Towards flexible inorganic "mesomaterials": one-pot low temperature synthesis of mesostructured nanocrystalline titania |
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Authors: | Haseloh Sönke Choi Sung Yeun Mamak Marc Coombs Neil Petrov Srebri Chopra Naveen Ozin Geoffrey A |
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Institution: | Materials Chemistry Research Group, Chemistry Department, University of Toronto, 80 St. George St., Toronto, Ontario, Canada M5S 3H6. |
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Abstract: | We hereby report a simple route for the low temperature synthesis of mesoporous nanocrystalline titania involving brief hydrothermal treatment of butanolic precursors and non-ionic tri-block-copolymer surfactant at 100 degrees C, followed by evaporation induced self assembly to make a crack-free flexible film. At no time in the film-forming process is a temperature of more than 120 degrees C reached, thereby permitting the use of substrates that are not stable to higher temperatures. |
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