Study of I-V Hysteresis of Tin Perovskite Solar Cells Using Capacitance-Voltage Measurement Coupled with Charge Modulation Spectroscopy

被引：2

作者：

Noma, Taishi ^{[1
]}

Taguchi, Dai ^{[1
]}

Manaka, Takaaki ^{[1
]}

Iwamoto, Mitsumasa ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Elect & Elect Engn, Tokyo, Japan

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2019年 / 686卷 / 01期

关键词：

Hysteresis; perovskite; tin; solar cell; charge modulation spectroscopy; HALIDE; TRANSPORT;

D O I：

10.1080/15421406.2019.1648042

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We investigated the I-V hysteresis of tin perovskite solar cells using capacitance-voltage (C-V) measurement coupled with charge modulation spectroscopy (CMS). The C-V characteristics and CMS of the solar cell device (ITO/PEDOT:PSS/CH3NH3SnI3 (MASnI(3))/C-60/Al) showed that electrons inject from a C-60 layer into an MASnI(3) layer at positive bias voltage, while the injected electrons return to a C-60 layer at negative bias voltage. Results suggested that I-V hysteresis of tin perovskite solar cells is originated from the carrier injection into an MASnI(3) layer. This study provides a method for evaluating the carrier motion in tin perovskite solar cells.

引用

收藏

页码：92 / 98

页数：7

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