Enhanced luminescence of europium-doped layered double hydroxides intercalated by sensitiser anions

Xiaorui Gao; Meng Hu; Lixu Lei; Dermot O'Hare; Charles Markland; Yueming Sun; Stephen Faulkner

doi:10.1039/C0CC04123H

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Chemical Communications

Issue 7, 2011

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Enhanced luminescence of europium-doped layered double hydroxides intercalated by sensitiser anions

Xiaorui Gao , Meng Hu , Lixu Lei , Dermot O'Hare , Charles Markland , Yueming Sun and Stephen Faulkner

Chem. Commun., 2011,47, 2104-2106

DOI: 10.1039/C0CC04123H
Received 29 Sep 2010, Accepted 06 Dec 2010
First published on the web 24 Dec 2010

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Abstract
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Four sensitising anions naphthalene-1,5-disulfonate (15-NDS), naphthalene-2,6-dicarboxylate (26-NDC), benzoate (BA) and terephthalate (TA) were intercalated into a Eu³⁺-doped Zn/Al layered double hydroxide. The carboxylate anions enhanced the red luminescence of Eu³⁺ much more strongly than the sulfonate, in the descending order TA > 26-NDC > BA > 15-NDS.