SYNTHESIS AND CHARACTERIZATION OF ZNO-TIO2 NANOCOMPOSITES AND THEIR APPLICATION AS PHOTOCATALYSTS

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HABIB MD AHSAN; SHAHADAT MD TUSAN; MOHAMMED BAHADUR NEWAZ; I. ISMAIL IQBAL; MAHMOOD ABU JAFAR

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Journal: INTERNATIONAL NANO LETTERS (INL) Year:2013 | Volume:3 | Issue:3 Page(s): 1-8

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Title

SYNTHESIS AND CHARACTERIZATION OF ZNO-TIO2 NANOCOMPOSITES AND THEIR APPLICATION AS PHOTOCATALYSTS

Author(s)

Keywords

NANOCOMPOSITE ZNO-TIO2

PHOTOCATALYSTS

DYE POLLUTION

SOLAR PHOTOCATALYTIC DECOLORIZATION

Abstract

Nanocomposite ZnO-TiO2 powders of varying ZnO/TiO2 molar ratios have been prepared from their salt/compound by heating at 600°C and 900°C and characterized using scanning electron microscope and X-ray diffraction techniques. The nanosized powders can decolorize/degrade brilliant golden yellow (BGY), an azo dye extensively used in textile industries, in water under solar irradiation. The effects of various parameters such as photocatalyst loading, molar ratio of ZnO/TiO2, pH of the solution, initial dye concentration, and irradiation time on the photodecolorization have been investigated. ZnO-TiO2 nanocomposite (6 g/L) in the molar ratio of 1:1 or 3:1, prepared at 900°C, can efficiently decolorize about 98% of 20 mg/L BGY at pH of about 7 by 2-h illumination in sunlight. The initial dye decolorization follows pseudo-first-order kinetics. Finally, trial experiments were done using real textile wastewater to find out the effectiveness of the photo catalysts to a more complex system.

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APA: Copy

HABIB, MD AHSAN, SHAHADAT, MD TUSAN, MOHAMMED BAHADUR, NEWAZ, I. ISMAIL, IQBAL, & MAHMOOD, ABU JAFAR. (2013). SYNTHESIS AND CHARACTERIZATION OF ZNO-TIO₂ NANOCOMPOSITES AND THEIR APPLICATION AS PHOTOCATALYSTS. INTERNATIONAL NANO LETTERS (INL), 3(3), 1-8. SID. https://sid.ir/paper/321354/en

Vancouver: Copy

HABIB MD AHSAN, SHAHADAT MD TUSAN, MOHAMMED BAHADUR NEWAZ, I. ISMAIL IQBAL, MAHMOOD ABU JAFAR. SYNTHESIS AND CHARACTERIZATION OF ZNO-TIO₂ NANOCOMPOSITES AND THEIR APPLICATION AS PHOTOCATALYSTS. INTERNATIONAL NANO LETTERS (INL)[Internet]. 2013;3(3):1-8. Available from: https://sid.ir/paper/321354/en

IEEE: Copy

MD AHSAN HABIB, MD TUSAN SHAHADAT, NEWAZ MOHAMMED BAHADUR, IQBAL I. ISMAIL, and ABU JAFAR MAHMOOD, “SYNTHESIS AND CHARACTERIZATION OF ZNO-TIO₂ NANOCOMPOSITES AND THEIR APPLICATION AS PHOTOCATALYSTS,” INTERNATIONAL NANO LETTERS (INL), vol. 3, no. 3, pp. 1–8, 2013, [Online]. Available: https://sid.ir/paper/321354/en

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