Journal
SCIENTIFIC REPORTS
Volume 9, Issue -, Pages -Publisher
NATURE RESEARCH
DOI: 10.1038/s41598-019-53936-2
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Funding
- National Natural Science Foundation of China [11574080, 91833302]
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In order to obtain the optimal photoelectric properties of vertical stacked MoS2/Si heterostructure solar cells, we propose a theoretical model to address the relationship among film thickness, atomic bond identities and related physical quantities in terms of bond relaxation mechanism and detailed balance principle. We find that the vertical stacked MoS2/Si can form type II band alignment, and its photoelectric conversion efficiency (PCE) enhances with increasing MoS2 thickness. Moreover, the optimal PCE in MoS2/Si can reach 24.76%, inferring that a possible design way can be achieved based on the layered transition metal dichalcogenides and silicon.
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