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Nonconjugated Polymer Poly(vinylpyrrolidone) as an Efficient Interlayer Promoting Electron Transport for Perovskite Solar Cells
Zhou, Pengcheng1; Fang, Zhimin1; Zhou, Weiran1; Qiao, Qiquan2; Wang, Mingtai3; Chen, Tao1; Yang, Shangfeng1
2017-09-27
Source PublicationACS APPLIED MATERIALS & INTERFACES
Volume9Issue:38Pages:32957-32964
AbstractThe interfaces between perovskite layer and electrodes play a crucial role on efficient charge transport and extraction in perovskite solar cells (PSCs). Herein, for,the first time we applied a low-cost nonconjugated polymer 15 poly(vinylpyrrolidone) (PVP) as a new interlayer between PCBM electron transport layer (ETL) and Ag cathode for high-performance inverted planar heterojunction perovskite solar cells (iPSCs), leading to a dramatic efficiency enhancement. The CH3NH3PbI3-xClx-based iPSC device incorporating the PVP interlayer exhibited a power conversion efficiency (PCE) of 12.55%, Which is enhanced by similar to 1.5.9% relative,to that of the control device without PVP interlayer (10.83%). The mechanistic investigations based on morphological, optical, and impedance spectroscopic characterizations reveal that incorporation of PVP interlayer promotes electron transport across the CH3NH3PbI3-xClx perovskite/Ag interface via PCBMETL. Besides, PVP incorporation induces the formation of a dipole layer, which may enhance the built-in potential across the device, conjunctly promoting electron transport from PCBM to Ag cathode and consequently leading to significantly improved fill factor (FF) from 58.98 to 66.13%.
SubtypeArticle
KeywordPerovskite Solar Cells Poly(Vinylpyrrolidone) Interface Engineering Electron Transport Layer Dipole Layer
WOS HeadingsScience & Technology ; Technology
Funding OrganizationNational Key Research and Development Program of China(2017YFA0402800) ; National Natural Science Foundation of China(21371164 ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology(2016FXZY003) ; Fundamental Research Funds for the Central Universities(WK3430000002 ; 51572254 ; WK2060140023) ; 11474286) ; National Key Research and Development Program of China(2017YFA0402800) ; National Natural Science Foundation of China(21371164 ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology(2016FXZY003) ; Fundamental Research Funds for the Central Universities(WK3430000002 ; 51572254 ; WK2060140023) ; 11474286)
DOI10.1021/acsami.7b12135
WOS KeywordCATHODE BUFFER LAYER ; OPEN-CIRCUIT VOLTAGE ; PERFORMANCE ; ENHANCEMENT ; CRYSTALLIZATION ; PCBM ; FULLERENE ; CONTACT ; GROWTH ; ENERGY
Indexed BySCI
Language英语
Funding OrganizationNational Key Research and Development Program of China(2017YFA0402800) ; National Natural Science Foundation of China(21371164 ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology(2016FXZY003) ; Fundamental Research Funds for the Central Universities(WK3430000002 ; 51572254 ; WK2060140023) ; 11474286) ; National Key Research and Development Program of China(2017YFA0402800) ; National Natural Science Foundation of China(21371164 ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology(2016FXZY003) ; Fundamental Research Funds for the Central Universities(WK3430000002 ; 51572254 ; WK2060140023) ; 11474286)
WOS Research AreaScience & Technology - Other Topics ; Materials Science
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000412149800059
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/33780
Collection应用技术研究所
Affiliation1.Chinese Acad Sci, Univ Sci & Technol China,Dept Mat Sci & Engn, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei Natl Lab Phys Sci Microscale,Key Lab Mat En, Hefei 230026, Anhui, Peoples R China
2.South Dakota State Univ, Dept Elect Engn & Comp Sci, Ctr Adv Photovolta, Brookings, SD 57007 USA
3.Chinese Acad Sci, Hefei Inst Phys Sci, Inst Appl Technol, Hefei 230088, Anhui, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Pengcheng,Fang, Zhimin,Zhou, Weiran,et al. Nonconjugated Polymer Poly(vinylpyrrolidone) as an Efficient Interlayer Promoting Electron Transport for Perovskite Solar Cells[J]. ACS APPLIED MATERIALS & INTERFACES,2017,9(38):32957-32964.
APA Zhou, Pengcheng.,Fang, Zhimin.,Zhou, Weiran.,Qiao, Qiquan.,Wang, Mingtai.,...&Yang, Shangfeng.(2017).Nonconjugated Polymer Poly(vinylpyrrolidone) as an Efficient Interlayer Promoting Electron Transport for Perovskite Solar Cells.ACS APPLIED MATERIALS & INTERFACES,9(38),32957-32964.
MLA Zhou, Pengcheng,et al."Nonconjugated Polymer Poly(vinylpyrrolidone) as an Efficient Interlayer Promoting Electron Transport for Perovskite Solar Cells".ACS APPLIED MATERIALS & INTERFACES 9.38(2017):32957-32964.
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