兰州大学机构库
Bifunctional trifluorophenylacetic acid additive for stable and highly efficient flexible perovskite solar cell
Cao, Yang1; Feng, Jiangshan1,5; Xu, Zhuo1; Zhang, Lu1; Lou, Junjie2; Liu, Yucheng1; Ren, Xiaodong1; Yang, Dong3,4,6; Liu, Shengzhong (Frank)1,3,4,6
2023-10
Online publication date2023-08
Source PublicationInfoMat   Impact Factor & Quartile
ISSN2567-3165
Volume5Issue:10
page numbers10
AbstractThe defects within perovskite films are the fatal roadblock limiting the performance of perovskite solar cells (PSCs). Herein, we develop a patching strategy to obtain high-quality perovskite film using bifunctional trifluorophenylacetic acid (TFPA). Theoretical calculation and experiments reveal that the -COOH groups in TFPA effectively passivate the deep-energy-level defects of perovskite by combining with Pb clusters on the perovskite grain surfaces to enhance the efficiency of PSCs, and hydrophobic benzene groups containing fluorine in TFPA are exposed to improve the stability of PSCs. The power conversion efficiency (PCE) of PSCs with TFPA is enhanced from 22.95% to 24.56%. Most importantly, we successfully fabricated flexible PSCs using TFPA with the high PCE of 22.65%. The devices with TFPA maintain 93.22% of the initial efficiency MPP under continuous irradiation for 10.5 h, while the devices without TFPA only retain 82.22% of the initial efficiency under the same conditions for just 5 h. Meanwhile, the unsealed devices with TFPA hold 93.59% of the initial efficiency when stored in air for 3912 h.
Keywordadditive flexible passivation perovskite solar cell stability
PublisherWILEY
DOI10.1002/inf2.12423
Indexed BySCIE
Language英语
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:001042650000001
Original Document TypeArticle
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/568799
Collection兰州大学
材料与能源学院
Corresponding AuthorFeng, Jiangshan; Yang, Dong; Liu, Shengzhong (Frank)
Affiliation
1.Shaanxi Normal Univ, Inst Adv Energy Mat, Sch Mat Sci & Engn, Lab Appl Surface & Colloid Chem,Minist Educ,Shaanx, Xian, Shaanxi, Peoples R China;
2.Lanzhou Univ, Inst Nanosci & Nanotechnol, Sch Mat & Energy, Lanzhou, Gansu, Peoples R China;
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, iChEM, Dalian, Peoples R China;
4.Univ Chinese Acad Sci, Beijing, Peoples R China;
5.Shaanxi Normal Univ, Inst Adv Energy Mat, Sch Mat Scie & Engn, Lab Appl Surface & Colloid Chem,Minist Educ,Shaanx, Xian 710119, Shaanxi, Peoples R China;
6.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, iChEM, 457 Zhongshan Rd, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Cao, Yang,Feng, Jiangshan,Xu, Zhuo,et al. Bifunctional trifluorophenylacetic acid additive for stable and highly efficient flexible perovskite solar cell[J]. InfoMat,2023,5(10).
APA Cao, Yang.,Feng, Jiangshan.,Xu, Zhuo.,Zhang, Lu.,Lou, Junjie.,...&Liu, Shengzhong .(2023).Bifunctional trifluorophenylacetic acid additive for stable and highly efficient flexible perovskite solar cell.InfoMat,5(10).
MLA Cao, Yang,et al."Bifunctional trifluorophenylacetic acid additive for stable and highly efficient flexible perovskite solar cell".InfoMat 5.10(2023).
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