Synthesis and characterization of barium molybdate nanostructures with the aid of amino acids and investigation of its photocatalytic degradation of methyl orange

• Published in: Journal of materials science. Materials in electronics 2016-07, Vol.27 (7), p.6773-6778
• Main Authors: Gholami, Ali, Maddahfar, Mahnaz
• Format: Article
• Language: English
• Subjects: Amino acids; Characterization and Evaluation of Materials; Chemistry and Materials Science; Dyes; Electronics; Ferromagnetism; Materials Science; Molybdates; Morphology; Nanostructure; Optical and Electronic Materials; Photocatalysis
• ISSN: 0957-4522; 1573-482X
• DOI: 10.1007/s10854-016-4627-x

In the current study, barium molybdate (BaMoO 4 ) nanostructures were synthesized via a large-scale and facile sonochemical method based on the reaction between barium(II) nitrate hexahydrate and (NH 4 ) 6 Mo 7 O 24 ·4H 2 O in an aqueous solution. Besides, two amino acids leucine and proline were introduce as capping agents and their effects on the morphology and particle size of barium molybdate were investigated. It was found that size and morphology could be easily realized by changing the type of amino acids. XRD, SEM, EDS, and UV–Vis spectroscopy were employed to characterize structural, morphological, and optical properties of BaMoO 4 nanostructures. Barium molybdate (BaMoO 4 ) nanostructures indicated a ferromagnetic behavior at room temperature, as evidenced by using vibrating sample magnetometer. Furthermore, the photocatalysis results reveal that the maximum decolorization of 75 % for methyl orange occurred with BaMoO 4 samples in 70 min under ultraviolet light irradiation.