Abstract

The efficient red material Sr2CeO4:Eu3+ (SCOE) has been studied as a potential thermographic phosphor for application in the single-color fluorescence thermometry technique. The temperature-dependent photoluminescence spectra and the integrated emission intensity of SCOE at different temperatures indicate that this red-light-emitting phosphor is extremely sensitive to ambient temperature. On this basis, we designed another three red materials as potential thermographic phosphors that have higher brightness and temperature sensitivity than SCOE, by means of adding Li+, Na+, and K+ ions into the lattice.

© 2011 Optical Society of America

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