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COLORLESS LUMINESCENT SOLAR CONCENTRATORS USING COLLOIDAL SEMICONDUCTOR NANOCRYSTALS

Disclosed herein are embodiments of a composition comprising a polymer or sol-gel and one or more nanocrystals. The composition is useful as a luminescent solar concentrator. The nanocrystals are dispersed in the polymer or sol-gel matrix so as to reduce or substantially prevent nanocrystal-to-nanocrystal energy transfer and a subsequent reduction in the emission efficiency of the composition. In some embodiments, the polymer matrix comprises an acrylate polymer. Also disclosed herein is a method for making the composition. Devices comprising the composition are disclosed. In some cases the polymer is the waveguide, in others the polymer is applied as a coating on a waveguide. In some examples, the device is a window.


» Number: US2019051779A1 (A1)

» Publication Date: 19//2/14/0

» Applicant: LOS ALAMOS NAT SECURITY LLCâ??[US]

» Inventor: MCDANIEL HUNTERâ??[US]; KLIMOV VICTOR Iâ??[US]

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