Enhanced Power Conversion Efficiency of Perovskite Solar Cells with an Up-Conversion Material of Er3+-Yb3+-Li+ Tri-doped TiO2

被引：36

作者：

Zhang, Zhenlong ^{[1
]}

Qin, Jianqiang ^{[1
]}

Shi, Wenjia ^{[1
]}

Liu, Yanyan ^{[1
]}

Zhang, Yan ^{[1
]}

Liu, Yuefeng ^{[1
]}

Gao, Huiping ^{[1
]}

Mao, Yanli ^{[1
,2
]}

机构：

[1] Henan Univ, Sch Phys & Elect, Kaifeng 475004, Peoples R China

[2] Henan Univ, Inst Micro Nano Photon Mat & Applicat, Kaifeng 475004, Peoples R China

来源：

NANOSCALE RESEARCH LETTERS | 2018年 / 13卷

关键词：

Enhanced power conversion efficiency; Perovskite solar cells; Up-conversion material; HIGHLY EFFICIENT; PERFORMANCE; NANOPARTICLES; LAYER; EMISSIONS; NANOROD; GREEN;

D O I：

10.1186/s11671-018-2545-y

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this paper, Er3+-Yb3+-Li+ tri-doped TiO2 (UC-TiO2) was prepared by an addition of Li+ to Er3+-Yb3+ co-doped TiO2. The UC-TiO2 presented an enhanced up-conversion emission compared with Er-3(+)-Yb-3(+) co-doped TiO2. The UC-TiO2 was applied to the perovskite solar cells. The power conversion efficiency (PCE) of the solar cells without UC-TiO2 was 14.0%, while the PCE of the solar cells with UC-TiO2 was increased to 16.5%, which presented an increase of 19%. The results suggested that UC-TiO2 is an effective up-conversion material. And this study provided a route to expand the spectral absorption of perovskite solar cells from visible light to near-infrared using up-conversion materials.

引用

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