A Facile Synthesis of Ag/TiO2/rGO Nanocomposites with Enhanced Visible Light Photocatalytic Activity
Meiyan Yu, Teng Yu, Shougang Chen, Zhanhu Guo and Ilwoo Seok
1 College of Materials Science and Engineering, Ocean University of China, Qingdao, 266100, China
2 Department of Chemical and Biomolecular Engineering, University of Tennessee, Knoxville, TN 37996, USA
3 College of Engineering and Computer Sciences, Arkansas State University, State University, AR 72467, USA
Abstract
Ag/TiO2/rGO (silver/titanium-dioxide/reduced graphene oxide) photocatalysts were synthesized by a facile method that without using any inorganic or organic reducing agents. In this research, supercritical water was used as green reducing agent under the hydrothermal condition. The performance and characterization of nanocomposite materials were verified by various measurements: TEM, FTIR, XPS and DRS. Compared with pure TiO2 and TiO2/rGO, newly synthesized material of Ag/TiO2/rGO photocatalyst performed a significantly increased absorption in the range of visible light and improved photocatalytic activity. The interaction between anatase nanoparticles and rGO sheets partially contributed to this result due to the surface plasmon resonance (SPR) of silver nanoparticles. This work gives a promising methodology for new materials to develop a new TiO2-based photocatalyst with high solar absorption and enhanced catalytic activity.
Publication details
Received: 15 Feb 2020
Accepted: 01 Mar 2020
Published online: 01 Mar 2020
Article type:
Research Paper
DOI:
10.30919/esmm5f712
Volume:
7
Page:
64-69
Citation:
ES Materials & Manufacturing, 2020, 7, 64-69
Permissions:
Copyright
Number of downloads:
5684
Citation Information:
23
Description:
A facile manufacturing methodology for the synthesis of Ag/TiO2/rGO nanocomposite with improved visi....
A facile manufacturing methodology for the synthesis of Ag/TiO2/rGO nanocomposite with improved visible light photocatalytic activity was investigated and characterized.
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