Synthesis, characterization and photocatalytic activity of mesoporous Na-doped TiO 2 nano-powder prepared via a solvent-controlled non-aqueous sol–gel route

Synthesis, characterization and photocatalytic activity of mesoporous Na-doped TiO 2 nano-powder prepared via a solvent-controlled non-aqueous sol–gel route

A series of mesoporous Na doped TiO 2 nano-powders have been successfully prepared via a solvent-controlled non-aqueous sol–gel route. XRD, TEM and XPS results confirm the substitutional doping of Na at Ti sites and reduction in crystallite size. The increase in surface area and pore volume with Na...

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Veröffentlicht in:RSC advances 2017, Vol.7 (85), p.54053-54062
Hauptverfasser: Singh, Inderjeet, Birajdar, Balaji
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description A series of mesoporous Na doped TiO 2 nano-powders have been successfully prepared via a solvent-controlled non-aqueous sol–gel route. XRD, TEM and XPS results confirm the substitutional doping of Na at Ti sites and reduction in crystallite size. The increase in surface area and pore volume with Na doping is confirmed by N 2 adsorption–desorption measurements. The synthesized Na doped TiO 2 nano-powder revealed a superior photo-catalytic activity as compared to the synthesized TiO 2 nano-powder and commercially available P25 TiO 2 . This could be attributed to the combined effect of reduced electron–hole recombination rate, increased surface area and enhanced crystallinity.
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title Synthesis, characterization and photocatalytic activity of mesoporous Na-doped TiO 2 nano-powder prepared via a solvent-controlled non-aqueous sol–gel route
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