Journal
APL MATERIALS
Volume 2, Issue 11, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4898195
Keywords
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Funding
- Japan Society for the Promotion of Science (JSPS) [2406]
- Grants-in-Aid for Scientific Research [24107002] Funding Source: KAKEN
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We report the synthesis of organosilica nanotubes containing 2,2'-bipyridine chelating ligands within their walls, employing a single-micelle-templating method. These nanotubes have an average pore diameter of 7.8 nm and lengths of several hundred nanometers. UV-vis absorption spectra and scanning transmission electron microscopy observations of immobilized nanotubes with an iridium complex on the bipyridine ligands showed that the 2,2'-bipyridine groups were homogeneously distributed in the benzene-silica walls. The iridium complex, thus, immobilized on the nanotubes exhibited efficient catalytic activity for water oxidation using Ce4+, due to the ready access of reactants to the active sites in the nanotubes. (C) 2014 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License.
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