期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 60, 期 30, 页码 16264-16278出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202016185
关键词
band structure; double perovskites; perovskites; photovoltaics; semiconductors
资金
- Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering [DE-AC02-76SF00515]
- Stanford Interdisciplinary Graduate Fellowship
- NSF [DGE-114747]
- Evelyn McBain award from Stanford Chemistry
- Stanford Graduate Fellowship
- Veatch award from Stanford Chemistry
When the stakes are doubled, correctly placing two consecutive bets is more challenging but offers a larger payout. Differences and similarities between double and single perovskites are highlighted, with the double perovskite structure potentially providing greater control over photophysical properties.
When the stakes are doubled in a wager, a player must correctly place two consecutive bets to win, but the payout is larger. Similarly, two B sites in combination dictate the properties of A(2)BB ' X-6 (A=monocation, X=halide) double perovskites. Correctly picking two B sites is more challenging than picking just one, as in the A(I)B(II)X(3) single perovskites, but the options are greater and, we believe, the rewards are higher when the stakes are doubled. In this Minireview, we emphasize fundamental aspects of halide double perovskites to provide a foundation for interested readers to explore this extraordinary class of materials. In particular, we highlight the differences and similarities between double and single perovskites and describe how the double perovskite structure potentially offers greater control over photophysical properties.
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