Graphene-ZnO nanocomposite for highly efficient photocatalytic degradation of methyl orange dye under solar light irradiation

被引：53
|
作者：
Posa, Venkata Ramana [1 ]
Annavaram, Viswadevarayalu [1 ]
Koduru, Janardhan Reddy [2 ]
Ammireddy, Varada Reddy [3 ]
Somala, Adinarayana Reddy [1 ]
机构：
[1] Yogi Vemana Univ, Dept Mat Sci & Nanotechnol, Kadapa, Andhra Pradesh, India
[2] Kwangwoon Univ, Grad Sch Environm Studies, Seoul 139701, South Korea
[3] Sri Venkateswara Univ, Dept Chem, Tirupati 517502, Andhra Pradesh, India
来源：
KOREAN JOURNAL OF CHEMICAL ENGINEERING | 2016年 / 33卷 / 02期
关键词：
Nanocomposite; ZnO Cubic Voids; Photo Degradation; Methyl Orange Dye; Solar Light Irradiation; GRAPHITE OXIDE; HIGH-PERFORMANCE; COMPOSITES; GAS; PHASE; COPRECIPITATION; ADSORPTION; SEPARATION; HYDROGELS; NANORODS;
D O I：
10.1007/s11814-015-0145-4
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A facile synthesis of graphene oxide-zinc oxide nanocomposite (GO-ZnO) was performed by using wet chemical method of graphene oxide and zinc acetate precursors. The nanocomposite was characterized and intercalated with Raman spectroscopy, FE-SEM, TEM, SAED and EDAX. The crystalline nature was studied from P-XRD, and surface area of the sample was analyzed by BET. The chemical composition was explained in the light of XPS phenomenon. The photo electron-excitation (PL) studies were conducted for understanding the photocatalytic mechanism, and photocatalytic degradation of methyl orange was studied by using UV-VIS spectrophotometer. We investigated the photocatalytic activity involving GO-ZnO nanocomposite besides checking the re-stability of the composite. Significant high-performance photocatalytic activity of GO-ZnO nanocomposite was exhibited on methyl orange degradation under solar light.
引用
收藏
页码：456 / 464
页数：9
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