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Erschienen in:
12.11.2016
Solventless synthesis of m-LaVO4 photocatalyst for the degradation of methylene blue and textile effluent
Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 5/2017
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Abstract
Lanthanum vanadate (LaVO4) nanoplates with monoclinic (m) phase were synthesized by a facile solventless method. Lanthanum nitrate and ammonium metavanadate was used as precursors in this method. X-ray diffraction pattern reveals the monoclinic phase of LaVO4 (m-LaVO4). In addition, average grain size and lattice parameters were also calculated. Fourier transform infrared (FT-IR) analysis confirms the presence of La–O and V–O bonds in the sample. Optical property of m-LaVO4 nanoplates was estimated by DRS UV–visible and photoluminescence spectroscopy. HR-TEM (high resolution-transmission electron microscopy) analysis predicts the formation of LaVO4 nanoplates. Furthermore, m-LaVO4 nanoparticles were utilized as photocatalyst for the photodegradation of methylene blue (MB) dye under visible light illumination. m-LaVO4 photocatalyst showed substantial efficiency for the photodegradation of textile effluent (TE) within 120 min of visible light irradiation.