Molecular relays in nanometer-scale alumina: effective encapsulation for water-submersed halide perovskite photocathodes

Halide perovskite (HaP) solar cells have an excellent voltage efficiency (>70%) and a low electron-affinity conduction band minimum, making them prospective candidates to be used as photocathodes in integrated low-cost solar fuel generators. However, halide perovskites are notoriously unstable in...

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Bibliographic Details
Published in:Nanoscale 2023-03, Vol.15 (1), p.4951-4961
Main Authors: Harari, Yuval, Pathak, Chandra Shakher, Edri, Eran
Format: Article
Language:English
Subjects:
Aluminum oxide
Aqueous electrolytes
Aqueous solutions
Atomic layer epitaxy
Conduction bands
Electrolytic cells
Electron transport
Embedding
Encapsulation
Insulation
Metal particles
Organic chemistry
Perovskites
Photocathodes
Photoelectric effect
Photovoltaic cells
Silver
Solar cells
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Summary:Halide perovskite (HaP) solar cells have an excellent voltage efficiency (>70%) and a low electron-affinity conduction band minimum, making them prospective candidates to be used as photocathodes in integrated low-cost solar fuel generators. However, halide perovskites are notoriously unstable in aqueous solutions and immediately dissolve upon exposure to water. Ultrathin layers (
ISSN:2040-3364
2040-3372
DOI:10.1039/d2nr06530d