Issue 28, 2014
From the journal:

Physical Chemistry Chemical Physics

Unusual photoluminescence properties of the 3D mixed-lanthanide–organic frameworks induced by dimeric structures: a theoretical and experimental approach†

Carime V. Rodrigues,a   Leonis L. Luz,b   José Diogo L. Dutra,c   Severino A. Junior,b   Oscar L. Malta,b   Claudia C. Gatto,a   Huayna C. Streit,d   Ricardo O. Freire,*c   Claudia Wickleder*d  and  Marcelo Oliveira Rodrigues*a  

* Corresponding authors

a LIMA-Laboratório de Inorgânica e Materiais, Instituto de Química, Campus Universitário Darcy Ribeiro, CEP 70904970, P.O. Box 4478, Brasilia-DF, Brazil
E-mail: marcelozohio@unb.br
Fax: +55 (61) 32734149
Tel: +55 (61) 31073867

b Departamento de Química Fundamental, UFPE, Recife-PE, Brazil

c Departamento de Química, Pople Computational Chemistry Laboratory, Universidade Federal de Sergipe, São Cristóvão, Sergipe, Brazil
E-mail: rfreire@ufs.br

d Science and Technology, Inorganic Chemistry, University of Siegen, Adolf-Reichwein-Strasse 2, 57068 Siegen, Germany
E-mail: wickleder@chemie.uni-siegen.de

Abstract

The present work describes a complementary experimental and theoretical investigation of the spectroscopic properties of the four isostructural 3D Ln-MOFs (wherein PDC = pyrazole-3,5-dicarboxylate, [La2(PDC)3(H2O)4]·2H2O (1), [(La0.9Eu0.1)2(PDC)3(H2O)4]·2H2O (2), [(La0.9Tb0.1)2(PDC)3(H2O)4]·2H2O (3) and [(La0.9Eu0.5Tb0.5)2(PDC)3(H2O)4]·2H2O (4)). The experimental data and theoretical calculations show that the singular photophysical properties presented by these Ln-MOFs are induced by strong interaction between the Ln3+ ions.

Graphical abstract: Unusual photoluminescence properties of the 3D mixed-lanthanide–organic frameworks induced by dimeric structures: a theoretical and experimental approach

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Article information

DOI
https://doi.org/10.1039/C4CP00405A
Article type
Paper
Submitted
27 Jan 2014
Accepted
20 May 2014
First published
23 May 2014

Phys. Chem. Chem. Phys., 2014,16, 14858-14866

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Unusual photoluminescence properties of the 3D mixed-lanthanide–organic frameworks induced by dimeric structures: a theoretical and experimental approach

C. V. Rodrigues, L. L. Luz, J. D. L. Dutra, S. A. Junior, O. L. Malta, C. C. Gatto, H. C. Streit, R. O. Freire, C. Wickleder and M. O. Rodrigues, Phys. Chem. Chem. Phys., 2014, 16, 14858 DOI: 10.1039/C4CP00405A

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