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Highly efficient and humidity stable perovskite solar cells achieved by introducing perovskite-like metal formate material as the nanocrystal scaffold
Liu, Guozhen1,2; Zhu, Liangzheng1,2; Zheng, Haiying1,2; Xu, Xiaoxiao1,2; Alsaedi, Ahmed3; Hayat, Tasawar3,5; Pan, Xu1; Dai, Songyuan1,3,4
2018-10-31
Source PublicationJOURNAL OF POWER SOURCES
ISSN0378-7753
Volume402Pages:229-236
Corresponding AuthorPan, Xu(xpan@rntek.cas.cn) ; Dai, Songyuan(sydai@ncepu.edu.cn)
AbstractCrystallinity and morphology of perovskite absorber layers are important factors for influencing on the performance and stability of perovskite solar cells. Here, a perovskite-like metal formate (PLMF) material is firstly introduced as the scaffold into the perovskite precursor solution to improve the quality of perovskite films by effectively controlling the crystallization process in the course of the perovskite growth. The results show that the perovskite films with PLMF exhibit well-organized crystallinity and compact morphology, and therefore decreased grain boundaries which will notably reduce the electron-hole recombination and the defect points exposed to humidity. Finally, the photoelectricity properties have been significantly improved. The device with 3 mg ml(-1) PLMF achieves a power conversion efficiency of 19.17% with less hysteresis under AM 1.5G solar illumination, which shows a 16.53% increase than the pristine one (a power conversion efficiency of 16.45%). Importantly, the device with 3 mg ml(-1) PLMF displays excellent stability compared to pristine device under 40 +/- 5% and 70 +/- 5% relative humidity (RH) in the dark, maintaining about 85% and 60% of the original efficiency after about 1000 hat room temperature, respectively. This work offers a potential way by employing scaffold additive to improve the performance and stability of perovskite solar cells.
KeywordPerovskite solar cells Film quality Scaffold additive Photovoltaic performance Humidity stability
Funding OrganizationNational High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences
DOI10.1016/j.jpowsour.2018.07.014
WOS KeywordASSISTED SOLUTION PROCESS ; PROCESSED PEROVSKITE ; ENHANCED PERFORMANCE ; CRYSTAL-GROWTH ; AMBIENT AIR ; THIN-FILMS ; RECOMBINATION ; STABILITY ; LAYER ; DEGRADATION
Indexed BySCI
Language英语
Funding ProjectNational High Technology Research and Development Program of China[2015AA050602] ; STS project of Chinese Academy of Sciences[KFJ-SW-STS-152]
Funding OrganizationNational High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; National High Technology Research and Development Program of China ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences ; STS project of Chinese Academy of Sciences
WOS Research AreaChemistry ; Electrochemistry ; Energy & Fuels ; Materials Science
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS IDWOS:000449447800028
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/34245
Collection应用技术研究所
Corresponding AuthorPan, Xu; Dai, Songyuan
Affiliation1.Chinese Acad Sci, Key Lab Photovolta & Energy Conservat Mat, Inst Appl Technol, Hefei Inst Phys Sci, Hefei 230031, Anhui, Peoples R China
2.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
3.King Abdulaziz Univ, NAAM Res Grp, Dept Math, Fac Sci, Jeddah 21589, Saudi Arabia
4.North China Elect Power Univ, State Key Lab Alternate Elect Power Syst Renewabl, Beijing 102206, Peoples R China
5.Quaid I Azam Univ, Dept Math, Islamabad 44000, Pakistan
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Liu, Guozhen,Zhu, Liangzheng,Zheng, Haiying,et al. Highly efficient and humidity stable perovskite solar cells achieved by introducing perovskite-like metal formate material as the nanocrystal scaffold[J]. JOURNAL OF POWER SOURCES,2018,402:229-236.
APA Liu, Guozhen.,Zhu, Liangzheng.,Zheng, Haiying.,Xu, Xiaoxiao.,Alsaedi, Ahmed.,...&Dai, Songyuan.(2018).Highly efficient and humidity stable perovskite solar cells achieved by introducing perovskite-like metal formate material as the nanocrystal scaffold.JOURNAL OF POWER SOURCES,402,229-236.
MLA Liu, Guozhen,et al."Highly efficient and humidity stable perovskite solar cells achieved by introducing perovskite-like metal formate material as the nanocrystal scaffold".JOURNAL OF POWER SOURCES 402(2018):229-236.
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