Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 18, Issue 15, Pages 4759-4765Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201102593
Keywords
macroassemblies; nanoparticles; photochemistry; surface analysis; titania
Categories
Funding
- NSFC [91127040, 20921001]
- State Key Project of Fundamental Research for Nanoscience and Nanotechnology [2011CB932402]
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The size-dependent surface activity of titania was illustrated through the formation of ultrafine nanocrystals with clean surfaces. It was demonstrated that, when the size of the nanocrystals was small enough, their surface activity could be significantly enhanced, as evidenced by the formation of transparent macroassemblies, their increased dispersity in various solvents, the facile modification of their surface by organic molecules at room temperature, their strong visible-light absorption through coordination with peroxide, and highly enhanced photocatalytic performance.
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