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Title: Compositions for cooling materials exposed to the sun

The present invention provides for a composition comprising a pigment, wherein the composition is suitable for coating a surface that is, or is expected to be, exposed to the sun. The pigment comprises particles that fluoresce in sunlight, thereby remaining cooler in the sun than coatings pigmented with non-fluorescent particles. The particles comprise solids that fluoresce or glow in the visible or near infrared (NIR) spectra, or that fluoresce when doped. Suitable dopants include, but are not limited to, ions of rare earths and transition metals.
Inventors:
Issue Date:
OSTI Identifier:
1494589
Assignee:
The Regents of the University of California (Oakland, CA) LBNL
Patent Number(s):
10,131,838
Application Number:
14/675,328
Contract Number:
AC02-05CH11231
Resource Relation:
Patent File Date: 2015 Mar 31
Research Org:
Bettis Atomic Power Laboratory (BAPL), West Mifflin, PA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE