期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 22, 期 6, 页码 2435-2441出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1jm14319k
关键词
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资金
- National Basic Research Program of China [2012CB933803]
- National Natural Science Foundation of China [21074048, 20921003, 91123031]
Although ordered macroporous rutile titania is seldom successfully fabricated because it is hard to maintain its integrated structure at the high calcination temperature, we herein describe a facile approach to obtain inverse rutile titania opals under a relatively mild condition. By employing SnO2 as the additive for enhancing the phase transformation from anatase to rutile, we investigated various kinds of differences (pore size, backbone filling fraction, reflection peaks, etc.) between the macroporous structures with the two different kinds of crystalline phases (anatase and rutile), which were hardly stressed in other reports because the two phases could not be obtained separately under the same calcination condition if using other approaches.
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