Journal
SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume 200, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.solmat.2019.110043
Keywords
Hierarchical K2Mn4O8; PVDFM; Interfacial evaporator; Photothermal conversion; Solar vapor generation
Funding
- U.S. National Science Foundation [DMR-1609061]
- College of Arts and Sciences, University of Missouri -Kansas City
- National Key RAMP
- D Program of China [2016YFB0300704]
- State Key Development Program for Basic Research of China [2014CB643306]
- NSF of Shanghai [17ZR1440900, 19ZR1422200]
- Doctoral Innovation Foundation of SMU [2016ycx037]
- Doctoral Excellent Thesis Project Foundation of SMU [2017BXLP005]
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Hierarchical K2Mn4O8 nanoflowers synthesized by a facile, fast, high-yield and low-cost molten salt method (MSM), have been investigated as a photothermal conversion material for solar vapor generation for the first time. Loading K2Mn4O8 into microporous poly(vinylidene fluoride) membrane (PVDFM) forms a K2Mn4O8/ PVDFM composite evaporator. This evaporator shows high solar-to-vapor conversion efficiencies of similar to 80.8% and similar to 91.2% under 1 sun and 4 sun irradiation, respectively, and a stable solar vapor generation performance. Therefore, this evaporator has shown a promising potential for interfacial solar vapor generation.
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