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Linear/nonlinear optical properties of functional inorganic MgO nano-filler in PVA transparent polymer for flexible optoelectronic devices
被引:39
作者:
Shamekh, A. M. A.
[1
,2
]
Shaalan, N. M.
[1
,3
]
Hanafy, T. A.
[4
,5
,6
]
Rashad, M.
[1
,4
,5
]
机构:
[1] Assiut Univ, Fac Sci, Phys Dept, Assiut, Egypt
[2] Qassim Univ, Coll Sci & Arts Uglat Asugour, Dept Phys, Buraydah, Saudi Arabia
[3] King Faisal Univ, Fac Sci, Phys Dept, POB 400,Al Ahsa, Al Hufuf 31982, Saudi Arabia
[4] Univ Tabuk, Fac Sci, Dept Phys, Tabuk, Saudi Arabia
[5] Univ Tabuk, Fac Sci, Nanotechnol Res Lab, Tabuk, Saudi Arabia
[6] Fayoum Univ, Fac Sci, Dept Phys, Al Fayyum 63514, Egypt
关键词:
PVA;
Nonlinear optical;
Metal oxide;
Optical properties;
Nanocomposite;
Dispersion;
THIN-FILMS;
ELECTRICAL-PROPERTIES;
PARAMETERS;
GROWTH;
GAP;
D O I:
10.1016/j.physb.2022.414617
中图分类号:
O469 [凝聚态物理学];
学科分类号:
070205 ;
摘要:
Structural features of different PVA/MgO nanocomposite films, where 0 <= MgO wt% <= 5, using XRD and Raman spectra were correlated with their linear/nonlinear optical properties. The XRD spectra revealed a decrease in the crystallinity of the PVA semi-crystalline polymer with the addition of 1 wt% of MgO nano-filler in the host polymer along with an increase with further increase of the MgO nano-filler concentration. The Raman spectra along with the calculated increase in the width of localized states Ee within the optical energy gap with increasing MgO wt% suggested formation of new structural disorders, defects and impurities at the internal grain boundaries between the dispersed MgO nano-filler and the PVA matrix. The linear/nonlinear optical properties of different PVA/MgO nanocomposites films such as energy gap, linear/nonlinear refractive index, optical conductivity, the third order susceptibility, dispersion energy, and other optoelectronic parameters were eval-uated using UV/Vis/NIR spectrophotometer. All the calculated optical parameters were found to be MgO wt% dependent and revealed a guide for tuning the optical properties of PVA films using MgO nano-filler for usage in flexible optoelectronic applications.
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