Gold nanoparticles doped Polyvinyl Alcohol/Chitosan blend via laser ablation for electrical conductivity enhancement

被引：85
作者：
Tommalieh, M. J. [1 ]
Ibrahium, Hala A. [2 ,3 ]
Awwad, Nasser S. [3 ]
Menazea, A. A. [4 ,5 ]
机构：
[1] Taibah Univ, Fac Sci, Phys Dept, Al Madinah Al Munawarah, Saudi Arabia
[2] Nucl Mat Author, Dept Semi Pilot Plant, POB 530, El Maadi, Egypt
[3] King Khalid Univ, Res Ctr Adv Mat Sci RCAMS, POB 9004, Abha 61413, Saudi Arabia
[4] Natl Res Ctr, Phys Div, Laser Technol Unit, Giza 12622, Egypt
[5] Natl Res Ctr, Spect Dept, Phys Div, Giza 12622, Egypt
来源：
JOURNAL OF MOLECULAR STRUCTURE | 2020年 / 1221卷
关键词：
Laser ablation; Polyvinyl alcohol; chitosan; Gold nanoparticles; XRD; UV-Visible; Ac conductivity; CARBONATED HYDROXYAPATITE; EPSILON-POLYCAPROLACTONE; CHITOSAN COMPOSITE; NANOSECOND LASER; TEMPERATURE; FILMS; PERFORMANCE; SCAFFOLDS; OXIDE; PH;
D O I：
10.1016/j.molstruc.2020.128814
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Blend of Polyvinyl Alcohol (PVA) and Chitosan (CS) doped by various concentrations of gold nanoparticles were prepared via one-pot laser ablation route to improve the performance of electrical conductivity of PVA/CS. The physical properties of the synthesized PVA/CS/AuNPs were analyzed via XRD, UV-Visible, and FE-SEM. The electrical conductivity of PVA/CS/AuNPs films has been analyzed. The influences of the various laser ablation times for production of gold nanoparticles that have been doped in PVA/CS blend on the characterizations of the synthesized samples have been obtained via several techniques. XRD shows sharp diffraction peak at 2 theta - 38 degrees related to gold nanoparticles that approved the interaction between PVA/CS and gold nanoparticles. According our results, it was show a presence of the characteristic peak of SPR of AuNPs in the UV-Vis absorption spectra at about 536 nm. AC conductivity has been increased as the concentration of AuNPs increased in PVA/CS matrix leading its suggestion for electrical applications. (C) 2020 Elsevier B.V. All rights reserved.
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页数：7
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