Multi-functional organic molecules for surface passivation of perovskite

被引：12

作者：

Zhang, Tingting ^{[1
,2
]}

Cao, Zhanqi ^{[3
,4
]}

Shang, Yuequn ^{[2
]}

Cui, Chao ^{[2
]}

Fu, Pengfei ^{[2
]}

Jiang, Xianyuan ^{[2
]}

Wang, Fei ^{[2
]}

Xu, Kaimin ^{[2
]}

Yin, Dongguang ^{[1
]}

Qu, Dahui ^{[3
]}

Ning, Zhijun ^{[2
]}

机构：

[1] Shanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China

[2] ShanghaiTech Univ, Sch Phys Sci & Technol, 100 Haike Rd, Shanghai 201210, Peoples R China

[3] East China Univ Sci & Technol, Inst Fine Chem, Sch Chem & Mol Engn, Key Lab Adv Mat, 130 Meilong Rd, Shanghai 200237, Peoples R China

[4] Henan Agr Univ, Coll Sci, Zhengzhou 450002, Henan, Peoples R China

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2018年 / 355卷

基金：

中国国家自然科学基金;

关键词：

Organic-inorganic hybrid perovskite; Organic ligands; Solar cells; Stability; SOLAR-CELLS; HALIDE PEROVSKITES; HYBRID PEROVSKITE; SCAFFOLD LAYERS; STABILITY; PERFORMANCE; DEGRADATION; EFFICIENCY; IODIDE;

D O I：

10.1016/j.jphotochem.2017.11.031

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The stability of perovskite is a bottleneck for the application of perovskite solar cells. Herein, 4-ethylamine Phenylphosphate disodium salt (EAPP) was explored as a functional surface ligand to passivate perovskite surface. As the addition of 1 mol% of EAPP, the degradation of the film in high humidity condition was effectively reduced. Solar cells based on EAPP doped perovskite film show merely slight decrease of its initial efficiency in high humidity condition, whereas the control device show catastrophic decrease. Apart from as a passivating molecule to protect perovskite from contacting with water, EAPP show function as a reducing reagent to bond with hydrogen iodide formed in perovskite decomposition. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：42 / 47

页数：6

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