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Erschienen in:
30.03.2017
Synthesis of Ag/TiO2 core–shell nanowires with enhanced stability of photocatalytic activity
Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 14/2017
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Abstract
Ag/TiO2 core–shell nanowires were synthesized via a one-step solution method without using a template. The structural and optical properties of the as-synthesized samples were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and UV–Vis absorption spectroscopy. The analysis was carried out for understanding the contribution of different content of silver for enhancing the photocatalytic activity of TiO2. The good photocatalytic activity has been proven in the porous Ag/TiO2 nanowires. Noticeably, the Ag/TiO2 nanowires exhibits excellent reusability, and can be applied to the degradation of various organic dyes, such as methyl orange (MO) and rhodamine-B (RhB). A possible photocatalytic mechanism is processed. This unique Ag/TiO2 nanowires photocatalyst proved to have great potentials for organic contaminants degradation in wastewater.