Characterization of Low-frequency Excess Noise in Perovskite-based Photovoltaic Cells

被引：0

作者：

Qian, Shen ^{[1
]}

Ng, Annie ^{[1
]}

Ren, Zhiwei ^{[1
]}

Surya, Charles ^{[1
]}

机构：

[1] Hong Kong Polytech Univ, Dept Elect & Informat Engn, Hong Kong, Hong Kong, Peoples R China

来源：

2015 INTERNATIONAL CONFERENCE ON NOISE AND FLUCTUATIONS (ICNF) | 2015年

关键词：

low-frequency noise; perovskite solar cells; oxygen annealing; SOLAR-CELLS; ROUTE;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We present experimental results on low-frequency noise characterizations of high-efficiency perovskite solar cells (PSCs). It is shown that annealing the device in dry oxygen results in significant enhancement in the power conversion efficiency of the device. Systematic investigations on the photothermal deflection spectroscopy and the low-frequency excess noise of the devices a indicate that oxygen annealing of the device resulted in the passivation of traps located at the grain boundaries of the perovskite films as well as the perovskite-spiro-MeOTAD interface.

引用

页数：4

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