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MOHAN, R. DRBOHLAVOVÁ, J. HUBÁLEK, J.
Originální název
Water-dispersible TiO2 nanoparticles via a biphasic solvothermal reaction method
Typ
článek v časopise ve Web of Science, Jimp
Jazyk
angličtina
Originální abstrakt
A biphasic solvothermal reaction method has been used for the synthesis of TiO2 nanoparticles (NPs). In this method, hydrolysis and nucleation occur at the interface of organic phase (titanium (IV) n-propoxide and stearic acid dissolved in toluene) and water phase (tert-butylamine dissolved in water) resulting in the nucleation of the stearic acid-capped TiO2 NPs. These NPs are hydrophilic due to hydrophobic stearic acid ligands and could be dispersed in toluene, but not in water. These stearic acid-capped TiO2 NPs were surface-modified with 2,3-dimercaptosuccinic acid (DMSA) in order to make them water soluble. The resultant TiO2 NPs were easily redispersed in water without any noticeable aggregation. The Rietveld profile fitting of X-ray diffraction (XRD) pattern of the TiO2 NPs revealed highly crystalline anatase structure. The average crystallite size of TiO2 NPs was calculated to be 6.89 nm, which agrees with TEM results. These results have important implications for the use of TiO2 in biomedical, environmental, and industrial applications.
Klíčová slova
TiO2; X-ray diffraction; UV-vis absorption; Fluorescence spectra
Autoři
MOHAN, R.; DRBOHLAVOVÁ, J.; HUBÁLEK, J.
Rok RIV
2013
Vydáno
1. 12. 2013
Nakladatel
Springer
Místo
Spolková republika Německo
ISSN
1931-7573
Periodikum
Nanoscale Research Letters
Ročník
Číslo
8
Stát
Spojené státy americké
Strany od
1
Strany do
4
Strany počet
URL
https://nanoscalereslett.springeropen.com/articles/10.1186/1556-276X-8-503
Plný text v Digitální knihovně
http://hdl.handle.net/11012/137447
BibTex
@article{BUT103910, author="Rajneesh {Mohan} and Jana {Drbohlavová} and Jaromír {Hubálek}", title="Water-dispersible TiO2 nanoparticles via a biphasic solvothermal reaction method", journal="Nanoscale Research Letters", year="2013", volume="2013", number="8", pages="1--4", doi="10.1186/1556-276X-8-503", issn="1931-7573", url="https://nanoscalereslett.springeropen.com/articles/10.1186/1556-276X-8-503" }