Issue 21, 2012
From the journal:

Journal of Materials Chemistry

3D photoluminescent lanthanide-doped barium titanate structures synthesized by coating and shape-preserving reaction of complex-shaped bioorganic templates†

Jonathan P. Vernon,a   Nicholas Hobbs,a   Ye Cai,a   Alfred Lethbridge,c   Peter Vukusic,c   Dimitri D. Deheynd  and  Kenneth H. Sandhage*ab  

* Corresponding authors

a School of Materials Science and Engineering, Georgia Institute of Technology, 771 Ferst Drive, Atlanta, GA, USA
E-mail: ken.sandhage@mse.gatech.edu

b School of Chemistry and Biochemistry, Georgia Institute of Technology, 771 Ferst Drive, Atlanta, GA, USA

c School of Physics, University of Exeter, Stocker Road, Exeter, UK EX4 4QL

d Scripps Institution of Oceanography, UCSD, 9500 Gilman Drive, La Jolla, CA, USA

Abstract

Conformal, layer-by-layer, surface sol–gel coating and microwave hydrothermal reaction processing were combined for the first time to convert 3D bioorganic templates (butterfly scales) into photoluminescent Eu-doped BaTiO3 replicas. The use of such complex microscale structures as distinct photo-luminescent patterns for the labelling of documents or goods for tracking or anticounterfeiting purposes is demonstrated.

Graphical abstract: 3D photoluminescent lanthanide-doped barium titanate structures synthesized by coating and shape-preserving reaction of complex-shaped bioorganic templates

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Article information

DOI
https://doi.org/10.1039/C2JM31435E
Article type
Communication
Submitted
07 Mar 2012
Accepted
31 Mar 2012
First published
03 Apr 2012

J. Mater. Chem., 2012,22, 10435-10437

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3D photoluminescent lanthanide-doped barium titanate structures synthesized by coating and shape-preserving reaction of complex-shaped bioorganic templates

J. P. Vernon, N. Hobbs, Y. Cai, A. Lethbridge, P. Vukusic, D. D. Deheyn and K. H. Sandhage, J. Mater. Chem., 2012, 22, 10435 DOI: 10.1039/C2JM31435E

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