Journal
GLOBAL CHALLENGES
Volume 5, Issue 1, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/gch2.202000055
Keywords
clean water; nanoenabled; photothermal; steam generation
Categories
Funding
- National Key R&D Program of China [2016YFA0200200]
- Wuhan Science and Technology Bureau of China [2018010401011280]
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The revival of solar-powered water evaporation technology in recent years is due to the use of nanoenabled photothermal absorbers. These cutting-edge materials allow for high efficiency in utilizing solar radiation for water evaporation. Challenges remain in integrating all necessary functions into a single photothermal layer for effective clean water production in remote areas.
Solar-powered water evaporation is a primitive technology but interest has revived in the last five years due to the use of nanoenabled photothermal absorbers. The cutting-edge nanoenabled photothermal materials can exploit a full spectrum of solar radiation with exceptionally high photothermal conversion efficiency. Additionally, photothermal design through heat management and the hierarchy of smooth water-flow channels have evolved in parallel. Indeed, the integration of all desirable functions into one photothermal layer remains an essential challenge for an effective yield of clean water in remote-sensing areas. Some nanoenabled photothermal prototypes equipped with unprecedented water evaporation rates have been reported recently for clean water production. Many barriers and difficulties remain, despite the latest scientific and practical implementation developments. This Review seeks to inspire nanoenvironmental research communities to drive onward toward real-time solar-driven clean water production.
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