New solar thermophotovoltaic emitter photonic crystals operate at temperatures more than 1000˚C. Materials include tungsten, tungsten coated with hafnium dioxide, and hafnium dioxide.
Read MoreNew solar thermophotovoltaic emitter photonic crystals operate at temperatures more than 1000˚C. Materials include tungsten, tungsten coated with hafnium dioxide, and hafnium dioxide.
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