光催化
钒酸盐
甲基橙
降级(电信)
亚甲蓝
水溶液
材料科学
化学工程
光化学
红氨酸
阳离子聚合
化学
核化学
无机化学
催化作用
高分子化学
有机化学
计算机科学
电信
工程类
作者
Atefeh Karami,Rozita Monsef,Mustafa Ridha Shihan,Laith Yassen Qassem,Mayadah W. Falah,Masoud Salavati‐Niasari
标识
DOI:10.1016/j.eti.2022.102947
摘要
This study investigates synthesis of erbium vanadate nanostructures via carboxylic-assisted pechini method to optimization the morphology, size and physicochemical properties. The optimized ErVO4 nanoparticles with range size of 12–98 nm were subjected to photocatalytic ability for dye decolorization of Methyl orange (MO), Erythrosine (ER), and Methylene blue (MB) using ultraviolet irradiation. The correlation between the operational parameters (pollutant concentration and catalyst loading) and optoelectronic properties in addition to the catalytic performance of the ErVO4 structure is reported. The ideal condition for activity of ErVO4 nano-photocatalyst achieved in the 10 ppm aqueous solution of MB with catalyst loading of 0.05 g which presents 77.85% efficiency for decolorization of colored pollutant model. The recycle photocatalytic efficiency after 4 cycles is about 69.25%. Additionally, the photocatalytic mechanism direction studied in the presence of some scavengers which confirms the role of hydroxyl radical in the removal of MB. The magnetic properties of ErVO4 studied through VSM which shows the paramagnetic behavior with saturation magnetization is 1.3341 emu g−1.
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