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Leveraging Hierarchical Chirality in Perovskite(-Inspired) Halides for Transformative Device Applications

机译：Leveraging Hierarchical Chirality in Perovskite(-Inspired) Halides for Transformative Device Applications

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摘要

Chirality is an attribute based on the structural geometry of materials, whichconfers a distinctive energy band structure for intriguing optical, electronic,and spintronic properties. Recent studies on chirality encounteredin perovskite(-inspired) halides (PiHs) have drawn increasing attention,not only because of the large chemical diversity of PiHs seen at molecular,nanoscopic, and microscopic levels, but also due to the observation ofvarious emergent properties for multifunctional device applications. Hereinhierarchical chiral origin factors of PiHs, involving intercalation, substitution,and distortion at the intra-crystal level; modification at the crystal interfacelevel; and micro-design beyond the crystal level are first discussed. Then,updated progress in synthesis and characterization methods of chiral PiHsis reviewed, featuring intriguing structures that distinguish chiral PiHs fromother semiconductors and chiral materials. Furthermore, representativeexamples exploiting emergent properties of chiral PiH for achieving versatiledevice functions are examined. Finally, perspectives on challenges and opportunitiesin leveraging the chirality in PiHs for transformative device applicationsare provided.

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