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Updated: Feb 12, 2026

Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance
Published on: February 27, 2017
Hypophosphite hybrid perovskites: a platform for unconventional tilts and shifts
Yue Wu1, Trevor Binford, Joshua A Hill
1Department of Materials Science and Metallurgy, University of Cambridge, CB3 0FS, UK. akc30@cam.ac.uk.
Abstract:
Following the recent discovery of the [A]Mn(H2POO)3 (H2POO- = hypophosphite) perovskite family, we report the A = [NH2(CH3)2]+ (dimethylammonium, DMA) member. This phase shows an unusually large unit cell due to the position of the A-site cation within the perovskite cage windows rather than the centre, as is the norm. We discuss the tendency of the hypophosphite perovskite skeleton to accommodate differently shaped A-site cations through the generation of unconventional tilts and columnar shifts, then enumerate these tilts and shifts for all known [A]Mn(H2POO)3 phases.
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