Minimizing the Ohmic Resistance of Wide-Bandgap Perovskite for Semitransparent and Tandem Solar Cells

被引：8

作者：

Ye, Haoran ^{[1
]}

Xu, Weiquan ^{[1
]}

Tang, Fei ^{[2
]}

Yu, Bohao ^{[1
]}

Zhang, Cuiling ^{[1
]}

Ma, Nanxi ^{[2
]}

Lu, Feiping ^{[2
]}

Yang, Yuzhao ^{[1
,3
]}

Shen, Kai ^{[1
]}

Duan, Weiyuan ^{[4
]}

Lambertz, Andreas ^{[4
]}

Ding, Kaining ^{[4
]}

Mai, Yaohua ^{[1
]}

机构：

[1] Jinan Univ, Inst New Energy Technol, Coll Informat Sci & Technol, Guangzhou 510632, Peoples R China

[2] Tianshui Normal Univ, Dept Phys, Tianshui 741000, Peoples R China

[3] Guangdong Univ Technol, Sch Chem Engn & Light Ind, Guangzhou 510006, Peoples R China

[4] Forschungszentrum Julich, IEK 5 Photovolta, D-52425 Julich, Germany

来源：

SOLAR RRL | 2023年 / 7卷 / 03期

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

indium zinc oxide; ohmic contact; perovskite; CdTe tandem solar cells; silicon tandem solar cells; wide-bandgap solar cells; BUFFER LAYER; PERFORMANCE; EFFICIENCY;

D O I：

10.1002/solr.202200877

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

To overcome the efficiency limit of perovskite single-junction solar cells, it is vital to develop various types of tandem solar cells. Especially, wide-bandgap (WBG) perovskite solar cells (PSCs) have played an important role in high-efficiency tandem solar cells. Herein, an indium zinc oxide-based interfacial structure is developed to improve the performance of a WBG PSC and used as the transparent electrode for semitransparent (ST) PSCs. This approach minimizes ohmic contact between the electron-transport layer and metallic electrode, which also accelerates electron transfer and suppresses trap-assisted carrier recombination. As a result, the WBG PSC (1.71 eV) shows the best power conversion efficiency of 19.26% and improves operational stability. When the optimized ST-PSC is used as the ST-top cell, perovskite/CdTe four-terminal and perovskite/silicon (double-side polished) two-terminal tandem solar cells achieve a maximum efficiency of 22.59% and 26.34%, respectively.

引用

页数：8

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