Hydrazinium-assisted stabilisation of methylammonium tin iodide for lead-free perovskite solar cells

被引：62

作者：

Tsarev, Sergey ^{[1
]}

Boldyreva, Aleksandra G. ^{[1
]}

Luchkin, Sergey Yu. ^{[1
]}

Elshobaki, Moneim ^{[1
]}

Afanasov, Mikhail I. ^{[3
]}

Stevenson, Keith J. ^{[1
]}

Troshin, Pavel A. ^{[1
,2
]}

机构：

[1] Skolkovo Inst Sci & Technol, Ctr Electrochem Energy Storage, Nobel St 3, Moscow 143026, Russia

[2] Russian Acad Sci, Inst Problems Chem Phys, Semenov Prospect 1, Chernogolovka 141432, Russia

[3] Lomonosov Moscow State Univ, Dept Chem, Leninskie Gory 1-3, Moscow, Russia

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2018年 / 6卷 / 43期

基金：

俄罗斯科学基金会;

关键词：

PHOTOVOLTAIC APPLICATIONS; HALIDE PEROVSKITES; FABRICATION; STABILITY; EFFICIENT; HYBRID; FILMS; PERFORMANCE;

D O I：

10.1039/c8ta07699e

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：

Here we explore the effect of the partial substitution of univalent methylammonium (MA) cations with hydrazinium (HA) ions on the stability, morphology and photovoltaic performance of hybrid MA((1-x))HA(x)SnI(3) systems. The hydrazinium-loaded films have shown much superior stability with respect to light exposure under an inert atmosphere as compared to the reference MASnI(3) films, which undergo rapid conversion to MA(2)SnI(6) under these conditions. Furthermore, the incorporation of hydrazinium ions dramatically improved the photovoltaic performance of the materials yielding a maximum efficiency of 2.6% in inverted planar junction perovskite solar cells using the optimal HA(0.2)MA(0.8)SnI(3) composition.

引用

页码：21389 / 21395

页数：7

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