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Nanoarray heterojunction and its efficient solar cells without negative impact of photogenerated electric field

文献类型：期刊论文

作者Liu, Rong1,2; Shen, Zhitao3; Wan, Zhiyang1,2; Zhu, Liangxin1,2; Chen, Junwei1; Dong, Chao1; Chen, Wangwei1,2; Cao, Wenbo1,2; Chen, Bin1; Yuan, Xiaogang2,4
刊名COMMUNICATIONS PHYSICS
出版日期2021-08-05
卷号4
ISSN号2399-3650
DOI10.1038/s42005-021-00678-1
通讯作者Chen, Junwei(jwchen@issp.ac.cn) ; Chen, Chong(chongchen@henu.edu.cn) ; Wang, Mingtai(mtwang@ipp.ac.cn)
英文摘要Efficient, stable and low-cost solar cells are being desired for the photovoltaic conversion of solar energy into electricity for sustainable energy production. Nanorod/nanowire arrays of narrow-bandgap semiconductors are the promising light-harvesters for photovoltaics because of their excellent optoelectrical properties. Here, the array of preferentially oriented antimony trisulfide (Sb2S3) single-crystalline nanorods is grown on polycrystalline titania (TiO2) film by a tiny-seed-assisted solution-processing strategy, offering an Sb2S3/TiO2 nanoarray heterojunction system on a large scale. It is demonstrated that the Sb2S3 nanorod growth follows a tiny-seed-governed orientation-competing-epitaxial nucleation/growth mechanism. Using a conjugated polymer hole transporting layer on the heterojunction, we achieve a power conversion efficiency of 5.70% in the stable hybrid solar cell with a preferred p-type/intrinsic/n-type architecture featuring effectively straightforward charge transport channels and no negative impact of photogenerated electric field on device performance. An architecture-dependent charge distribution model is proposed to understand the unique photovoltaic behavior. Photovoltaic devices require reliable and scalable growth methods to produce the constituent materials. Here, the authors report a tiny-seed-assisted solution processing strategy to grow Sb2S3/TiO2 nanoarray heterojunction of which the hybrid solar cell without negative impact of photogenerated electric field exhibits a power efficiency of 5.70%.
WOS关键词BULK HETEROJUNCTIONS ; ENHANCED ABSORPTION ; NANOWIRES ; LIMIT
资助项目National Natural Science Foundation of China[11474286] ; National Natural Science Foundation of China[61704048] ; National Natural Science Foundation of China[11974353] ; National Natural Science Foundation of China[52002373] ; Collaborative Innovation Program of Hefei Science Center, CAS[2020HSC-CIP004] ; HFIPS President Foundation[YZJJZX202018] ; Program for Science and Technology Innovation Talents in Universities of Henan Province[19HASTIT049]
WOS研究方向Physics
语种英语
WOS记录号WOS:000684613800003
出版者NATURE PORTFOLIO
资助机构National Natural Science Foundation of China ; Collaborative Innovation Program of Hefei Science Center, CAS ; HFIPS President Foundation ; Program for Science and Technology Innovation Talents in Universities of Henan Province
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/124309]  
专题中国科学院合肥物质科学研究院
通讯作者Chen, Junwei; Chen, Chong; Wang, Mingtai
作者单位1.Chinese Acad Sci, Inst Solid State Phys, HFIPS, Hefei, Peoples R China
2.Univ Sci & Technol China, Hefei, Peoples R China
3.Henan Univ, Henan Key Lab Photovolta Mat, Kaifeng, Peoples R China
4.Chinese Acad Sci, Inst Plasma Phys, HFIPS, Hefei, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Rong,Shen, Zhitao,Wan, Zhiyang,et al. Nanoarray heterojunction and its efficient solar cells without negative impact of photogenerated electric field[J]. COMMUNICATIONS PHYSICS,2021,4.
APA Liu, Rong.,Shen, Zhitao.,Wan, Zhiyang.,Zhu, Liangxin.,Chen, Junwei.,...&Wang, Mingtai.(2021).Nanoarray heterojunction and its efficient solar cells without negative impact of photogenerated electric field.COMMUNICATIONS PHYSICS,4.
MLA Liu, Rong,et al."Nanoarray heterojunction and its efficient solar cells without negative impact of photogenerated electric field".COMMUNICATIONS PHYSICS 4(2021).

入库方式： OAI收割

来源：合肥物质科学研究院

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