Journal of Chemistry / 2017 / Article / Fig 5

Research Article

A Facile Route to the Preparation of Highly Uniform ZnO@TiO2 Core-Shell Nanorod Arrays with Enhanced Photocatalytic Properties

Figure 5

(a) Diffuse reflectance spectra (DRS) and (inset) plot of transferred Kubelka-Munch versus energy of the light absorbed for the ZnO nanorod arrays and ZnO@TiO2 nanorod arrays. (b) Comparison of photocatalytic decomposition rates of MB with different catalysts. (c) Cyclic photodegradation of MB using ZnO@TiO2 nanorod arrays. The same ZnO@TiO2 nanorod arrays for degradation of MB are tested up to 15 cycles. The photocatalytic time is 180 min for each cycle. (d) Photogenerated electron transfer process in the ZnO@TiO2 nanorod under UV illumination. The scale bars represent the standard deviations of three replicated samples.

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