Thermoplasmonic and Photothermal Metamaterials for Solar Energy Applications
- Thermoplasmonic and Photothermal Metamaterials for Solar Energy Applications
- 강구민; 신동혁; Prince Gupta; Sawaswati Behera; 이형석; Augustine M. Urbas; Wounjhang Park; 김경식
- metamaterials; solar steam generation; solar thermophotovoltaics; thermal upconversion; thermoplasmonics
- Issue Date
- Advanced optical materials
- VOL 6, NO 18-1800317-26
- Sunlight is one of the Earth’s clean and sustainable natural energy resources, and extensive studies are conducted on the conversion of solar energy into electricity using photovoltaic (PV) devices. However, single-junction PV devices cannot break the theoretical effciency limit known as the Shockley– Queisser limit that is caused by the sub-bandgap transmission and heat dissipation losses in semiconductors. Solar thermal conversion approaches may provide an alternative way to exceed this limit and enable more effcient use of solar light than that in PV devices. Recently, spectrally or thermally engineered metamaterials have attracted considerable attention for solar energy applications because of their excellent physical properties. The recent research progress in the development of these photothermal and thermoplasmonic metamaterials, along with their promising applications in solar thermophotovoltaics, radiative cooling, and solar desalination, is discussed.
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