Optical Properties of PVA Films Doped with Gold-Graphene Nanocomposite Synthesized by Pulsed Laser Ablation

被引：0
|
作者：
Maljaei, Roya [1 ]
Sari, Amir Hossein [1 ]
Dorranian, Davoud [1 ]
机构：
[1] Islamic Azad Univ, Plasma Phys Res Ctr, Laser Lab, Sci & Res Branch, Tehran, Iran
来源：
JOURNAL OF NANO RESEARCH | 2021年 / 68卷
关键词：
laser ablation; gold-graphene; nano colloidal solution; PVA film; optical properties; NANOPARTICLES; LIQUID;
D O I：
10.4028/www.scientific.net/JNanoR.68.123
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this research optical properties of synthesized gold-graphene/polyvinyl alcohol (AuG/PVA) nanocomposite have been investigated. Gold and graphene nano colloidal solution (NCS) synthesized by laser ablation method individually. The resulting NCS were characterized by UV-Vis absorption spectroscopy, scanning electron microscopy (SEM), and transmission electron microscopy (TEM). PVA/Au and PVA/AuG with different concentration of AuG were mixed to form polymeric films via solution casting. Doped polymeric films were analyzed by FTIR and spectrophotometer analyses. The results show that by increasing of AuG concentration, the band gap energy of the PVA films significantly enhanced and other optical parameters such as refraction and extinction coefficients remarkably changed.
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页码：123 / 137
页数：15
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