不同PbBr<sub>2</sub>浓度对CsPbBr<sub>3</sub>钙钛矿太阳电池性能的影响

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不同PbBr₂浓度对CsPbBr₃钙钛矿太阳电池性能的影响

更新时间：2026-07-21

- 不同PbBr₂浓度对CsPbBr₃钙钛矿太阳电池性能的影响
- Vol. 47, Issue 5, Pages: 613-619(2026)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.19912/j.0254-0096.tynxb.2024-2311
  CLC： TM914
- Online First：04 June 2026，
  
  Published：2026
- 稿件说明：
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崔天洋, 杨雯, 杨培志. 不同PbBr₂浓度对CsPbBr₃钙钛矿太阳电池性能的影响[J]. 2026, 47(5): 613-619. DOI: 10.19912/j.0254-0096.tynxb.2024-2311.
DOI：

崔天洋, 杨雯, 杨培志. 不同PbBr₂浓度对CsPbBr₃钙钛矿太阳电池性能的影响[J]. 2026, 47(5): 613-619. DOI: 10.19912/j.0254-0096.tynxb.2024-2311. DOI：

摘要

该文通过多步旋涂法制备基于不同PbBr2浓度的CsPbBr3太阳电池。研究不同PbBr2浓度对CsPbBr3太阳电池光伏性能的影响。结果表明

相比于0.6、0.8和1.2 mol/L PbBr2浓度的CsPbBr3太阳电池

1.0 mol/L PbBr2浓度的CsPbBr3太阳电池的短路电流密度得到有效提高

达7.47 mA/cm2

进而使器件效率提升至7.30%。经测试表征发现

基于1.0 mol/L PbBr2浓度制备的CsPbBr3吸收层具有更好的均匀性、更低的粗糙度、更高的光吸收率以及更强的电子和空穴分离能力

从而提升器件效率。

Abstract

In this work

the CsPbBr solar cells based on different concentrations of PbBr are prepared by a multi-step spin coating method. The effect of different PbBr concentrations on the photovoltaic performance of CsPbBr solar cells is studied. The results showed that compared with CsPbBr solar cells based on 0.6

0.8 and 1.2 mol/L PbBr

the short-circuit current density of CsPbBr solar cell with 1.0 mol/L PbBr is effectively improved （7.47 mA/cm）

which leads to an improvement in device efficiency （7.30%）. Characterization tests revealed that the CsPbBr₃ absorber layer prepared with a PbBr concentration of 1.0 mol/L exhibits better uniformity

lower roughness

higher light absorption

and stronger electron-hole separation capability

leading to improved device efficiency.

关键词

Keywords

references

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