Sol–gel synthesis of nanosized titanium oxide in a porous coordination polymer

[Display omitted] •Amorphous TiO2 was dispersed in the channels of a porous coordination polymer.•Nanocomposite was prepared by sol–gel condensation of titanium tetraisopropoxide.•Uptake of H2O was increased by incorporation of TiO2 in PCP.•Modification of PCP with TiO2 allowed change of adsorption...

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Bibliographic Details
Published in:Microporous and mesoporous materials 2014-09, Vol.195, p.31-35
Main Authors: Kim, Cho Rong, Uemura, Takashi, Kitagawa, Susumu
Format: Article
Language:English
Subjects:
Chemistry
Colloidal gels. Colloidal sols
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
Nanocomposite
Photoresponsive material
Porous coordination polymer
Porous materials
Titanium oxide
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Summary:[Display omitted] •Amorphous TiO2 was dispersed in the channels of a porous coordination polymer.•Nanocomposite was prepared by sol–gel condensation of titanium tetraisopropoxide.•Uptake of H2O was increased by incorporation of TiO2 in PCP.•Modification of PCP with TiO2 allowed change of adsorption behavior by UV light. Nanosized titanium oxide (TiO2) was synthesized in the channels of a porous coordination polymer (PCP) [La3+(1,3,5-benzenetrisbenzoate)]n by the sol–gel reaction of titanium tetraisopropoxide. XRD, IR, UV–vis, and gas sorption measurements demonstrated that nanosized TiO2 was formed in channels of the PCP. In this system, the resultant PCP⊃TiO2 composite showed enhancement of the adsorption of water. Furthermore, the sorption behavior of the composite could be changed by UV irradiation.
ISSN:1387-1811
1873-3093
DOI:10.1016/j.micromeso.2014.04.020