Assessing the Impact of Ambient Fabrication Temperature on the Performance of Planar CH3NH3PbI3 Perovskite Solar Cells

被引：8

作者：

Molenda, Zuzanna ^{[1
,2
]}

Chambon, Sylvain ^{[3
]}

Bassani, Dario M. ^{[2
]}

Hirsch, Lionel ^{[1
]}

机构：

[1] Univ Bordeaux, CNRS, Lab Integrat Mat Syst, Bordeaux INP, 351 Cours Liberat, F-33405 Talence, France

[2] Univ Bordeaux, Inst Sci Mol, CNRS, 351 Cours Liberat, F-33405 Talence, France

[3] Univ Tokyo, LIMMS CNRS IIS IRL2820, Inst Ind Sci, Meguro Ku, 4-6-1 Komaba, Tokyo 1538505, Japan

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2021年 / 2021卷 / 25期

关键词：

Ambient temperature; Defects; Perovskite phases; Photophysics; Solar cells; HALIDE PEROVSKITES; EFFICIENCY; RECOMBINATION; ENERGY; SIZE;

D O I：

10.1002/ejic.202100329

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The ambient fabrication temperature inside the glove box is found to play an important role in determining the overall power conversion efficiency in solar cells based on CH3NH3PbI3 (MAPI) hybrid organic-inorganic perovskites. We find that a variation of the ambient temperature of only 10 degrees C during the fabrication process has a crucial impact on both the reproducibility and the efficiency of the devices. Atomic Force Microscopy, XRD, UV-Vis absorption spectroscopy, and electroluminescence studies have been carried out to investigate the origin of this behavior. We conclude that the partial vapor pressure variation of the solvent impacts the crystallization process, inducing an increased density of traps within the bandgap of the perovskite.

引用

页码：2533 / 2538

页数：6

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