Probing the photodegradation of MAPI perovskite with concentrated sunlight

被引：7
|
作者：
Pathak, Chandra Shakher [1 ,2 ]
机构：
[1] Ben Gurion Univ Negev, Ben Gurion Natl Solar Energy Ctr, Dept Solar Energy & Environm Phys, Jacob Blaustein Inst Desert Res, Sede Boger Campus, IL-8499000 Sede Boqer, Israel
[2] Ben Gurion Univ Negev, Dept Chem Engn, IL-8410501 Beer Sheva, Israel
来源：
OPTICAL MATERIALS | 2022年 / 133卷
关键词：
Perovskite; Photodegradation; Stability; Conductivity; Sunlight; SOLAR-CELLS; HALIDE PEROVSKITES; GRAIN-BOUNDARIES; LEAD IODIDE; CH3NH3PBI3; STABILITY; PERFORMANCE; EFFICIENT; FILMS;
D O I：
10.1016/j.optmat.2022.113012
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The photodegradation of lead iodide (PbI2) scaffolds methylammonium lead iodide (CH3NH3PbI3, MAPI) perovskite under concentrated sunlight was investigated with absorbance, photoluminescence (PL), and conducting atomic force microscopy (CAFM) techniques. At the nanoscale, the CAFM technique provides direct evidence of change in the electrical properties of the materials. These measurements show direct evidence of photodegradation of MAPI perovskite. Direct measurements of photocurrent have been investigated at the nanoscale in the fresh and exposed area of the films. We also investigated the stability of MAPI cells under concentrated sunlight.
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页数：5
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