A FACILE NOVEL SYNTHESIS OF ThO2/Fe3O4 NANOCOMPOSITE WITH ENHANCED PHOTOCATALYTIC ACTIVITY FOR THE DEGRADATION OF MALACHITE GREEN UNDER VISIBLE LIGHT IRRADIATION

被引：1
|
作者：
Arumugam, Ramya [1 ]
Periakaruppan, Prakash [1 ]
Selvanathan, Rayappan [2 ]
机构：
[1] Thiagarajar Coll, Dept Chem, Madurai 625009, Tamil Nadu, India
[2] Arul Anandar Coll, Dept Chem, Karumathur 625514, Tamil Nadu, India
来源：
INTERNATIONAL JOURNAL OF PHARMACEUTICAL SCIENCES AND RESEARCH | 2019年 / 10卷 / 06期
关键词：
ThO2/Fe3O4; nanocomposite; Malachite green; Photocatalysis; Catalyst; the Degradation mechanism; METHYLENE-BLUE; NANOPARTICLES; FABRICATION; PERFORMANCE; ADSORPTION; FUTURE; OXIDES; FE3O4; TIO2; DYES;
D O I：
10.13040/IJPSR.0975-8232.10(6).2902-10
中图分类号：
R9 [药学];
学科分类号：
1007 ;
摘要：
An innovative magnetically separable ThO2/Fe3O4 nanocomposite was successfully synthesized by hydrothermal method. The synthesized ThO2/Fe3O4 nanocomposite was characterized by UV-DRS, FT-IR, XRD, HR-TEM, BET, and TGA techniques. XRD and HR-TEM images displayed the overall spherical shape and confirmed the formation of well crystalline ThO2/Fe3O4 nanocomposite. The catalytic efficiency of ThO2/Fe3O4 was explored for the removal of malachite green dye (MG) from the aqueous phase. The degradation efficiency of about 99.53% was obtained, and the degradation reaction was maximal at pH 5. The results revealed that the synthesized ThO2/Fe3O4 nanocomposite showed enhanced photocatalytic activity compared to the ThO2 and Fe3O4 samples. Based on obtained results, the most plausible mechanism for removal MG has been proposed. The ThO2/Fe3O4 photocatalyst remained a robust performer even after five cycles. This nanocomposite is an effective visible light responsive material which can be used for the removal of various organic pollutants from the environment.
引用
收藏
页码：2902 / 2910
页数：9
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