Chemistry

Chemistry on Modified Oxide and Phosphate Surfaces: by Robson Fernandes de Farias

By Robson Fernandes de Farias

This identify within the authoritative Interface technological know-how and expertise sequence provides the major beneficial properties and purposes of transformed oxide and phosphate surfaces. * Examines either simple and utilized points * contains examples from contemporary guides

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Additional info for Chemistry on Modified Oxide and Phosphate Surfaces: Fundamentals and Applications

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F. de Sa´, Bull. Chem. Technol. Macedonia 23 (2004) 7. F. de Farias, C. Airoldi, J. Solid State Chem. 158 (2001) 134. F. de Farias, J. Non-Cryst. Solids 288 (2001) 218. A. Fujishima, K. Hashimoto, T. , Tokyo, 1999. F. de Farias, C. Airoldi, J. Non-Cryst. Solids 351 (2005) 84. F. , J. Phys. Chem. Solids 64 (2003) 2385. F. de Farias, Int. J. Inorg. Mater. 3 (2001) 825. F. de Farias, J. Non-Cryst. Solids 288 (2001) 218. F. de Farias, C. Airoldi, J. Solid State Chem. 158 (2001) 134. 50 Chemistry on Modified Oxide and Phosphate Surfaces: Fundamentals and Applications 17.

5a is for the doped BaO–polyaniline sample, which exhibits absorption bands at 420 nm and 780 nm, characteristic of Brønsted acid-doped polyaniline. The spectrum shown in Fig. 0 mol dm3 solution. As can be seen, the 420 nm and 780 nm absorption bands remain at the same positions, even after treatment in basic solution. This is not observed for the ‘‘free’’ polymer, for which a reaction with base promotes deprotonation, which causes the appearance of an absorption band at 625 nm. 4 SEM micrographs for MgO, 1000Â (a) and MgO ^ Pani, 1000Â (b).

F. de Farias, C. Airoldi, J. Non-Cryst. Solids 351 (2005) 84. F. , J. Phys. Chem. Solids 64 (2003) 2385. F. de Farias, Int. J. Inorg. Mater. 3 (2001) 825. F. de Farias, J. Non-Cryst. Solids 288 (2001) 218. F. de Farias, C. Airoldi, J. Solid State Chem. 158 (2001) 134. 50 Chemistry on Modified Oxide and Phosphate Surfaces: Fundamentals and Applications 17. 18. 19. 20. 21. 22. F. de Farias, Quı´m. Nova 25 (2002) 1027. F. de Farias, J. Colloid Interface Sci. 239 (2001) 584. M. Arabatzis, P. Falaras, Nano Lett.

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