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One-step deposition by slot-die coating of mixed lead halide perovskite for photovoltaic applications / Giovanni Cotella; Jenny Baker; David Worsley; Francesca De Rossi; Cameron Pleydell-Pearce; Matthew Carnie; Trystan Watson

Solar Energy Materials and Solar Cells, Volume: 159, Pages: 362 - 369

Swansea University Authors: Jenny, Baker, David, Worsley, Francesca, De Rossi, Cameron, Pleydell-Pearce, Matthew, Carnie, Trystan, Watson

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Abstract

Recent advances in the performance and stability of lead halide perovskite solar cells announce a promising future for this technology. As the understanding of lab scale device fabrication progresses technology developments in the area of up-scaling are required to demonstrate their viability on an...

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Published in: Solar Energy Materials and Solar Cells
ISSN: 0927-0248
Published: 2017
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa29891
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Abstract: Recent advances in the performance and stability of lead halide perovskite solar cells announce a promising future for this technology. As the understanding of lab scale device fabrication progresses technology developments in the area of up-scaling are required to demonstrate their viability on an industrial and pre-commercial scale. These developments include replacing slow spin coated deposition techniques with continuous roll to roll compatible slot-die methods. In this work we demonstrate the suitability of a one-step slot-die coating method for the deposition of lead halide perovskite layers, in particular for infiltration into a mesoporous titania scaffold. Appropriate crystallisation dynamics of the perovskite are achieved by careful control of the substrate temperature in combination with a post-processed rapid air knife application. We show that devices fully processed in air using this method deliver a photovoltaic conversion efficiency up to 9.2%, this is comparable to those manufactured using a spin coating process.
Keywords: Perovskite; Slot-die; Printing; One-step; Photovoltaic
College: College of Engineering
Start Page: 362
End Page: 369