期刊
RSC ADVANCES
卷 5, 期 45, 页码 35435-35447出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra03458b
关键词
-
资金
- Sardinia Regional Government (P.O.R. Sardegna F.S.E. Operational Program of the Regione Autonoma della Sardegna, European Social Fund)
- [20125309]
The paper describes the synthesis and characterization of novel TiO2-metal hexacyanometallates (MHCMs) composite materials. The starting material, TiO2, was modified by addition of cobalt-hexacyanoferrate (CoHCF) or iron-hexacyanocobaltate (FeHCC) at various concentrations. The resulting composites were characterized as follows: cyclic voltammetry (CV) followed the formation of TiO2-MHCM clusters, TEM micrographs studied their morphology, XAS and XPS data indicated that MHCM bonds to TiO2 through the nitrogen atom of its -CN group and modifies the environment of Ti compared to that of pure anatase. As expected, and confirmed by UV-Vis and XP-valence band data, the electronic properties of TiO2 were substantially modified: the edge in the composite materials shifted by about -2.0 eV relative to TiO2.
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