QIBEBT-IR
Controllable Spatial Configuration on Cathode Interface for Enhanced Photovoltaic Performance and Device Stability
Li, Jiangsheng1; Duan, Chenghao1; Wang, Ning1,3; Zhao, Chengjie1; Han, Wei2; Jiang, Li2,3; Wang, Jizheng2,3; Zhao, Yingjie4; Huang, Changshui1,3; Jiu, Tonggang1,3
2018-05-23
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Volume10Issue:20Pages:17401-17408
AbstractThe molecular structure of cathode interface modification materials can affect the surface morphology of the active layer and key electron transfer processes occurring at the interface of polymer solar cells in inverted structures mostly due to the change of molecular configuration. To investigate the effects of spatial configuration of the cathode interfacial modification layer on polymer solar cells device performances, we introduced two novel organic ionic salts (linear NS2 and three-dimensional (3D) NS4) combined with the ZnO film to fabricate highly efficient inverted solar cells. Both organic ionic salts successfully decreased the surface traps of the ZnO film and made its work function more compatible. Especially NS4 in three-dimensional configuration increased the electron mobility and extraction efficiency of the interfacial film, leading to a significant improvement of device performance. Power conversion efficiency (PCE) of 10.09% based on NS4 was achieved. Moreover, 3D interfacial modification could retain about 92% of its initial PCE over 160 days. It is proposed that 3D interfacial modification retards the element penetration-induced degradation without impeding the electron transfer from the active layer to the ZnO film, which significantly improves device stability. This indicates that inserting three-dimensional organic ionic salt is an efficient strategy to enhance device performance.
SubtypeArticle
KeywordControllable Spatial Configuration Organic Ionic Salts Zno Cathode Buffer Layer Polymer Solar Cells
WOS HeadingsScience & Technology ; Technology
DOI10.1021/acsami.7b19429
WOS KeywordPOLYMER SOLAR-CELLS ; ELECTRON-TRANSPORT LAYER ; MOLECULAR-STRUCTURE ; EFFICIENCY ENHANCEMENT ; CONVERSION EFFICIENCY ; BUFFER LAYERS ; ZNO ; POLYELECTROLYTE ; FILM ; INTERLAYER
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics ; Materials Science
Funding OrganizationNatural Science Foundation of China(51672288) ; Major Basic Research Program of Shandong Natural Science Foundation(ZR2017ZB0313) ; DICP QIBEBT, Dalian National Laboratory For Clean Energy(UN201705) ; Youth Innovation Promotion Association (CAS)
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000433404100054
PublisherAMER CHEMICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/11462
Collection中国科学院青岛生物能源与过程研究所
Corresponding AuthorJiu, Tonggang
Affiliation1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China
2.Chinese Acad Sci, Inst Chem, BNLMS, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Qingdao Univ Sci & Technol, Qingdao 266042, Peoples R China
Recommended Citation
GB/T 7714
Li, Jiangsheng,Duan, Chenghao,Wang, Ning,et al. Controllable Spatial Configuration on Cathode Interface for Enhanced Photovoltaic Performance and Device Stability[J]. ACS APPLIED MATERIALS & INTERFACES,2018,10(20):17401-17408.
APA Li, Jiangsheng.,Duan, Chenghao.,Wang, Ning.,Zhao, Chengjie.,Han, Wei.,...&Jiu, Tonggang.(2018).Controllable Spatial Configuration on Cathode Interface for Enhanced Photovoltaic Performance and Device Stability.ACS APPLIED MATERIALS & INTERFACES,10(20),17401-17408.
MLA Li, Jiangsheng,et al."Controllable Spatial Configuration on Cathode Interface for Enhanced Photovoltaic Performance and Device Stability".ACS APPLIED MATERIALS & INTERFACES 10.20(2018):17401-17408.
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