APbBr3 (A=Cs, CH3NH3)是卤化物钙钛矿的通式,其能带宽度2.30~2.35 eV,表现为透明的亮黄色状态。韩国西江大学Joon I. Jang等报道了在APbBr3钙钛矿材料中,A位点分别为Cs、CH3NH3,导致钙钛矿在低温中的发光变化。
参考文献
Hongsun Ryu, Hye Ryung Byun, Kyle M. McCall, Dae Young Park, Tae Jung Kim, Mun Seok Jeong, Mercouri G. Kanatzidis, and Joon I. Jang*, Role of the A‑Site Cation in Low-Temperature Optical Behaviors of APbBr3 (A = Cs, CH3NH3), J. Am. Chem. Soc. 2021
DOI: 10.1021/jacs.0c11980
https://pubs.acs.org/doi/10.1021/jacs.0c11980