Tailoring the structural and optical properties of Makrofol/CdS nanocomposite by gamma radiation

被引：21

作者：

Mahrous, E. M. ^{[1
]}

Barakat, M. Me. ^{[2
,3
]}

Bahareth, Radiyah A. ^{[4
]}

Benthami, K. ^{[5
]}

Nouh, S. A. ^{[1
,6
]}

机构：

[1] Taibah Univ, Fac Sci, Dept Phys, Medina, Saudi Arabia

[2] Taibah Univ, Fac Sci, Dept Phys, Yanbu, Saudi Arabia

[3] Alexandria Univ, Fac Sci, Dept Phys, Alexandria, Egypt

[4] Jeddah Univ, Coll Sci, Phys Dept, Jeddah, Saudi Arabia

[5] Univ Moulay Ismail, Fac Sci, Phys Dept, Meknes, Morocco

[6] Ain Shams Univ, Fac Sci, Phys Dept, Cairo, Egypt

来源：

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T | 2022年 / 18卷

关键词：

Gamma radiation; Polymer nanocomposite; XRD; Optical properties; Color changes; POLYMER; CDS; IRRADIATION; ENERGY; FILMS;

D O I：

10.1016/j.jmrt.2022.04.011

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We synthesized nanocomposite (NCP) from Makrofol polycarbonate (PC) and Cadmium Sulfide (CdS) nanoparticles (NPs) by means of ex-situ casting procedure. We used thermalizes procedure to prepare the NPs in the presence of nitrogen gas stream. Rietveld refinement of x-rays records illustrated that the CdS has cubic and hexagonal constitutions. Samples from the PC-CdS NCP were exposed to g dosages ranging from 20 to 250 kGy. The changes in structure and optical properties of the NCP films were investigated based on the g dosage. The optical bandgap, refractive index, Urbach energy, optical dielectric parameters, chromaticity coordinates, tristimulus values, color intensity and color intercepts have been calculated and interpreted based on g dosages. The bandgap decreased from 4.20 to 4.11 eV with increasing the g dosage due to the domination of crosslinking, which damage the crystalline phase as indicated from X-ray diffraction (XRD). Further, the non irradiated PC-CdS NCP film displayed significant color difference by g irradiation. (c) 2022 The Author(s). Published by Elsevier B.V.

引用

页码：3085 / 3093

页数：9

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