Differentiating the 2D Passivation from Amorphous Passivation in Perovskite Solar Cells

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成果类型：

期刊论文

作者：

Zheng, Xiaojian;Ahmed, Shehzad;Zhang, Yu;Xu, Guoqiang;Wang, Junyu;...

通讯作者：

Liu, Zhixin;Khan, Danish;Tang, ZG;Wang, XZ

作者机构：

[Zhang, Yu; Han, Peigang; Shi, Tingshu; Liu, Zhixin; Wang, Junyu; Tang, Zeguo; Zheng, Xiaojian; Xu, Guoqiang; Khan, Danish; Lu, Di; Tang, Jun] Shenzhen Technol Univ, Coll New Mat & New Energies, Lantian Rd 3002, Shenzhen 518118, Peoples R China.

[Yan, Lei; Wang, Xingzhu; Zheng, Xiaojian; Xu, Guoqiang] Univ South China, Engn & Res Ctr Integrated New Energy Photovolta &, Hengyang 421001, Peoples R China.

[Yan, Lei; Wang, Xingzhu; Zheng, Xiaojian; Xu, Guoqiang] Univ South China, Sch Elect Engn, Hengyang 421001, Peoples R China.

[Ahmed, Shehzad] Shanghai Jiao Tong Univ, China UK Low Carbon Coll, Shanghai 201306, Peoples R China.

[Chen, Wei] Shenzhen Technol Univ, Coll Engn Phys, Shenzhen 518118, Guangdong, Peoples R China.

通讯机构：

[Liu, ZX; Khan, D; Tang, ZG ] S

[Wang, XZ ] U

Shenzhen Technol Univ, Coll New Mat & New Energies, Lantian Rd 3002, Shenzhen 518118, Peoples R China.

Univ South China, Engn & Res Ctr Integrated New Energy Photovolta &, Hengyang 421001, Peoples R China.

Univ South China, Sch Elect Engn, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

3D/2D perovskite films;Benzamidine;Amorphous passivation;2D passivation;Inverted perovskite solar cells

期刊：

纳微快报(英文)

ISSN：

2311-6706

年：

2026

卷：

期：

页码：

1-13

DOI：

10.1007/s40820-025-01913-y

基金类别：

National Key Research and Development Programs-Intergovernmental International Cooperation in Science and Technology Innovation Project [2022YFE0118400]; Natural Science Foundation of Hunan Province [2023JJ50132]; Shenzhen Science and Technology Innovation Committee [JCYJ20220818100211025, KCXST20221021111616039]; Shenzhen Science and Technology Program [20231128110928003]

机构署名：

本校为通讯机构

院系归属：

电气工程学院

摘要：

The introduction of two-dimensional (2D) perovskite layers on top of three-dimensional (3D) perovskite films enhances the performance and stability of perovskite solar cells (PSCs). However, the electronic effect of the spacer cation and the quality of the 2D capping layer are critical factors in achieving the required results. In this study, we compared two fluorinated salts: 4-(trifluoromethyl) benzamidine hydrochloride (4TF-BAHCl) and 4-fluorobenzamidine hydrochloride (4F-BAHCl) to engineer the 3D/2D perovskite films. Surprisingly, 4F-BA formed a high-performance 3D/2D heterojunction, while...

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Differentiating the 2D Passivation from Amorphous Passivation in Perovskite Solar Cells

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