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Fabrication of Nanoporous TiO2 Hollow Capsules Using Core–Shell Silica Nanoparticle Templates

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Abstract:

We report on the fabrication of the nanoporous TiO2 hollow capsules using core–shell silica nanoparticle templates. The thickness of the capsules can be simply controlled by varying the amount of the TiO2 precursor. The resulting nanoporous capsules exhibited the high specific surface area and the large pore volume of 103∼180 m2/g and 0.40∼0.86 cm3/g, respectively. Photocatalytic activity of the TiO2 hollow capsules was also investigated and compared to that of the commercial TiO2 nanoparticles.

Keywords: CORE-SHELL SILICA; PHOTOCATALYST; TEMPLATE; TIO2 HOLLOW CAPSULES

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2012.4611

Publication date: February 1, 2012

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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