13 March 2015 Deep red radioluminescence from a divalent bismuth doped strontium pyrophosphate Sr2P2O7:Bi2+
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Proceedings Volume 9364, Oxide-based Materials and Devices VI; 936423 (2015) https://doi.org/10.1117/12.2086607
Event: SPIE OPTO, 2015, San Francisco, California, United States
Abstract
Scintillation materials have been used widely in either military or civil areas, but most of them emit lights in the spectral range of ultraviolet or visible. There are few candidates with an emission in the spectral range of 650 to 1200nm. Here, we report a Bi2+ doped phosphor of Sr2P2O7:Bi2+, which once exposed to X-ray can emit deep red peaking at ~700nm due to the typical 2P3/2 to 2P1/2 transition of Bi2+. Deep red radioluminescence manifests the potential application of the phosphor as implantable scintillator for instance or other sensor which can obtain real time dose information and reduce serious radiation accidents in the case of radiation therapy.
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Liyi Li, Bruno Viana, Thierry Pauporté, Mingying Peng, "Deep red radioluminescence from a divalent bismuth doped strontium pyrophosphate Sr2P2O7:Bi2+", Proc. SPIE 9364, Oxide-based Materials and Devices VI, 936423 (13 March 2015); doi: 10.1117/12.2086607; https://doi.org/10.1117/12.2086607
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