INORGANIC LUMINESCENT MATERIALS FOR SOLAR RADIATION CONVERSION DEVICES

• Main Authors: JUNG, Ana, VAN DEN BERG, Otto, KAO, Chung-che, VAN OVERBEEK, Sadiq
• Format: Patent
• Language: English
• Published: 28.01.2021
• Subjects: ADHESIVES; BASIC ELECTRIC ELEMENTS; CHEMISTRY; DYES; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; POLISHES; SEMICONDUCTOR DEVICES

A device for converting solar radiation is described wherein the device comprises an inorganic luminescent material comprising a host material doped with Mn5+ ions for converting radiation of the UV and/or visible part of the electromagnetic spectrum into radiation of the near-infrared radiation part of the electromagnetic spectrum, preferably the infrared part between 1150 nm and 1250 nm, preferably around 1190 nm (the infrared emission peak of Mn5+); or, an amorphous host material doped with Sm2+ or Tm2+ ions, the amorphous host material including the elements Al, Si, O and N (SiAlON) for converting radiation of the UV and/or visible part of the electromagnetic spectrum into radiation of a longer wavelength, preferably a longer wavelength between 650 nm and 800 nm or a longer wavelength of around 1140 nm; and, at least one photovoltaic device for converting at least part of the converted radiation into electrical power.