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A Rutile TiO2 Electron Transport Layer for the Enhancement of Charge Collection for Efficient Perovskite Solar Cells
Wang, Yongling1,2; Wan, Jiawei1; Ding, Jie2,3; Hu, Jin-Song2,3; Wang, Dan1,2
2019-07-08
Source PublicationANGEWANDTE CHEMIE-INTERNATIONAL EDITION
ISSN1433-7851
Volume58Issue:28Pages:9414-9418
Abstract

Interfacial charge collection efficiency has demonstrated significant effects on the power conversion efficiency (PCE) of perovskite solar cells (PSCs). Herein, crystalline phase-dependent charge collection is investigated by using rutile and anatase TiO2 electron transport layer (ETL) to fabricate PSCs. The results show that rutile TiO2 ETL enhances the extraction and transportation of electrons to FTO and reduces the recombination, thanks to its better conductivity and improved interface with the CH3NH3PbI3 (MAPbI(3)) layer. Moreover, this may be also attributed to the fact that rutile TiO2 has better match with perovskite grains, and less trap density. As a result, comparing with anatase TiO2 ETL, MAPbI(3) PSCs with rutile TiO2 ETL delivers significantly enhanced performance with a champion PCE of 20.9% and a large open circuit voltage (V-OC) of 1.17V.

KeywordElectron Lifetime Interfaces Open Circuit Voltage Perovskite Solar Cells Rutile Tio2
DOI10.1002/anie.201902984
Language英语
WOS KeywordHollow Microspheres ; Performance ; Films
Funding ProjectNational Natural Science Foundation of China[21590795] ; National Natural Science Foundation of China[21820102002] ; National Natural Science Foundation of China[51802306] ; Scientific Instrument Developing Project of the Chinese Academy of Sciences[YZ201623] ; Queensland-Chinese Academy of Sciences Collaborative Science Fund[122111KYSB20170001] ; Chinese Academy of Sciences (CAS) Interdisciplinary Innovation Team
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China ; Scientific Instrument Developing Project of the Chinese Academy of Sciences ; Queensland-Chinese Academy of Sciences Collaborative Science Fund ; Chinese Academy of Sciences (CAS) Interdisciplinary Innovation Team
WOS IDWOS:000476610900015
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/30408
Collection中国科学院过程工程研究所
Corresponding AuthorHu, Jin-Song; Wang, Dan
Affiliation1.Chinese Acad Sci, State Key Lab Biochem Engn, Inst Proc Engn, 1 North 2nd St, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Chinese Acad Sci, BNLMS, CAS Key Lab Mol Nanostruct & Nanotechnol, Inst Chem, Zhongguancun North First St 2, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yongling,Wan, Jiawei,Ding, Jie,et al. A Rutile TiO2 Electron Transport Layer for the Enhancement of Charge Collection for Efficient Perovskite Solar Cells[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2019,58(28):9414-9418.
APA Wang, Yongling,Wan, Jiawei,Ding, Jie,Hu, Jin-Song,&Wang, Dan.(2019).A Rutile TiO2 Electron Transport Layer for the Enhancement of Charge Collection for Efficient Perovskite Solar Cells.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,58(28),9414-9418.
MLA Wang, Yongling,et al."A Rutile TiO2 Electron Transport Layer for the Enhancement of Charge Collection for Efficient Perovskite Solar Cells".ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 58.28(2019):9414-9418.
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