NIMTE OpenIR  > 2018专题
Heterojunction solar cells with asymmetrically carrier-selective contact structure of molybdenum-oxide/silicon/magnesium-oxide
Yu, Jing; Fu, Yangming; Zhu, Liqiang; Yang, Zhenhai; Yang, Xi; Ding, Li; Zeng, Yuheng; Yan, Baojie; Tang, Jiang; Gao, Pingqi; Ye, Jichun
2018
Source PublicationSOLAR ENERGY
Volume159Pages:704-709
AbstractNew functional materials that are constantly introduced into carrier-selective contacts (CSCs), which allow one type of carrier passing through while blocking the other type via energy band alignment at contact region, promote the fabrication of crystalline silicon (c-Si) solar cells towards low-temperature and dopant-free. Here, electron-beam-evaporated molybdenum oxide (MoOx) and magnesium oxide (MgOx) are directly deposited upon the front and rear surface of c-Si substrates, respectively, to form CSCs with asymmetric band offset for holes and electrons. Contact resistivity, passivation effect, interfacial structures and chemical states for both MoOx/c-Si and MgOx/c-Si are systematically characterized. Considering good carrier-selectivity at the front and the rear side, the optimum thickness in terms of contact resistivity and photovoltaic performance is 10 nm for MoOx and 1.5 nm for MgOx, respectively. Finally, an efficiency over 14% for the planar MoOx/c-Si/MgOx heterojunction solar cells is achieved, demonstrating huge economic potential in fabrication procedure over conventional high temperature diffused homojunction solar cells.
KeywordTransition-metal Oxides Layer Transparent Performance Interlayer Emitter Devices Moox
Subject AreaEnergy & Fuels
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/16928
Collection2018专题
Recommended Citation
GB/T 7714
Yu, Jing,Fu, Yangming,Zhu, Liqiang,et al. Heterojunction solar cells with asymmetrically carrier-selective contact structure of molybdenum-oxide/silicon/magnesium-oxide[J]. SOLAR ENERGY,2018,159:704-709.
APA Yu, Jing.,Fu, Yangming.,Zhu, Liqiang.,Yang, Zhenhai.,Yang, Xi.,...&Ye, Jichun.(2018).Heterojunction solar cells with asymmetrically carrier-selective contact structure of molybdenum-oxide/silicon/magnesium-oxide.SOLAR ENERGY,159,704-709.
MLA Yu, Jing,et al."Heterojunction solar cells with asymmetrically carrier-selective contact structure of molybdenum-oxide/silicon/magnesium-oxide".SOLAR ENERGY 159(2018):704-709.
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