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dc.contributor.authorTripathy, B B-
dc.contributor.authorBehera, M-
dc.contributor.authorRath, H-
dc.contributor.authorMallick, P-
dc.contributor.authorMishra, N C-
dc.identifier.issn0975-0959 (Online); 0301-1208 (Print)-
dc.description.abstractTiO2/Au nanocomposite has been synthesized by mixing Au with milled TiO2 nanopowder through wet chemical route. The effect of Au on the microstructural and optical properties of TiO2 nanopowder has been studied by XRD, FESEM, UV Visible, PL and FTIR techniques. Our study indicates that Au causes the decrease of crystallite size of TiO2 by accumulating on the circumference of these nanoparticles. TiO2/Au nanocomposite exhibits strong spectral response in the visible range due to the surface plasmon effect. Band gap of TiO2 nanopowder reduces from 3.4 eV to 3.1 eV while making composite with Au. The PL spectra showed that emission peak intensity of TiO2 nanopowder decreases in the presence of Au. The reductions in band gap and electron-hole recombination in TiO2/Au nanocomposite suggest that TiO2/Au could be a good candidate for photocatalysis.en_US
dc.publisherNISCAIR-CSIR, Indiaen_US
dc.rights CC Attribution-Noncommercial-No Derivative Works 2.5 Indiaen_US
dc.sourceIJPAP Vol.57(02) [February 2019]en_US
dc.subjectPhase transformationen_US
dc.subjectBall millingen_US
dc.subjectTitanium dioxideen_US
dc.titleEvolution of microstructure and optical properties of TiO2/Au nanocompositeen_US
Appears in Collections:IJPAP Vol.57(02) [February 2019]

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