Photoluminescence property of a novel inorganic-organic red emitting phosphor based on Mg/Al/Eu layered double hydroxide

A novel inorganic-organic red light emitting phosphor was synthesized by intercalating a sensitizer anion, terephthalate into Mg/Al/Eu layered double hydroxides through an ion exchange method. The basal spacing is 13.9 Å, indicating that a vertical arrangement of terephthalate anions within the gall...

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Bibliographic Details
Published in:Russian Journal of Physical Chemistry A 2014-07, Vol.88 (7), p.1232-1235
Main Authors: Gao, Xiaorui, Lei, Lixu, Yin, Yaobing, Xie, Juan, Wang, Yuqiao, Gu, Wei
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Photochemistry and Magnetochemistry
Physical Chemistry
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Summary:A novel inorganic-organic red light emitting phosphor was synthesized by intercalating a sensitizer anion, terephthalate into Mg/Al/Eu layered double hydroxides through an ion exchange method. The basal spacing is 13.9 Å, indicating that a vertical arrangement of terephthalate anions within the gallery is adopted. This material displays much enhanced red luminescence from Eu 3+ ions, suggesting that there is an efficient energy transfer from the excited state of the intercalated terephthalate anions to Eu 3+ centres in the host layers. The optimal doping concentration of Eu 3+ is 10 mol %.
ISSN:0036-0244
1531-863X
DOI:10.1134/S0036024414070322