synthesis and characterization of cnt/tio2/zno composites with high photocatalytic performance

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ID: 190507
2018
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Abstract
Novel carbon nanotubes (CNTs)/titanium dioxide (TiO2)/zinc oxide (ZnO) composites have been successfully synthesized via a two-step solution method using titanyl sulfate as the titanium precursor. Its structural performances were researched by various characterization methods, such as X-ray powder diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and UV-vis diffuse reflectance spectroscopy (UV-vis DRS). The performance of the composites was tested by degrading rhodamine B (RhB) under UV-vis illumination and found to strongly rely on the content of ZnO. The experimental results showed that the CNT/TiO2/ZnO-90 wt % expressed more outstanding photocatalytic performance compared to the corresponding binary composites and the CNT/TiO2/ZnO-85 wt %, CNT/TiO2/ZnO-95 wt % materials. The improved photocatalytic activity was attributed to synergistic effect of CNT, TiO2 and ZnO, in which ZnO can absorb photons to produce electrons and holes, whereas TiO2 and CNT can reduce the electron-hole recombination.
Reference Key
huang2018catalystssynthesis Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Yanzhen Huang;Rongkai Li;Dongping Chen;Xinling Hu;Pengxin Chen;Zhibin Chen;Dongxu Li
Journal journal of essential oil research
Year 2018
DOI
10.3390/catal8040151
URL
http://www.mdpi.com/2073-4344/8/4/151
Keywords
zinc oxide carbon nanotubes titanium dioxide

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