光降解
铋
光催化
材料科学
罗丹明B
硅酸盐
傅里叶变换红外光谱
化学工程
孔雀绿
溶胶凝胶
纳米技术
催化作用
有机化学
化学
吸附
冶金
工程类
作者
K. Karthik,K.R. Sunaja Devi,Dephan Pinheiro,S. Sugunan
标识
DOI:10.1016/j.mssp.2019.104589
摘要
A surfactant mediated sol-gel method is employed to synthesize bismuth silicate heterostructures with tunable morphologies and properties. The synthesized nanoparticle samples were characterized by XRD, FTIR Spectroscopy, SEM-EDAX and UV-DRS. The synthesized bismuth silicates exhibit excellent photodegradation against malachite green and rhodamine B dyes in the aqueous medium. Bismuth silicates (10% SiO2-Bi2O3) show superior photocatalytic property and outstanding reusability compared to pure bismuth oxide. The kinetics of the photodegradation of the dyes shows that the reaction follows first-order kinetics with the regression coefficient of 0.99. Thus, enabling Bismuth silicates heterostructures practical application as a photocatalyst for clean water.
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