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Aerosol Assisted Solvent Treatment: A Universal Method for Performance and Stability Enhancements in Perovskite Solar Cells

Tian Du, Sinclair R. Ratnasingham, Felix U. Kosasih, Thomas J. Macdonald, Lokeshwari Mohan, Adriana Augurio, Huda Ahli, Chieh‐Ting Lin, Shengda Xu, Weidong Xu, Russell Binions, Caterina Ducati, James Durrant Orcid Logo, Joe Briscoe, Martyn A. McLachlan

Advanced Energy Materials, Volume: 11, Issue: 33, Start page: 2101420

Swansea University Author: James Durrant Orcid Logo

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DOI (Published version): 10.1002/aenm.202101420

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 devi...

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Published in: Advanced Energy Materials
ISSN: 1614-6832 1614-6840
Published: Wiley 2021
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa57406
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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.
Keywords: grain growth, large-area, MAPI, perovskite solar cells, post-deposition treatment
College: Faculty of Science and Engineering
Funders: EPSRC Plastic Electronics CDT; National Research Foundation of Korea; Engineering and Physical Sciences Research Council
Issue: 33
Start Page: 2101420

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