中文版 | English
Title

Bidirectional Targeted Therapy Enables Efficient, Stable, and Eco-Friendly Perovskite Solar Cells

Author
Corresponding AuthorGao, Yueyue; Tan, Hairen; Tan, Furui; Wang, Hsing-Lin
Publication Years
2023-02-01
DOI
Source Title
ISSN
1616-301X
EISSN
1616-3028
Abstract
Perovskite solar cells (PSCs) have witnessed rapid development toward commercialization based on their superior efficiency except for some remained misgivings about their poor stability primarily originating from interfacial problems. Robust back interface for neutralization of crystal defects, depression of dopant lithium ions (Li+) diffusion, and even inhibition of toxic lead (Pb) leakage is highly desirable; however, it remains a great challenge. Herein, a cost-effective interfacial therapy approach is developed to simultaneously alleviate the obstacles aforementioned. A small molecule, 1,4-dithiane with unique chair structure, is adapted to interact with under-coordinated Pb2+ on perovskite surface and Li+ from hole transport layer, neutralizing interfacial defects and suppressing Li+ diffusion. Besides, the presence of 1,4-dithiane can efficiently modulate interfacial energetics, enhance hydrophobicity of PSCs, and anchor Pb atoms via S-Pb bond. Consequently, the target devices perform better than control devices when exposed to light-soaking, moisture, and thermal stress owing to the synergistic suppression of trap-state density, ions migration, and moisture permeation. The optimized target device delivers a champion efficiency of 23.27% with mitigated Pb leakage. This study demonstrates a promising functionalized modification strategy for constructing efficient, stable, and eco-friendly PSCs.
Keywords
URL[Source Record]
Indexed By
Language
English
Important Publications
NI Journal Papers
SUSTech Authorship
Corresponding
Funding Project
National Natural Science Foundation of China[62204079] ; China Postdoctoral Science Foundation[2022M711037] ; Leading Talents of Guangdong Province program[2016LJ06N507] ; Shenzhen Basic Research Fund[JCYJ20190809144215761] ; Postgraduate Cultivating Innovation and Quality Improvement Action Plan of Henan University["SYLYC2022184","SYLYC2022185"]
WOS Research Area
Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS Subject
Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS Accession No
WOS:000934865500001
Publisher
ESI Research Field
MATERIALS SCIENCE
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:0
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/501485
DepartmentDepartment of Materials Science and Engineering
工学院_电子与电气工程系
Affiliation
1.Henan Univ, Key Lab Photovolta Mat, Kaifeng 475004, Peoples R China
2.Southern Univ Sci & Technol, Key Univ Lab Highly Efficient Utilizat Solar Energ, Dept Mat Sci & Engn, Shenzhen 518055, Peoples R China
3.Southern Univ Sci & Technol, Dept Elect & Elect Engn, Shenzhen 518055, Peoples R China
4.Nanjing Univ, Coll Engn & Appl Sci, Collaborat Innovat Ctr Adv Microstruct, Natl Lab Solid State Microstruct,Jiangsu Key Lab A, Nanjing 210093, Peoples R China
First Author AffilicationDepartment of Materials Science and Engineering
Corresponding Author AffilicationDepartment of Materials Science and Engineering
Recommended Citation
GB/T 7714
Qi, Xingnan,Song, Chongping,Zhang, Weihai,et al. Bidirectional Targeted Therapy Enables Efficient, Stable, and Eco-Friendly Perovskite Solar Cells[J]. ADVANCED FUNCTIONAL MATERIALS,2023.
APA
Qi, Xingnan.,Song, Chongping.,Zhang, Weihai.,Shi, Yueqing.,Gao, Yueyue.,...&Wang, Hsing-Lin.(2023).Bidirectional Targeted Therapy Enables Efficient, Stable, and Eco-Friendly Perovskite Solar Cells.ADVANCED FUNCTIONAL MATERIALS.
MLA
Qi, Xingnan,et al."Bidirectional Targeted Therapy Enables Efficient, Stable, and Eco-Friendly Perovskite Solar Cells".ADVANCED FUNCTIONAL MATERIALS (2023).
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