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题名: E-beam evaporated Nb2O5 as an effective electron transport layer for large flexible perovskite solar cells
作者: Feng, Jiangshan1, 2, 3;  Yang, Zhou1, 2, 3;  Yang, Dong1, 2, 3;  Ren, Xiaodong1, 2, 3;  Zhu, Xuejie1, 2, 3;  Jin, Zhiwen1, 2, 3;  Zi, Wei1, 2, 3;  Wei, Qingbo1, 2, 3;  Liu, Shengzhong (Frank)1, 2, 3, 4, 5
关键词: Perovskite ;  Solar cell ;  e-beam evaporation ;  Flexible
刊名: NANO ENERGY
发表日期: 2017-06-01
DOI: 10.1016/j.nanoen.2017.04.010
卷: 36, 页:1-8
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary ;  Physics, Applied
研究领域[WOS]: Chemistry ;  Science & Technology - Other Topics ;  Materials Science ;  Physics
英文摘要: E-beam evaporated Nb2O5 film is directly used as an effective electron transport layer (ETL) for perovskite solar cells without needing any posttreatment. The effect of Nb2O5 thickness on optical and electronic properties of the perovskite layer deposited thereupon are studied in detail. It is found that 60 nm thick Nb2O5 ETL delivers the best photovoltaic performance with PCE as high as 18.59%. In particular, e-beam evaporated Nb2O5 is found to be advantageous in large area flexible perovskite solar cells, with larger area cells showing comparable Jsc and Voc values as smaller area devices, and the PCE loss is mainly caused by increased series resistance leading to reduced FF. With proper cell design to limit the resistance and associated FF loss, it is expected that the large area cells should present respectable FF and PCEs as their smaller area devices.
关键词[WOS]: TIO2 COMPACT LAYER ;  CHARGE EXTRACTION ;  EFFICIENT ;  PERFORMANCE ;  CH3NH3PBI3 ;  GROWTH ;  THIN ;  DEPOSITION ;  CRYSTALS ;  FILMS
语种: 英语
WOS记录号: WOS:000402704000001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/152183
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Shaanxi Normal Univ, Natl Minist Educ, Key Lab Appl Surface & Colloid Chem, Xian 710119, Peoples R China
2.Shaanxi Normal Univ, Sch Mat Sci & Engn, Shaanxi Key Lab Adv Energy Devices, Xian 710119, Peoples R China
3.Shaanxi Normal Univ, Sch Mat Sci & Engn, Shaanxi Engn Lab Adv Energy Technol, Xian 710119, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
5.Chinese Acad Sci, Dalian Inst Chem Phys, iChEM, Dalian 116023, Peoples R China

Recommended Citation:
Feng, Jiangshan,Yang, Zhou,Yang, Dong,et al. E-beam evaporated Nb2O5 as an effective electron transport layer for large flexible perovskite solar cells[J]. NANO ENERGY,2017,36:1-8.
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