Luminescent properties and stability of europium ions in Ca2BO3Cl:Eu

We have studied the luminescent properties of Eu 2+ and Eu 3+ in the calcium chloride borate Ca 2 BO 3 Cl under optical and synchrotron excitation. The results demonstrate that a reductant should be present during synthesis in order to stabilize Eu 2+ in Ca 2 BO 3 Cl and provide insight into the fac...

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Bibliographic Details
Published inInorganic materials Vol. 48; no. 5; pp. 539 - 543
Main Authors Berezovskaya, I. V., Efryushina, N. P., Voloshinovskii, A. S., Vdovenko, S. I., Kovalevskaya, I. P., Dotsenko, V. P.
Format Journal Article
LanguageEnglish
Published Dordrecht SP MAIK Nauka/Interperiodica 01.05.2012
Subjects
Chemistry
Chemistry and Materials Science
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Materials Science
Luminescence Decay Curve
Luminescent Property
Luminescence Excitation Spectrum
White Light Emit Diode
Optical Absorption Edge
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Summary:We have studied the luminescent properties of Eu 2+ and Eu 3+ in the calcium chloride borate Ca 2 BO 3 Cl under optical and synchrotron excitation. The results demonstrate that a reductant should be present during synthesis in order to stabilize Eu 2+ in Ca 2 BO 3 Cl and provide insight into the factors responsible for the long-wavelength position of the luminescence band (λ max = 577 nm) and the relatively low Eu 2+ stability in Ca 2 BO 3 Cl.
ISSN:0020-1685
1608-3172
DOI:10.1134/S0020168512050032