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Issue 24, 2006
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Titanium terephthalate (TT-1) hybrid materials with high specific surface area

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Abstract

A porous inorganic–organic titanium terephthalate (TT-1) based hybrid material is prepared using a solvothermal synthesis without templates. The nitrogen physisorption measurements show a combination of type IV and type I isotherms with a broad pore size distribution and a high specific BET surface area of Sg = 534 m2 g−1. The material has predominately mesopores (BJH pore volume = 0.54 cm3 g−1), with a small amount of micropores (specific micropore volume Vg = 0.11 cm3 g−1). The IR and solid state 13C MAS NMR spectra indicate coordination of the terephthalate ligand to Ti4+ ions and the ligand is a building block of the TT-1 hybrid material. The energy difference of 189 and 160 cm−1 between νasym(COO) and νsym(COO) indicates monodentate and bridging coordination of the terephthalate group, respectively. According to X-ray powder diffraction patterns TT-1 is amorphous. Upon heat treatment at 400 °C crystallisation of anatase and a significant loss of the specific surface area is detected.

Graphical abstract: Titanium terephthalate (TT-1) hybrid materials with high specific surface area

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Publication details

The article was received on 23 Jan 2006, accepted on 30 Mar 2006 and first published on 21 Apr 2006


Article type: Paper
DOI: 10.1039/B601043A
J. Mater. Chem., 2006,16, 2354-2357

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    Titanium terephthalate (TT-1) hybrid materials with high specific surface area

    M. Sabo, W. Böhlmann and S. Kaskel, J. Mater. Chem., 2006, 16, 2354
    DOI: 10.1039/B601043A

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