Exciton binding energy and effective mass of CsPbCI3: a magneto-optical study

被引：59

作者：

Baranowski, Michal ^{[1
]}

Plochocka, Paulina ^{[1
,2
,3
]}

Su, Rui ^{[4
]}

Legrand, Laurent ^{[5
]}

Barisien, Thierry ^{[5
]}

Bernardot, Frederick ^{[5
]}

Xiong, Qihura ^{[4
]}

Testelin, Christophe ^{[5
]}

Chamarro, Maria ^{[5
]}

机构：

[1] Wroclaw Univ Sci & Technol, Fac Fundamental Problems Technol, Dept Expt Phys, Wroclaw, Poland

[2] CNRS UGA UPS INSA, UPR 3228, Lab Natl Champs Magnet Intenses, Grenoble, France

[3] CNRS UGA UPS INSA, Lab Natl Champs Magnet Intenses, UPR 3228, Toulouse, France

[4] Nanyang Technol Univ, Sch Phys & Math Sci, Div Phys & Appl Phys, Singapore, Singapore

[5] Sorbonne Univ, CNRS, UMR 7588, Inst NanoSci Paris,INSP, Paris, France

来源：

PHOTONICS RESEARCH | 2020年 / 8卷 / 10期

关键词：

LEAD HALIDE PEROVSKITES; PHOTOLUMINESCENCE; NANOCRYSTALS; EMISSION; METHYLAMMONIUM; CONSTANT; GAP;

D O I：

10.1364/PRJ.401872

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

High magnetic field spectroscopy has been performed on lead chloride-based perovskite, a material that attracts significant interest for photovoltaic and photonic applications within the past decades. Optical properties being mainly driven by the exciton states, we have measured the fundamental parameters, such as the exciton binding energy, effective mass, and dielectric constant. Among the inorganic halide perovskites, CsPbCI3 owns the largest exciton binding energy and effective mass. This blue emitting compound has also been compared with lower band gap energy perovskites and other semiconducting phases, showing comparable band gap dependences for binding energy and Bohr radius. (C) 2020 Chinese Laser Press

引用

页码：A50 / A55

页数：6

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