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Interface Engineering of a Compatible PEDOT Derivative Bilayer for High-Performance Inverted Perovskite Solar Cells
Bao, Xichang1; Wang, Junyi1,2; Li, Yuan3; Zhu, Dangqiang1; Wu, Ying3; Guo, Peipei4; Wang, Xuefei2; Zhang, Yongchao1; Wang, Jiuxing1; Yip, Hin-Lap4; Yang, Renqiang1
2017-03-23
Source PublicationADVANCED MATERIALS INTERFACES
Volume4Issue:6
AbstractInterface engineering is an important aspect for the improvement of perovskite solar cells (PVSCs). The hole transport layer with good interface contact, transport capability, and matched energy level is indispensable and critical for high-performance photovoltaic devices. Herein, anode interface engineering with an excellent compatible bilayer of poly(3,4-ethylene dioxythiophene): poly(styrenesulfo-nate)/poly(3,4-ethylene dioxythiophene) (PEDOT:PSS/PEDOT) doped with grafted sulfonated-acetone-formaldehyde lignin (PEDOT:GSL) via a low-temperature and water-soluble process is presented. As a water-processable interface material, PEDOT:GSL exhibits higher conductivity, as well as better structural and electronic homogeneities compared with PEDTO:PSS. Consequently, the PEDOT:PSS/PEDOT:GSL bilayer with tuned energy level, optical properties, and the combination of the trap passivation of GSL at the anode/perovskite interface can greatly improve charge extraction ability and reduce the interface recombination. Simultaneously, the homogeneous perovskite film is fabricated through optimizing the annealing process. The device with the power conversion efficiency up to 17.80% is achieved, with 32.6% improvement compared to PEDOT:PSS-only device (13.42%). Our success to achieve high-performance inverted PVSCs provides new understanding of PEDOT:PSS, and also new guidelines for anode interface engineering to further advancement of PVSCs. This promising approach paves the way to realize solution processable highly efficient PVSCs for potential practical applications.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1002/admi.201600948
WOS KeywordPOWER CONVERSION EFFICIENCY ; INORGANIC HOLE CONDUCTOR ; TRANSPORTING LAYER ; OXIDE ; HYSTERESIS ; STABILITY ; ABSORBER
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Materials Science
Funding OrganizationNational Natural Science Foundation of China(51573205 ; Ministry of Science and Technology of China(2014CB643501 ; Youth Innovation Promotion Association CAS(2016194) ; 51173199) ; 2010DFA52310)
WOS SubjectChemistry, Multidisciplinary ; Materials Science, Multidisciplinary
WOS IDWOS:000399031700007
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/9287
Collection先进有机功能材料研究组
Affiliation1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem & Chem Engn, Beijing 100049, Peoples R China
3.South China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510641, Guangdong, Peoples R China
4.South China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510641, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Bao, Xichang,Wang, Junyi,Li, Yuan,et al. Interface Engineering of a Compatible PEDOT Derivative Bilayer for High-Performance Inverted Perovskite Solar Cells[J]. ADVANCED MATERIALS INTERFACES,2017,4(6).
APA Bao, Xichang.,Wang, Junyi.,Li, Yuan.,Zhu, Dangqiang.,Wu, Ying.,...&Yang, Renqiang.(2017).Interface Engineering of a Compatible PEDOT Derivative Bilayer for High-Performance Inverted Perovskite Solar Cells.ADVANCED MATERIALS INTERFACES,4(6).
MLA Bao, Xichang,et al."Interface Engineering of a Compatible PEDOT Derivative Bilayer for High-Performance Inverted Perovskite Solar Cells".ADVANCED MATERIALS INTERFACES 4.6(2017).
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