激子
钙钛矿(结构)
比克西顿
结合能
卤化物
材料科学
吸收(声学)
光伏系统
光电子学
光电效应
化学物理
化学
物理
原子物理学
凝聚态物理
结晶学
无机化学
电气工程
工程类
复合材料
作者
Wanxiao Gao,Jie Ding,Zhenxu Bai,Yaoyao Qi,Yulei Wang,Zhiwei Lv
出处
期刊:Nanophotonics
[De Gruyter]
日期:2021-10-20
卷期号:10 (16): 3945-3955
被引量:5
标识
DOI:10.1515/nanoph-2021-0411
摘要
Abstract The lead halide perovskite material shows its unique photoelectric properties, the resulting conversion efficiency of perovskite solar cells. However, the efficiency comes to a bottleneck owing to that mechanism research fall behind the device research. Multiple excitons dynamics play an important role, especially in the lifetime and binding energy of multiple excitons. A long multiexciton lifetime is beneficial to the application for light-emitting devices and photovoltaic devices. Large multiexciton binding energy means a large Stokes shift in exciton absorption, thus avoiding the loss of linear absorption. To conclude, discussions are presented regarding views of current multiple excitons research in terms of the biexciton lifetime and biexciton binding energy that should be considered for further advances in materials and devices.
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