Graphitic Carbon Nitride/Reduced Graphene Oxide/Silver Oxide Nanostructures with Enhanced Photocatalytic Activity in Visible Light

被引：21
|
作者：
Salari, H. [1 ]
Daliri, A. [2 ]
Gholami, M. R. [2 ]
机构：
[1] Shiraz Univ, Coll Sci, Dept Chem, Shiraz, Iran
[2] Sharif Univ Technol, Dept Chem, Tehran, Iran
来源：
PHYSICAL CHEMISTRY RESEARCH | 2018年 / 6卷 / 04期
基金：
美国国家科学基金会;
关键词：
Nanocomposites; Photocatalytic activity; Graphitic carbon nitride; Organic pollutant;
D O I：
10.22036/pcr.2018.137083.1501
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Visible light active graphitic carbon nitride/reduced graphene oxide/silver oxide nanocomposites with a p-n heterojunction structure were synthesized by chemical deposition methods. Prepared samples were characterized by XRD, FTIR, SEM, TEM and DRS. Photocatalytic activity investigated by analyzing the Acid blue 92 (AB92) concentration during the time under visible light. Effects of pH, dye concentration, photocatalyst dosage, and different scavengers on photocatalytic performance were explored. Maximum photocatalytic degradation was observed at pH = 7. Among different scavengers, silver nitrate demonstrated the maximum activity for dye degradation. Photocatalyst with 400 ppm concentration showed the highest activity. Proposed mechanism and reaction kinetics were also discussed.
引用
收藏
页码：729 / 740
页数：12
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