Distribución del tamaño de partícula por dispersión dinámica de luz de la tetracarboxifenilporfirina de cobre (II) anclada al dióxido de titanio
Abstract
La sensibilización del dióxido de titanio con porfirinas es esencial para la generación de especies reactivas del oxígeno inducida con luz visible. Sin embargo, estos sensibilizadores tienden a lixiviarse en el medio de reacción. La distribución del tamaño de partícula es una propiedad fundamental para caracterizar sistemas de partículas en suspensión. En este trabajo se estudió la distribución del tamaño de partícula de la tetracarboxifenilporfirina de cobre (II) anclada sobre dióxido de titanio por la técnica de dispersión dinámica de luz. Los resultados indican que la técnica de dispersión dinámica de luz es adecuada para determinar la estabilidad de estos sistemas, mostrando un solo tipo de partícula para el sistema TCPPCu/TiO2 con diámetro promedio de 211,1 nm.Downloads
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References
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[4] A. Kathiravan, R. Renganathan, “Effect of anchoring group on the photosensitization of colloidal TiO2 nanoparticles with porphyrins,” J. Colloid Interf. Sci. Vol. 331, pp. 401-407, Mar. 2009.
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[6] C. Wang, G.M. Yang, J. Li, G. Mele, R. Słota, M.A. Broda, M.Y. Duan, G. Vasapollo, X. Zhang, F.X. Zhang, “Novel meso-substituted porphyrins: Synthesis, characterization and photocatalytic activity of their TiO2-based composites,” Dyes Pigments. vol. 80, pp. 321-328, Mar. 2009.
[7] T. Ma, K. Inoue, H. Noma, K. Yao, E. Abe “Effect of functional group on photochemical properties and photosensitization of TiO2 electrode sensitized by porphyrin derivatives,” J. Photochem. Photobiol. A. Chem. Vol. 152, pp. 207-212, Sep. 2002.
[8] M.A. García-Sánchez, V. de la Luz, M.I. Coahuila-Hernández, F. Rojas-González, S.R. Tello-Solís, A. Campero, “Effects of the structure of entrapped substituted porphyrins on the textural characteristics of silica networks,” J. Photochem. Photobiol. A. Chem. Vol. 223, pp. 172-181, Sep. 2011.
[9] M. Nakamura, T. Tatsumi, H. Tominaga, “Synthesis and Catalytic Capability of Zeolite-Encapsulated Iron and Manganese Tetramethylporphine Complexes,” H. Bull. Chem. Soc. Jpn. Vol. 63, pp. 334-3336, Nov. 1990.
[10] E. Brulé, Y.R. de Miguel, “Supported metalloporphyrin catalysts for alkene epoxidation,” Org Biomol Chem. vol. 4, pp. 599-609, Feb. 2006.
[11] A.D. Adler, F.R. Longo, F. Kampas, J. Kim, J. “On the preparation of. Metalloporphyrins,” J. Inorg. Nucl. Chem. vol. 32, pp. 2443-2445, 1970.
[12] C.E. Díaz-Uribe, M.C. Daza, F. Martínez, E.A. Páez-Mozo, C. Guedes, E. Di Mauro, “Visible light superoxide radical anion generation by tetra(4-carboxyphenyl) porphyrin/TiO2: EPR characterization,” J. Photochem. Photobiol. A. Chem. Vol. 215, pp. 172-178, Sep. 2010.
[13] M. Gouterman, G.H. Wagniere, L.C. Snyder, “Spectra of porphyrins. Part II: Four orbital model,” J. Mol. Spectrosc. Vol. 11, pp. 108-127, 1963.
[14] W. Zheng, N. Shan, L. Yu, X. Wang, “UV–visible, fluorescence and EPR properties of porphyrins and metalloporphyrins,” Dyes Pigments. Vol. 77, pp. 153-157, Sep. 2008.
[15] S. Takagi, T. Shimada, T. Yui, H. Inoue, “High Density Adsorption of Porphyrins onto Clay Layer without Aggregation: Characterization of Smectite-Cationic Porphyrin Complex,” Chem. Lett. Vol. 30, pp. 128-129, 2001.
[16] S.S. Cady, T. Pinnavaia, “Porphyrin intercalation in mica-type silicates,” J. Inorg. Chem. Vol. 17, pp. 1501- 1507, 1978.
Published
2014-02-24
How to Cite
Díaz Uribe, C., Vallejo Lozada, W., & Polo, E. (2014). Distribución del tamaño de partícula por dispersión dinámica de luz de la tetracarboxifenilporfirina de cobre (II) anclada al dióxido de titanio. ITECKNE, 10(2), 224-228. https://doi.org/https://doi.org/10.15332/iteckne.v10i2.400
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