Photoluminescent layered Y/Er silicates

abstract

The synthesis of new layered rare-earth silicates K-3 [Y1-aEraSi3O8 (OH)(2)] (AV-22 materials) has been reported. The photoluminescence properties of Y/Er-AV-22 and the material resulting from its thermal degradation, K-3[Y1-aEraSi3O9] (Y/Er-AV-23), have been studied and compared. Both materials have a similar chemical makeup and structures sharing analogous building blocks, hence providing a unique opportunity for rationalising the evolution of the photoluminescence properties of lanthanide silicates across dimensionality. (c) 2007 Elsevier B.V. All rights reserved.

keywords

LANTHANIDE SILICATES

subject category

Chemistry; Materials Science; Metallurgy & Metallurgical Engineering

authors

Kostova, MH; Ananias, D; Carlos, LD; Rocha, J

our authors

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