2D layer-embedded transparent photovoltaics

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Transparent photovoltaics (TPV) is an efficient and practical way of producing renewable energy. While optimizing visible transmission and light-matter interaction in semiconductors is a critical challenge in the TPV, using two-dimensional (2D) semiconductors has been considered a promising solution for the TPV due to their high quantum yield and stability. The remained challenges with 2D semiconductors for the TPV are non-scalability in the fabrication method and the limited power generation with low open-circuit voltages. Here, we report wafer-scale TPV based on tin sulfide (SnS) with a sulfur-rich nanoplatelet geometry. The sulfur-rich SnS nanoplatelets originate from the unique thermodynamic nature of the growth process from confined tin and sulfur vapors between a solid SnS source and variable substrates in close proximity. The ultraviolet-selective photovoltaics with SnS via proximity vapor transfer demonstrates stable and balanced light-matter interaction: visible transmission of 60%, an open-circuit voltage of 0.7 V, and an output power of 6 mW by a 60 mW light. Our wafer-scale SnS overcomes current issues on stability and visible transmission for practical TPV.
Publisher
ELSEVIER
Issue Date
2020-02
Language
English
Article Type
Article
Citation

NANO ENERGY, v.68, pp.104328

ISSN
2211-2855
DOI
10.1016/j.nanoen.2019.104328
URI
http://hdl.handle.net/10203/280183
Appears in Collection
PH-Journal Papers(저널논문)
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