SYNTHESIS AND CHARACTERIZATION OF NANO TIO2-SIO2: PVA COMPOSITE - A NOVEL ROUTE

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VENCKATESH RAJENDRAN; BALACHANDARAN KARTHA; SIVARAJ RAJESHWARI

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Journal Paper

Paper Information

Journal: INTERNATIONAL NANO LETTERS (INL) Year:2012 | Volume:2 | Issue:2 Page(s): 1-5

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Title

SYNTHESIS AND CHARACTERIZATION OF NANO TIO2-SIO2: PVA COMPOSITE - A NOVEL ROUTE

Author(s)

VENCKATESH RAJENDRAN | BALACHANDARAN KARTHA | SIVARAJ RAJESHWARI | Issue Writer Certificate

Keywords

POLYMER NANOCOMPOSITE

SCANNING ELECTRON MICROSCOPE

SOL–GEL

THERMOGRAVIMETRIC/DIFFERENTIAL THERMAL ANALYSIS

X-RAY DIFFRACTION

Abstract

A novel, simple, less time consuming and cost-effective SOL–GEL method has been developed to synthesize nano titania-silica with polyvinyl alcohol (PVA) composite relatively at low temperature in acidic pH. Titania sol is prepared by hydrolysis of titanium tetrachloride and was mixed with silicic acid and tetrahydrofuran mixture. The reaction was carried out under vigorous stirring for 6 h and dried at room temperature with the addition of PVA solution. The resulting powders were characterized by X-RAY DIFFRACTION, scanning electron microscopy, transmission electron microscopy, Fourier transform infrared (FT-IR), UV-visible spectroscopy and thermal techniques. The grain size of the particles was calculated by X-RAY DIFFRACTION, surface morphology and chemical composition were determined from scanning electron microscopy-energy dispersive spectroscopy, metal oxide stretching was confirmed from FT-IR spectroscopy, bandgap was calculated using UV-visible spectroscopy, and thermal stability of the prepared composite was determined by THERMOGRAVIMETRIC/DIFFERENTIAL THERMAL ANALYSIS. Since TiO2 got agglomerated on the surface of SiO2, effective absorptive sites increase which in turn increase the photocatalytic efficiency of the resulting composite.

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References

SYNTHESIS OF NANO TIO2-SIO2 COMPOSITE USING SOL–GEL METHOD: EFFECT ON SIZE, SURFACE MORPHOLOGY AND THERMAL STABILITY

Cite

APA: Copy

VENCKATESH, RAJENDRAN, BALACHANDARAN, KARTHA, & SIVARAJ, RAJESHWARI. (2012). SYNTHESIS AND CHARACTERIZATION OF NANO TIO₂-SIO₂: PVA COMPOSITE - A NOVEL ROUTE. INTERNATIONAL NANO LETTERS (INL), 2(2), 1-5. SID. https://sid.ir/paper/321387/en

Vancouver: Copy

VENCKATESH RAJENDRAN, BALACHANDARAN KARTHA, SIVARAJ RAJESHWARI. SYNTHESIS AND CHARACTERIZATION OF NANO TIO₂-SIO₂: PVA COMPOSITE - A NOVEL ROUTE. INTERNATIONAL NANO LETTERS (INL)[Internet]. 2012;2(2):1-5. Available from: https://sid.ir/paper/321387/en

IEEE: Copy

RAJENDRAN VENCKATESH, KARTHA BALACHANDARAN, and RAJESHWARI SIVARAJ, “SYNTHESIS AND CHARACTERIZATION OF NANO TIO₂-SIO₂: PVA COMPOSITE - A NOVEL ROUTE,” INTERNATIONAL NANO LETTERS (INL), vol. 2, no. 2, pp. 1–5, 2012, [Online]. Available: https://sid.ir/paper/321387/en

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