Improvement in electrical conductivity characterization of chitosan/Poly (ethylene oxide) incorporated with V2O5 NPs via laser ablation

被引:21
作者
Awwad, Nasser S. S. [1 ]
Ibrahium, Hala A. A. [2 ,3 ]
Abd El-Kader, M. F. H. [4 ]
Ali, H. Elhosiny [5 ]
Mostafa, Ayman M. M. [6 ,7 ]
Menazea, A. A. [6 ,7 ]
机构
[1] King Khalid Univ, Fac Sci, Chem Dept, POB 9004, Abha 61413, Saudi Arabia
[2] King Khalid Univ, Fac Sci, Biol Dept, POB 9004, Abha 61413, Saudi Arabia
[3] Nucl Mat Author, Dept Semi Pilot Plant, POB 530, El Maadi, Egypt
[4] Cairo Univ, Fac Sci, Biophys Dept, Giza, Egypt
[5] King Khalid Univ, Fac Sci, Phys Dept, POB 9004, Abha 61413, Saudi Arabia
[6] Natl Res Ctr, Phys Res Inst, Spect Dept, Giza, Egypt
[7] Natl Res Ctr, Ctr Excellent Adv Sci, Laser Technol Unit, Giza 12622, Egypt
来源
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T | 2022年 / 16卷
关键词
Chitosan-PEO; Vanadium oxide nanoparticles; Laser ablation; Electrical conductivity; NANOFIBROUS SCAFFOLDS; POLYMER ELECTROLYTE; NANOPARTICLES; STABILITY; CERAMICS; DESIGN; PURE;
D O I
10.1016/j.jmrt.2021.12.022
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
One-potential laser ablation of pure vanadium plate immersed in chitosan-PEO (50/50 wt. %) solution to get (chitosan-PEO) filled directly by V2O5 NPs. The casting process was used to make chitosan-PEO/V2O5 NPs composite films. X-ray diffraction (XRD), ultraviolet-visible spectra (UV-Vis), scanning electron microscopy (SEM), and Ac conductivity were used to investigate the effect of various periods of laser ablation on the properties of the synthesized chitosan-PEO/V2O5 NPs films. XRD and SEM confirm V(2)O(5 )NPs and chitosan-PEO matrix complexation. XRD results represent significant diffraction peaks at 15.7 degrees, 20.4 degrees, and 26.3 degrees that attributed to the incorporation of vanadium oxide nanoparticles in chitosan-PEO. V2O5 NPs were obtained to have an average crystal size equal to 23.3 +/- 0.56 nm for 7 min and equal to 23.3 +/- 0.94 for 12 min. After doping the chitosan-PEO matrix with V2O5 NPs, the direct and indirect optical bandgaps exhibit a decrease in its values. epsilon' and epsilon '' is very high in the low frequency then decrease with increase the frequency. Also, we found that both (s') and (s '') at low frequencies is very high for the produced pure chitosan-PEO blend and by the incorporation with V2O5 NPs it decreased by raising the laser ablation times. (sigma(ac)') and (sigma(ac)'') are is constant in the low frequency then (sigma(ac)') increase and (sigma(ac)'') decrease with increase the frequencies. (C) 2021 Published by Elsevier B.V.
引用
收藏
页码:1272 / 1282
页数:11
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