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| Home > Publications database > Post-deposition catalytic-doping of microcrystalline silicon thin layer for application in silicon heterojunction solar cell |
| Journal Article | FZJ-2017-05935 |
; ; ;
2017
Elsevier
Amsterdam [u.a.]
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Please use a persistent id in citations: doi:10.1016/j.tsf.2017.02.003
Abstract: The silicon heterojunction (SHJ) solar cell is one of the most promising candidates for the next-generation high-efficiency mainstream photovoltaic technology. It consists of a crystalline silicon wafer coated with a stack of functional thin-films on both sides. Conventionally, intrinsic and doped hydrogenated amorphous silicon (a-Si:H) is used as the passivation layer and emitter or back surface field (BSF), respectively. Hydrogenated microcrystalline silicon (μc-Si:H) is considered as a more advantageous alternative to the a-Si:H emitter and BSF layers due to μc-Si:H's higher electrical conductivity giving rise to lower series resistance. In this contribution, we use the catalytic doping process, so-called “Cat-doping”, to post-dope n-μc-Si:H thin-layers in such a way that the conductivity can be increased to higher levels than those achievable in as-grown n-μc-Si:H for the application in SHJ solar cells. We show that the conductivity of the μc-Si:H films notably increases after the Cat-doping. We also investigated the impact of Cat-doping on the conductivity of the different μc-Si:H and on lifetime.
; Current Contents - Engineering, Computing and Technology ; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; IF < 5 ; JCR ; Nationallizenz
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