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Synergistic Tandem Solar Electricity-Water Generators

Open access
Xu, Ning, Zhu, Pengchen, Sheng, Yun, Zhou, Lin, Li, Xiuqiang, Tan, Hairen, Zhu, Shining, Zhu, Jia·2020·Joule

Abstract

Summary Energy and clean water are two intertwined fundamental elements for human civilization and sustainable development. Here, we devise a monolithic tandem solar electricity-water generator that synergistically produces electricity and clean water by utilizing the full spectrum of solar irradiance. The tandem generator has two components: a top infrared-transparent photovoltaic device using above-band-gap photons, and a bottom solar water purifier using the below-band-gap photons. More strikingly, a well-designed water-proof thermal interconnecting layer (WTIL) makes these two components work synergistically: the bottom purifier serves as an evaporative cooler of the top solar cell to increase its efficiency, whereas the thermalization energy of the top cell is reutilized by the bottom purifier for producing more clean water. We experimentally demonstrate that a prototype hybrid tandem solar device with WTIL can generate electricity with a power output of 204 W m−2 and purify water at a rate of 0.80 kg m−2 h−1 under 1-sun illumination.

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Metadata

Authors
Xu, N., Zhu, P., Sheng, Y., Zhou, L., Li, X., Tan, H., Zhu, S., & Zhu, J.
Venue
Joule
Publisher
Elsevier BV
Published
2020-02
Volume
4
Issue
2
Pages
347-358
ISSN
2542-4351 (ISSN-L)
OpenAlex
W2999131814
Cited by
176
References
2
FWCI
3.90
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Synergistic Tandem Solar Electricity-Water Generators. https://app.cochat.ai/papers/10.1016/j.joule.2019.12.010
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Xu, N., Zhu, P., Sheng, Y., Zhou, L., Li, X., Tan, H., Zhu, S., & Zhu, J. (2020). Synergistic Tandem Solar Electricity-Water Generators. Joule. https://doi.org/10.1016/j.joule.2019.12.010

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