms of the Crea-tive Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Sponsor/Funder: Ministry of Science, ICT & Future Planning
Funder's Grant Number: NRF-2017K1A1A2013153
Keywords: Science & Technology
Physical Sciences
Technology
Chemistry, Physical
Energy & Fuels
Materials Science, Multidisciplinary
Physics, Applied
Physics, Condensed Matter
Chemistry
Materials Science
Physics
grain growth
large-area
MAPI
perovskite solar cells
post-deposition treatment
HALIDE PEROVSKITES
CH3NH3PBI3 PEROVSKITE
RECOMBINATION
DEGRADATION
EFFICIENCY
OPERATION
0303 Macromolecular and Materials Chemistry
0912 Materials Engineering
0915 Interdisciplinary Engineering
Publication Status: Published
Open Access location: https://onlinelibrary.wiley.com/doi/10.1002/aenm.202101420?af=R
Article Number: ARTN 2101420
Online Publication Date: 2021-07-11
Appears in Collections:Materials
Chemistry
Faculty of Natural Sciences
Faculty of Engineering



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