Synthesis and characterization of nanoporous TiO2 material using mixed cationic and anionic surfactants and its application for adsorbing of copper phthalocyanine from aqueous media

Since the first report of the synthesis of ordered mesoporous silica, M41S by the Mobile researchers in 1992 [1], they have attracted widespread attention for adsorption, exchanger, catalysis and applications such as hosts for the synthesis of nanomaterials as they usually have very high surface area and tunable pore diameters [2-6].Physical properties of mixed cationic and anionic surfactants have attracted much attention. Molecular assembly of the mixed surfactants can form a variety of assemblies depending on the molar mixing ratio in the solution, because the columbic interaction between the hydrophilic parts of anionic and cationic surfactans causes the formation of quasi-double-chained composites, whose properties are greatly different from those of single – componenet systems.We had synthesized nanoporous TiO2 by using a single surfactant template system in our previous work. In this work, we report synthesis and characterization of nanoporous TiO2 by a new sol- gel route and we used mixture of cationic CTAB and anionic SDS with relatively long alkyl chains of n=16 and n=12, respectively, as molecular templates. Then we evaluated application of this nanoporous materials as a new adsorbent for adsorbing of organic and very toxic material of copper phthalocyanine from aquas media.

Keywords:

Phtalocyanine , Nanoporous , Titanium Oxide