Photocatalytic degradation of erythromycin under visible light by zinc phthalocyanine-modified titania nanoparticles

被引：48
|
作者：
Vignesh, K. [1 ]
Rajarajan, M. [1 ]
Suganthi, A. [2 ]
机构：
[1] Cardamom Planters Assoc Coll, PG & Res Dept Chem, Bodinayakanur 625513, Tamil Nadu, India
[2] Thiagarajar Coll, PG & Res Dept Chem, Madurai 625009, Tamil Nadu, India
来源：
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING | 2014年 / 23卷
关键词：
Photocatalysis; Visible light; TiO2; Zinc phthalocyanine; Erythromycin;
D O I：
10.1016/j.mssp.2014.02.050
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Zinc phthalocyanine modified TiO2 nanoparticles (Znpc-TiO2) were prepared by the chemical impregnation method to improve the photocatalytic activity of TiO2 under visible light. The prepared nanoparticles were characterized by UV-vis diffuse reflectance spectroscopy (UV-vis-DRS), X-ray powder diffraction, scanning electron microscopy transmission electron microscopy and Brunauer-Emmett-Teller. surface area analysis techniques. The photocatalytic activity of Znpc-TiO2 was investigated for the degradation of erythromycin. The results revealed that UV-vis absorption edge of Znpc-TiO2 is slightly shifted towards visible region and it has a higher surface area than that of TiO2. The photocatalytic activity of Znpc-TiO2 was superior (74.21%) than that of TiO2 (31.57%). Besides the photocatalyst (Znpc-TiO2) is stable and may be reused for several times. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：98 / 103
页数：6
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