Rethinking the A cation in halide perovskites

Rethinking the A cation in halide perovskites

The A cation in ABX organic-inorganic lead halide perovskites (OLHPs) was conventionally believed to hardly affect their optoelectronic properties. However, more recent developments have unraveled the critical role of the A cation in the regulation of the physicochemical and optoelectronic propertie...

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Veröffentlicht in:Science (American Association for the Advancement of Science) 2022-02, Vol.375 (6583), p.eabj1186-eabj1186
Hauptverfasser: Lee, Jin-Wook, Tan, Shaun, Seok, Sang Il, Yang, Yang, Park, Nam-Gyu
Format: Artikel
Sprache:eng
Schlagworte:
Anions
Cations
Cesium
Commercialization
Crystal lattices
Crystal structure
Electronics industry
Electrostatic properties
Energy conversion efficiency
First principles
Ion migration
Lead
Lead compounds
Low temperature
Metal halides
Optoelectronic devices
Perovskites
Photovoltaic cells
Photovoltaics
Physicochemical properties
Solar cells
Steric effects
Structural stability
Tin
Versatility
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Zusammenfassung:The A cation in ABX organic-inorganic lead halide perovskites (OLHPs) was conventionally believed to hardly affect their optoelectronic properties. However, more recent developments have unraveled the critical role of the A cation in the regulation of the physicochemical and optoelectronic properties of OLHPs. We review the important breakthroughs enabled by the versatility of the A cation and highlight potential opportunities and unanswered questions related to the A cation in OLHPs.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.abj1186