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An inverted BiI3/PCBM binary quasi-bulk heterojunction solar cell with a power conversion efficiency of 1.50%

文献类型：期刊论文

作者Kang, Jian1; Chen, Shan1; Zhao, Xiaole1; Yin, Huajie1; Zhang, Weiping1; Al-Mamun, Mohammad1; Liu, Porun1; Wang, Yun1; Zhao, Huijun1,2
刊名NANO ENERGY
出版日期2020-07-01
卷号73
ISSN号2211-2855
关键词BiI3 Exciton separation Electron acceptor Quasi-bulk heterojunction Solar cells
DOI10.1016/j.nanoen.2020.104799
通讯作者Chen, Shan(shan.chen@griffith.edu.au) ; Zhao, Huijun(h.zhao@griffith.edu.au)
英文摘要The use of toxic Pb hinders the widespread applications of lead halide perovskite solar cells, sparking an upsurge effort to develop lead-free solar cells. This work reports a facile low-temperature solution processed bismuth triiodide (BiI3)/[6,6]-phenyl-C-61-butyric acid methyl ester (PCBM) binary quasi-bulk heterojunction (BQ-BH) solar cell. The BiI3 and PCBM layers are innovatively utilized as the electron donor and acceptor to form a BQ-BH that promotes the separation of the excitons. The effective separation of excitons at the BiI3/PCBM BQ-BH is experimentally confirmed by the Kelvin probe force microscopy. An optimized inverted BiI3/PCBM BQ-BH solar cell can achieve a champion power conversion efficiency of 1.50% with a record short-circuit current density of 8.76 mA cm(-2.) The findings of this work confirm that the separation of excitons can be effectively promoted by inducing a suitable electron donor/acceptor type of BQ-BH, providing a new means to enhance the performance of BiI3-based solar cells.
WOS关键词EXCITON BINDING-ENERGY ; OPEN-CIRCUIT VOLTAGE ; SOLVENT ; TEMPERATURE ; BIL(3) ; FILMS
资助项目Australian Research Council (ARC) ; Griffith University Postdoctoral Fellowship ; National Natural Science Foundation of China[51372248] ; National Natural Science Foundation of China[51432009] ; CAS/SAFEA International Partnership Program for Creative Research Teams of Chinese Academy of Sciences, China
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
语种英语
出版者ELSEVIER
WOS记录号WOS:000560077100004
资助机构Australian Research Council (ARC) ; Griffith University Postdoctoral Fellowship ; National Natural Science Foundation of China ; CAS/SAFEA International Partnership Program for Creative Research Teams of Chinese Academy of Sciences, China
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/102907]  
专题中国科学院合肥物质科学研究院
通讯作者Chen, Shan; Zhao, Huijun
作者单位1.Griffith Univ, Ctr Clean Environm & Energy, Gold Coast Campus, Brisbane, Qld 4222, Australia
2.Chinese Acad Sci, Inst Solid State Phys, CAS Ctr Excellence Nanosci, Ctr Environm & Energy Nanomat, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714		 Kang, Jian,Chen, Shan,Zhao, Xiaole,et al. An inverted BiI3/PCBM binary quasi-bulk heterojunction solar cell with a power conversion efficiency of 1.50%[J]. NANO ENERGY,2020,73.
APA Kang, Jian.,Chen, Shan.,Zhao, Xiaole.,Yin, Huajie.,Zhang, Weiping.,...&Zhao, Huijun.(2020).An inverted BiI3/PCBM binary quasi-bulk heterojunction solar cell with a power conversion efficiency of 1.50%.NANO ENERGY,73.
MLA Kang, Jian,et al."An inverted BiI3/PCBM binary quasi-bulk heterojunction solar cell with a power conversion efficiency of 1.50%".NANO ENERGY 73(2020).

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来源：合肥物质科学研究院

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