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Effect of morphology on the solar photocatalytic behavior of ZnO nanostructures

Effect of morphology on the solar photocatalytic behavior of ZnO nanostructures,10.1016/j.jallcom.2009.06.054,Journal of Alloys and Compounds,Matin Sa

Effect of morphology on the solar photocatalytic behavior of ZnO nanostructures   (Citations: 2)
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ZnO nanostructures in the shape of particle, rods, flower-like and micro-sphere were synthesized via facile hydrothermal methods and the effect of morphology on the decolorization of CI Acid Red 27 solution under direct irradiation of sunlight was investigated. XRD patterns showed that the synthesized nanostructures have Wurtzite-type hexagonal structure with high crystallinity and crystallite size in the range of 67–100nm. UV–vis absorption spectra indicated that the ZnO nanorods have higher visible light harvesting as compared to the other morphologies. The decolorization obeys the first order kinetics rate with the kinetics constant of 4.5–19.5×10−3min−1 dependent on the ZnO morphology and surface area.
Journal: Journal of Alloys and Compounds - J ALLOYS COMPOUNDS , vol. 485, no. 1, pp. 616-620, 2009
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    • ...ZnO nanostructure morphologies: (a) comb-like ZnO nanostructures [69], (b) ZnO balls made of fluffy nanosheets [74], (c) flower-like ZnO nanostructures [70], (d) ZnO nanorods grown on polyethylene fibers [75], (e) needle-like ZnO nanostructures [77], (f) plate-like ZnO [71], (g) nest-like hollow microsphere of ZnO nanopieces [72], (h) ZnO nanowires grown on polyethylene fibers [75] and (i) ZnO nanoplatelets [76]...

    Sze-Mun Lamet al. Degradation of wastewaters containing organic dyes photocatalysed by z...

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