Giant optical absorption and ferroelectric polarization of BiCoO 2 S perovskite oxysulfide by first principles prediction

作者：Lijing Wei, Changliang Li, Jianxin Guo, Li Guan, Yinglong Wang, Baoting Liu · 发表于：Physical Chemistry Chemical Physics · 年份：2020 · DOI：10.1039/d0cp00057d · 被引用次数：9 · 研究领域：Perovskite Materials and Applications、Multiferroics and related materials、2D Materials and Applications

S can be modulated by the doping amount of sulfur, which can help us fabricate multilayer FE-PV devices based on different bandgaps from different layers.