Tailoring the optical properties of PC/ZnS nanocomposite by γ radiation

被引:20
作者
Bahareth, Radiyah A. [1 ]
Barakat, Mai ME. [2 ,3 ]
Alhodaib, Aiyeshah [4 ]
Aldawood, Saad [5 ]
Nouh, Samir A. [6 ,7 ]
机构
[1] Jeddah Univ, Phys Dept, Coll Sci, Jeddah, Saudi Arabia
[2] Taibah Univ, Fac Sci Yanbu, Phys Dept, Yanbu, Saudi Arabia
[3] Alexandria Univ, Phys Dept, Fac Sci, Alexandria, Egypt
[4] Qassim Univ, Dept Phys, Coll Sci, Buraydah, Qassim, Saudi Arabia
[5] King Saud Univ, Dept Phys & Astron, Coll Sci, POB 2455, Riyadh 11451, Saudi Arabia
[6] Taibah Univ, Phys Dept, Coll Sci, Al Madina Al Munawarah, Saudi Arabia
[7] Ain Shams Univ, Phys Dept, Fac Sci, Cairo, Egypt
关键词
NANOPARTICLES; ELECTROLYTES; CONSTANTS; PURE; ZNS;
D O I
10.1051/epjap/2021210053
中图分类号
O59 [应用物理学];
学科分类号
摘要
Chemical coprecipitation methodology in atmospheric air has been used to prepare Zinc sulfide (ZnS) nanoparticles (NPs); EDTA-ethylenediamine was used as stabilizing agent. Then ex-situ casting technique was used to synthesis nanocomposite (NCP) from Polycarbonate polymer (PC) and the synthesized ZnS NPs. Detection analysis of XRD records demonstrated that synthesized ZnS adjusts cubic zinc blend construction of lattice constant matches 5.345 angstrom and an average grain size 4nm. PC/ZnS NCP samples were irradiated with doses of gamma radiation in the range 25-230 kGy. The modifications in optical parameters of the irradiated NCP samples were investigated using UV spectroscopic analysis and CIE color variation technique. Tauc's model and optical dielectric loss assisted in estimating the optical band gap (E-g) and to recognize the type of electronic transition. E-g decreased from 3.83 to 3.00 eV upon increasing the radiation doses gamma up to 230 kGy; demonstrating the enhancement of the amorphous phase in the NCP. This was conveyed by an increase in the refractive index. Moreover, the color variations were explored using UV transmission spectra and the CIELAB color space methodology. The gamma radiation causes a reduction in green and blue color components, conveyed by an increase in whiteness. This led to a noteworthy color variation that is applicable in marketable imitation on printing press.
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页数:8
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