Effect of manganese doping on optical and magnetic properties of titanium dioxide nanostructures prepared by hydrothermal technique in the presence of thiourea

abstract

Manganese (Mn)-doped titanium dioxide (TiO2) nanostructures were synthesised by hydrothermal reaction of TiO2 and Mn acetate with ethylenediamine and thiourea. The prepared samples were characterised by X-ray diffraction, Fourier transform infrared spectroscopy, transmission electron microscopy, field emission scanning electron microscopy and energy dispersive X-ray spectroscopy. Characterisation of samples confirmed the formation of pure and crystalline nanostructures. Photoluminescence spectroscopy was carried out to study the optical properties of the pure and Mn-doped TiO2 nanostructures. A vibrating sample magnetometer was used to study the magnetic properties of the prepared Mn-doped TiO2 nanostructures.

keywords

LIGHT PHOTOCATALYTIC ACTIVITY; NANOWIRE ARRAYS; TIO2 NANOWIRES; NANOTUBES; CRYSTALS; SPHERES

subject category

Science & Technology - Other Topics; Materials Science

authors

Zamiri, G; Zakaria, A; Hussein, MZ; Zamiri, R; Rebelo, A; Ahangar, HA

our authors

acknowledgements

The authors thank the Ministry of Higher Education Malaysia for funding this project under the Research University Grant Scheme (RUGS) of Project No. 05-02-12-1878RU and for the grant for External Collaborative Research SFRH/BPD/76185/2011 (R.Z).

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