TiO modiﬁed gold nanocomposites (Au–TiO NCs) were synthesized as a platform for the investigation and degradation 2 2 of organic pollutants in the real environmental sample, lake soil. The prepared Au–TiO NCs show the surface plasmon resonance band at 532 nm. The crystallinity and the formation of Au–TiO NCs were conﬁrmed by using X-ray diffraction and vibrational studies. Transmission electron microscope measurement shows the core shell structure of Au–TiO NCs. It reveals good photocatalytic activity for degrading pollutants in the lake soil. Using surface enhanced raman scattering the pollutants were detected and it is further conﬁrmed through gas chromatography and mass spectrometry analysis. Au–TiO NCs degrades the organic pollutants in lake soil and the apparent rate constant of the catalytic reaction is 0.022/min. The observed experimental results show that the high stability Au–TiO NCs act as good candidate, both for the detection and degradation of pollutants. Keywords Au–TiO NCs Lake soil Organic pollutants Detection Degradation Introduction gap energy in the near-UV spectral region, strong oxidation ability, a great photocatalytic property, and a large free- Organic Pollutants are poisonous chemical pollutants that exciton binding energy. In addition, the TiO is an envi- infect the environment in
Journal of Cluster Science – Springer Journals
Published: May 29, 2018
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