Thermodynamic Analyses of the Two-Step Method of CsPbBr3 Crystal Growth for Inorganic Perovskite Solar Cells

被引：2

作者：

Ding, Xihong ^{[1
,5
]}

Qian, Demeng ^{[1
,5
]}

Chen, Haibin ^{[2
]}

Wang, Zhibin ^{[3
]}

Fang, Kaijie ^{[4
]}

机构：

[1] Anhui Univ Sci & Technol AUST, State Key Lab Min Response & Disaster Prevent & Co, Huainan 231001, Peoples R China

[2] Hebei Univ, Natl Local Joint Engn Lab New Energy Photoelect De, Baoding 071000, Peoples R China

[3] Fujian Normal Univ, Coll Phys & Energy, Fujian Prov Key Lab Quantum Manipulat & New Energy, Fuzhou 350117, Peoples R China

[4] Mkt Serv Ctr State Grid Jiangsu Elect Power CO LTD, Nanjing 210000, Peoples R China

[5] Anhui Univ Sci & Technol AUST, Sch New Energy & Intelligent Connected Vehicles, Huainan 231001, Peoples R China

来源：

JOURNAL OF NANOELECTRONICS AND OPTOELECTRONICS | 2023年 / 18卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Perovskite Solar Cells; Crystal Growth; Thermodynamic Analyses; CsPbBr3; Gibbs Free Energy; CESIUM LEAD IODIDE; HALIDE PEROVSKITES; ALPHA-CSPBI3; PERFORMANCE; EFFICIENCY; STABILITY;

D O I：

10.1166/jno.2023.3424

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We conducted integrated thermodynamic analyses for the two-step method of CsPbBr3 growth. Deriving from Gibbs free energy and heterogeneous nucleation theory, a thermodynamic reaction model equation was proposed and verified, from which we could find that the grainsizes of the CsPbBr3 can be precisely controlled by the CsBr concentration. The impact of temperature of the solvent was also studied. Finally, a best cell was fabricated showing a power conversion efficiency of 4.75%, with open circuit voltage of 1.13 V, short circuit current of 6.68 mA/cm2 and fill factor of 63%. Our results will help other researchers to determine the appropriate condition of the growth of CsPbBr3 by the two-step method.

引用

页码：558 / 564

页数：7

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