Tuning the solubility of TiO2 nanoparticles in apolar solvents by doping with Co2+

Anatase Co-doped TiO2 nanoparticles capped by oleic acid with a wide range of dopant concentrations (0-23.27%) were synthesized. The surface chemistry of the doped nanoparticles was probed by Fourier transform infrared spectroscopy and thermogravimetric analyses. An interesting effect of doping was...

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Bibliographische Detailangaben
Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 22(2006), 13 vom: 20. Juni, Seite 5537-40
1. Verfasser: Pan, Dengyu (VerfasserIn)
Weitere Verfasser: Xu, Guoliang, Wan, Jianguo, Shi, Zhongtao, Han, Min, Wang, Guanghou
Format: Aufsatz
Sprache:English
Veröffentlicht: 2006
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
Beschreibung
Zusammenfassung:Anatase Co-doped TiO2 nanoparticles capped by oleic acid with a wide range of dopant concentrations (0-23.27%) were synthesized. The surface chemistry of the doped nanoparticles was probed by Fourier transform infrared spectroscopy and thermogravimetric analyses. An interesting effect of doping was discovered: doping with Co2+ at the nanocrystal surface significantly improves the solubility and dispersibility of the nanocrystals in apolar solvents, which can originate in the change in the self-assembled structure of the surface ligand from the weakly hydrophobic quasibilayer in undoped TiO2 nanorods to the strongly hydrophobic monolayer in Co-doped TiO2 nanocrystals
Beschreibung:Date Completed 20.07.2007
Date Revised 13.06.2006
published: Print
Citation Status PubMed-not-MEDLINE
ISSN:1520-5827