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Issue 14, 2011
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A simple solution combustion route for the preparation of metal-doped TiO2 nanoparticles and their photocatalytic degradation properties

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Abstract

In this paper, we report the successful synthesis of metal ion-doped TiO2 nanoparticlesvia a simple solution combustion method employing a mixture of ethanol and ethyleneglycol (v/v = 30/20) as the solvent, tetra-n-butyl titanate [Ti(OC4H9)4, TBOT] as the titanium source and oxygen gas in the atmosphere as the oxygen source, in the presence of small amounts of metal ions such as Cu2+, Mn2+, Ce3+ and Sn4+. The as-obtained products were characterized by means of powder X-ray diffraction (XRD), energy dispersive X-ray spectrometry (EDS) and scanning electron microscopy (SEM). The UV-vis diffuse reflectance spectra (DRS) and photoluminescence (PL) spectra of various metal ion-doped products were investigated. Experiments showed that the metal ion-doped TiO2 nanoparticles presented a stronger photocatalytic ability for the degradation of organic dyes, including Pyronine B, Safranine T and Methylene blue (MB), under visible light/254 nm UV light irradiation than commercial P25 within the same time.

Graphical abstract: A simple solution combustion route for the preparation of metal-doped TiO2 nanoparticles and their photocatalytic degradation properties

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Publication details

The article was received on 04 Nov 2010, accepted on 25 Jan 2011 and first published on 03 Mar 2011


Article type: Paper
DOI: 10.1039/C0DT01534B
Citation: Dalton Trans., 2011,40, 3689-3694
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    A simple solution combustion route for the preparation of metal-doped TiO2 nanoparticles and their photocatalytic degradation properties

    Y. Ni, Y. Zhu and X. Ma, Dalton Trans., 2011, 40, 3689
    DOI: 10.1039/C0DT01534B

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