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| DOI | 10.1016/J.POLY.2012.06.064 | ||||
| Año | 2012 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Hybrid materials, formed by strong absorbing macrocyclic complexes [Zn2L]center dot(NO3)(2)center dot H2O or [MnL(H2O)(2)]center dot NO3 center dot H2O (LH2: macrocyclic ligand obtained from the [2 + 2] condensation of 2-hydroxy-5-methyl-1,3-benzenedicarbaldehyde and 1,2-diaminobenzene) intercalated in MnPS3 and CdPS3 layered phases, were obtained by the ion exchange method using the potassium precursor, K0.4M0.8PS3(H2O)(x). As a result of the conventional synthetic method, using stirring at room temperature, the following composites were obtained: [Zn2L](0.05)K0.30Mn0.80PS3(H2O)(x) (1), [Zn2L](0.10)K0.20Mn0.80PS3(H2O)(x) (2), [Zn2L](0.05)K0.30Cd0.80 PS3(H2O)(x) (4), [MnL](0.25)K0.15Mn0.80PS3(H2O)(x) (6), [MnL](0.35)K0.05Mn0.80PS3(H2O)(x) (7) and [MnL](0.25)K0.15Cd0.80PS3(H2O)(x), (9). While the microwave assisted method gives: [Zn2L](0.05)K0.30Mn0.80PS3(H2O)(x) (3), [Zn2L](0.05)K0.30Cd0.80PS3(H2O)(x) (5), [MnL](0.25)K0.15Mn0.80PS3(H2O)(x) (8) and [MnL](0.15)K0.25Cd0.80PS3(H2O)(x) (10). The luminescent properties of the macrocyclic zinc(II) and manganese(III) complexes are not observed in the final composites due to the radiationless decay processes, which are favored by the packing of the macrocyclic species between the layers of the MPS3 phase. The solid reflectance UV-Vis spectra indicate that the absorption edge of the composites is shifted to lower energies, as compared to the potassium precursor, 2.85 eV for K0.4Mn0.8PS3(H2O)(x) and 3.20 eV for K0.4Cd0.8PS3(H2O)(x). The absorption edge varies from 1.85 to 1.70 eV, depending on the stoichiometry of the composite. (C) 2012 Elsevier Ltd. All rights reserved.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | SPODINE-SPIRIDONOVA, EVGENIA | Mujer |
Universidad de Chile - Chile
Centro para el Desarrollo de la Nanociencia y la Nanotecnologia - Chile |
| 2 | Valencia-Galvez, Paulina | Mujer |
Centro para el Desarrollo de la Nanociencia y la Nanotecnologia - Chile
Universidad de Chile - Chile |
| 3 | MANZUR-SAFFIE, JORGE ALBERTO | Hombre |
Centro para el Desarrollo de la Nanociencia y la Nanotecnologia - Chile
Universidad de Chile - Chile |
| 4 | PAREDES-GARCIA, VERONICA DEL ROSARIO | Mujer |
Centro para el Desarrollo de la Nanociencia y la Nanotecnologia - Chile
Universidad Nacional Andrés Bello - Chile |
| 5 | PIZARRO-URZUA, NANCY ALEJANDRA | Mujer |
Centro para el Desarrollo de la Nanociencia y la Nanotecnologia - Chile
Universidad Nacional Andrés Bello - Chile |
| 6 | Bernot, K. | - |
Univ Europeenne Bretagne - Francia
Université européenne de Bretagne - Francia |
| 7 | VENEGAS-YAZIGI, DIEGO ALONSO | Hombre |
Centro para el Desarrollo de la Nanociencia y la Nanotecnologia - Chile
Universidad de Santiago de Chile - Chile |
| Fuente |
|---|
| FONDECYT |
| CONICYT |
| Universidad de Chile |
| Fondo Nacional de Desarrollo Científico y Tecnológico |
| Comisión Nacional de Investigación Científica y Tecnológica |
| Comisión Nacional de Investigación CientÃfica y Tecnológica |
| Fondo Nacional de Desarrollo CientÃfico, Tecnológico y de Innovación Tecnológica |
| Basal Financial Support for Scientific and Technological Centers of Excellence |
| Doctoral Thesis Support fellowship |
| Becas de Estadias Cortas de Investigacion de la Universidad de Chile |
| Agradecimiento |
|---|
| The authors thank the financial support of FONDECYT Grant 1080318; Basal Financial Support for Scientific and Technological Centers of Excellence, FB0807. N.P. thanks Professor A. Cheetham for the research stay in his laboratory, at the University of California, Santa Barbara. P.V.G. thanks CONICYT for the Doctoral fellowship 21061162, Doctoral Thesis Support fellowship 24090008, and "Becas de Estadias Cortas de Investigacion de la Universidad de Chile". |
| The authors thank the financial support of FONDECYT Grant 1080318 ; Basal Financial Support for Scientific and Technological Centers of Excellence , FB0807 . N.P. thanks Professor A. Cheetham for the research stay in his laboratory, at the University of California, Santa Barbara. P.V.G. thanks CONICYT for the Doctoral fellowship 21061162, Doctoral Thesis Support fellowship 24090008, and “Becas de Estadías Cortas de Investigación de la Universidad de Chile”. |