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Enhanced Thermal Stability on Multi-Metal Filled Cermet Based Spectrally Selective Solar Absorbers

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A spectrally selective solar absorber is described and comprises a substrate, double cermet layers comprising multi-metal nanoparticles embedded in a dielectrics matrix, and double antireflection layers deposited on cermet layers. The tungsten or titanium or tantalum infrared reflector layer suppressing the diffusion of substrate elements and multi-metal nanoparticles in the cermet are disclosed.
Ren, Zhifeng (Houston, TX), Cao, Feng (Houston, TX), Kraemer, Daniel (Cambridge, MA), Chen, Gang (Cambridge, MA)
University of Houston System (Houston TX), Massachusetts Institute of Technology (Cambridge MA)
15/ 520,026
September 29, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This work was partially supported by "Concentrated Solar Thermoelectric Power (CSP)", DOE SunShot CSP grant, under award number DE-EE0005806 and "Solid State Solar-Thermal Energy Conversion Center (S.sup.3TEC)," an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Science under award number DE-SC0001299/DE-FG02-09ER46577 (GC and ZFR).