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https://idr.l2.nitk.ac.in/jspui/handle/123456789/13462
Title: | Solvent selection for highly reproducible carbon-based mixed-cation hybrid lead halide perovskite solar cells via adduct approach |
Authors: | Keremane, K.S. Prathapani, S. Haur, L.J. Bahulayan, D. Adhikari, A.V. Priyadarshi, A. Dr. Mhaisalkar, S.G. Prof. |
Issue Date: | 2020 |
Citation: | Solar Energy, 2020, Vol.199, , pp.761-771 |
Abstract: | The major problem identified in carbon-based mixed cation perovskite solar cells (PSCs) is the selection of a suitable solvent for single-step solution-processed perovskite deposition in order to promote their scalable production. Herein we report a detailed study on the selection of appropriate solvent for the one-step deposition of cesium-formamidinium lead iodide (Cs0.1FA0.9PbI3) perovskite via Lewis acid-base adduct approach for fully printable mesoporous PSCs with mesoporous TiO2/ZrO2/C architecture. Highly reproducible Cs0.1FA0.9PbI3 solar cells were fabricated via adducts of PbI2 with eco-friendly dimethyl sulfoxide (DMSO). The best cells fabricated with the above approach yielded a photoconversion efficiency (PCE) of 12.33% for a small area device (active area: 0.09 cm2) and 10.1% for a large area device (active area 0.7cm2). The average power conversion efficiency for 62 PSCs was found to be 10.5% under an AM 1.5G illumination. Finally, the mixed cation perovskite in carbon architecture using the Lewis acid-base adduct approach is remarkably stable, with less than 1% change from the initial PCE after 1800h of storage under dark ambient conditions (25 C, 60 70% RH). 2020 International Solar Energy Society |
URI: | http://idr.nitk.ac.in/jspui/handle/123456789/13462 |
Appears in Collections: | 1. Journal Articles |
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