Numerical simulation of Cs2AgBiBr6-based perovskite solar cell with ZnO nanorod and P3HT as the charge transport layers

被引：94
作者：
Alam, Intekhab [1 ]
Mollick, Rahat [1 ]
Ashraf, Md Ali [2 ]
机构：
[1] Bangladesh Univ Engn & Technol BUET, Dept Mech Engn ME, East Campus, Dhaka 1000, Bangladesh
[2] Bangladesh Univ Engn & Technol BUET, Dept Ind & Prod Engn IPE, East Campus, Dhaka 1000, Bangladesh
来源：
PHYSICA B-CONDENSED MATTER | 2021年 / 618卷
关键词：
Cs2AgBiBr6 halide double perovskite; ZnO nanorod ETL; P3HT HTL; Solar cell simulation by SCAPS; Solar cell simulation by wxAMPS; Alternative charge transport layers; HALIDE DOUBLE PEROVSKITE; ELECTRON-TRANSPORT; LITHIUM-SALTS; EFFICIENT; PERFORMANCE; RECOMBINATION; INTERFACE; DENSITY; CARBON; TIO2;
D O I：
10.1016/j.physb.2021.413187
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We carried out simulative investigations on a non-toxic, lead-free perovskite solar cell (PSC), where Cs2AgBiBr6, P3HT, ZnO nanorod, and C were utilized as the absorber layer, hole transport layer, electron transport layer, and back contact, respectively. At 600 nm optimum absorber thickness, the device achieved a maximum power conversion efficiency of 4.48%. The PSC operated optimally when the electron affinities were set at 3.3 eV and 4.6 eV for P3HT and ZnO nanorod, respectively. Moreover, the hole mobility and acceptor concentration of P3HT should be weighed during the choosing of appropriate doping additives and doping levels. Besides, the optimum back contact work function and absorber defect density were found to be 5.2 eV and 1015 cm-3, respectively. We also observed the effect of radiative recombination rates and different charge transport layers on the device's performance. Overall, this study's simulation results will provide insightful guidance towards fabricating an environmentally benign PSC.
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页数：14
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