Multi-Funtional Crystalline Materials Based on Lanthanide-Sulfonate Coordination Polymers

RICHARD FERNANDO D'VRIES; GERMÁN ERNESTO GOMEZ; DIEGO LIONELLO; MARÍA CECILIA FUERTES; GALO J. A. A. SOLER-ILLIA; JAVIER ELLENA

San Pablo

Congreso; IUPAC 49th General Assembly; 2017

International Union of Pure and Applied Chemistry

The capacity of the disulfonaphthalene molecules to form coordination compounds with a variety of structures, dimensionalities and topologies, give rise interesting materials with potential applications in catalysis [1], gas absorption [2] and luminescence-based devices [3]. These materials also have novel magnetic and conductivity properties [4]. In this work [5], a series of coordination polymers (CPs) formed in optimized hydrothermal conditions from lanthanide metals, 3-hydroxinaphthalene-2,7-disulfonate(3-OHNDS) and 1,10-phenanthroline (phen) as building blocks is presented. Two crystalline phases were identified and characterized by vibrational and thermal analysis, single crystal and powder X-ray diffraction. The formula of these phases were [Eu(3-OHNDS)(phen)(H2O)2]?3H2O (Phase 1-Eu) (S.G.=triclinic Pī) and [Ln2(3-OHNDS)2(phen)2(H2O)]?3H2O (Phase 2-Ln) where Ln = Tb, Dy, Ho, Er and Yb (S.G.=monoclinic P21/n). Instrumented Indentation studies were performed in order to find the relationship between structural features and mechanical properties (Young?s modulus and hardness) of the crystalline material. An exhaustive characterization of the optical properties was performed, involving excitation-emission experiments and quantification of luminescence. Besides, the sensing of polycyclic aromatic hydrocarbons (PAHs) was tested, resulting in a marked selectivity when the CP interacts with naphthalene molecules. These results make these phases promising materials for the elaboration of chemical colorimetric sensors. References[1] D?Vries, R. F.; Iglesias, M.; Snejko, N.; Gutiérrez-Puebla, E.; Monge, M. A. Inorg. Chem. 51, (21), (2012), 11349-11355.[2] Gándara, F.; Gutiérrez-Puebla, E.; Iglesias, M.; Snejko, N.; Monge, M. A. Cryst. Growth Des. 10, (1), (2009), 128-134.[3] D'Vries, R. F.; Alvarez-Garcia, S.; Snejko, N.; Bausa, L. E.; Gutierrez-Puebla, E.; de Andres, A.; Monge, M. A. J. Mater. Chem. C. 1, (39), (2013), 6316-6324.[4] Horike, S.; Umeyama, D.; Kitagawa, S. Acc. Chem. Res. 46, (11), (2013), 2376-2384.[5] D?Vries, R. F.; Gomez, G. E.; Lionello, D. F.; Fuertes, M. C.; Soler-Illia, G. J. A. A. and Ellena, J. RSC Adv. 2016, 6, 110171-110181.