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Efficient Metal–Halide Perovskite Photovoltaic Cells Deposited via Vapor Transport Deposition

Journal Article · · Solar RRL
Photovoltaic cells based on metal-halide perovskites have exceeded the performance of other thin film technologies and rival the performance of devices based on archetypical silicon. Attractively, the perovskite active layer can be processed via a variety of solution- and vapor-based methods. Herein, emphasis is on the use of vapor transport codeposition (VTD) to process efficient n–i–p photovoltaic cells based on methylammonium lead iodide (MAPbI3). VTD utilizes a hot-walled reactor operated under moderate vacuum in the range of 0.5–10 Torr. The organic and metal-halide precursors are heated with the resulting vapor transported by a N2 carrier gas to a cooled substrate where they condense and react to form a perovskite film. The efficiency of photovoltaic devices based on VTD-processed MAPbI3 is found to be highest in films with excess lead iodide content, with champion devices realizing exceeding 12%.
Research Organization:
University of Minnesota, Minneapolis, MN (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office
Grant/Contract Number:
EE0009514
OSTI ID:
2217689
Alternate ID(s):
OSTI ID: 2280455
OSTI ID: 2997617
OSTI ID: 2530193
Journal Information:
Solar RRL, Journal Name: Solar RRL Journal Issue: 1 Vol. 8; ISSN 2367-198X
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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