Photocatalytic activity enhancement of Bi2WO6 nanoparticles by Gd-doping via microwave assisted method
Journal of Materials Science: Materials in Electronics, 2017•Springer
Gd-doped Bi 2 WO 6 nanoparticles were successfully prepared through microwave assisted
synthesis. The incorporation of Gd 3+ ions into Bi 2 WO 6 crystallite was analyzed by X-ray
diffraction, energy dispersive X-ray spectroscopy, and X-ray photoelectron spectroscopy.
The optical properties of the nanoparticles were characterized by UV–Vis absorption and
photoluminescence spectroscopy. The photocatalytic activity of the nanoparticleswas
investigated by degradation of Rhodamine B under visible-light irradiation. Our results …
synthesis. The incorporation of Gd 3+ ions into Bi 2 WO 6 crystallite was analyzed by X-ray
diffraction, energy dispersive X-ray spectroscopy, and X-ray photoelectron spectroscopy.
The optical properties of the nanoparticles were characterized by UV–Vis absorption and
photoluminescence spectroscopy. The photocatalytic activity of the nanoparticleswas
investigated by degradation of Rhodamine B under visible-light irradiation. Our results …
Abstract
Gd-doped Bi2WO6 nanoparticles were successfully prepared through microwave assisted synthesis. The incorporation of Gd3+ ions into Bi2WO6 crystallite was analyzed by X-ray diffraction, energy dispersive X-ray spectroscopy, and X-ray photoelectron spectroscopy. The optical properties of the nanoparticles were characterized by UV–Vis absorption and photoluminescence spectroscopy. The photocatalytic activity of the nanoparticleswas investigated by degradation of Rhodamine B under visible-light irradiation. Our results showed that Gd-doping plays an important role for enhancing the visible light photocatalytic activity, and the enhanced photocatalytic activity of Gd-doped Bi2WO6 nanoparticles would be mainly correlated with the effective decrease of recombination rate of photogenerated electron–hole pairs.
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