Efficient up-conversion Yb3+, Er3+ co-doped Na5Lu9F32 single crystal for photovoltaic application under solar cell spectrum excitation

被引：6

作者：

Zhou, Xiong ^{[1
]}

Wang, Hui ^{[1
]}

Xia, Haiping ^{[1
]}

Song, Hongwei ^{[2
,3
]}

Chen, Xu ^{[2
,3
]}

Hu, Jianxu ^{[1
]}

Chen, Baojiu ^{[4
]}

机构：

[1] Ningbo Univ, Key Lab Photoelect Mat, Ningbo 315211, Zhejiang, Peoples R China

[2] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Jilin, Peoples R China

[3] Jilin Univ, Coll Phys, Changchun 130012, Jilin, Peoples R China

[4] Dalian Maritime Univ, Dept Phys, Dalian 116026, Peoples R China

来源：

CHINESE OPTICS LETTERS | 2019年 / 17卷 / 09期

基金：

中国国家自然科学基金;

关键词：

LUMINESCENCE;

D O I：

10.3788/COL201917.091601

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Yb3+/Er3+ co-doped Na5Lu9F32 single crystals used as a spectral up-converter to improve the power conversion efficiency of perovskite solar cells are prepared via an improved Bridgman approach. Green and red up-conversion (UC) emissions under the excitation of near-infrared (NIR) bands of 900-1000 nm and 1400-1600 nm can be observed. The effectiveness of the prepared materials as a spectral converter is verified by the enhancement of power conversion efficiency of perovskite solar cells. The sample with a UC layer is 15.5% more efficient in converting sunlight to electricity compared to the UC layer-free sample due to the absorption of sunlight in the NIR range. The results suggest the synthesized Yb3+/Er3+ co-doped Na5Lu9F32 single crystals are suitable for enhancing the performance of perovskite solar cells.

引用

页数：5

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