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Extraordinary Strong Band‐Edge Absorption in Distorted Chalcogenide Perovskites
Author(s) -
Nishigaki Yukinori,
Nagai Takayuki,
Nishiwaki Mitsutoshi,
Aizawa Takuma,
Kozawa Masayuki,
Hanzawa Kota,
Kato Yoshitsune,
Sai Hitoshi,
Hiramatsu Hidenori,
Hosono Hideo,
Fujiwara Hiroyuki
Publication year - 2020
Publication title -
solar rrl
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.544
H-Index - 37
ISSN - 2367-198X
DOI - 10.1002/solr.202070051
Subject(s) - chalcogenide , materials science , perovskite (structure) , absorption (acoustics) , optoelectronics , tandem , absorption edge , chalcogenide glass , enhanced data rates for gsm evolution , optics , band gap , crystallography , chemistry , composite material , telecommunications , physics , computer science
Distorted Chalcogenide Perovskites In article number 1900555 , Hiroyuki Fujiwara and co‐workers show experimentally that chalcogenide perovskites (BaZrS 3 , SrZrS 3 , BaHfS 3 , and SrHfS 3 ) exhibit an extraordinary strong light absorption of >105 cm −1 . The superior optical characteristics originate from the unique band structures of the chalcogenide perovskites, making the perovskite alloys ideal materials for the top cells of tandem solar cells, with potential efficiencies exceeding 38%.