Fabrication of core-shell ZnO/ZnS nanorods by hydrothermal method and study of their structural and optical properties

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GHALAMBOR DEZFULI ABDOLMAOHAMMAD; Goodarzi Hadis; Seidali lir Zahra

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Journal: JOURNAL OF RESEARCH ON MANY BODY SYSTEMS Year:2019 | Volume:8 | Issue:19 Page(s): 175-185

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Title

Fabrication of core-shell ZnO/ZnS nanorods by hydrothermal method and study of their structural and optical properties

Author(s)

GHALAMBOR DEZFULI ABDOLMAOHAMMAD | Goodarzi Hadis | Seidali lir Zahra | Issue Writer Certificate

Keywords

ZnO NanorodsQ1

Core/Shell ZnO/ZnS NanorodsQ1

Hydrothermal MethodQ1

Thermal Decomposition MethodQ1

Surface DefectsQ1

Abstract

In This paper, the production of ZnO Nanorods and ZnO/ZnS core/Shell nanorods are reported. The fabricated nanostructures are characterized and studied using different methods including; X-ray diffraction (XRD), Scanning Electron Microscopy (SEM), Field Emission Scanning Microscopy (FESM), UV-Visible (UV-Vis) and Photoluminescence (PL) spectroscopy. Results of XRD spectrums clearly show a hexagonal Wurtzite crystal structure for ZnO Nanorods and for grown-coated ZnS nanoparticles on ZnO Nanorods a cubic Zinc blende crystal structures. The morphology studies of these structures by SEM and FESM have shown the diameters of ZnO Nanorods, ZnS nanoparticles, and Core/Shell ZnO/ZnS Nanorods to be 70, 20 and 120 nanometers, respectively. The absorption spectra of ZnO/ZnS core/Shell compared to ZnO and ZnS structures have clearly shown a shift of absorption band of core/shell structure towards longer wavelengths. This is due to a reduction of efficient band gaps of core/shell structures, as predicted. Results of PL studies have also shown that the coating of zinc oxide nanorods by ZnS nanoparticles decreases some of the structural defects and, consequently, reduces the visible radiation resulting from the structural defect.

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APA: Copy

GHALAMBOR DEZFULI, ABDOLMAOHAMMAD, Goodarzi, Hadis, & Seidali lir, Zahra. (2019). Fabrication of core-shell ZnO/ZnS nanorods by hydrothermal method and study of their structural and optical properties. JOURNAL OF RESEARCH ON MANY BODY SYSTEMS, 8(19 ), 175-185. SID. https://sid.ir/paper/243819/en

Vancouver: Copy

GHALAMBOR DEZFULI ABDOLMAOHAMMAD, Goodarzi Hadis, Seidali lir Zahra. Fabrication of core-shell ZnO/ZnS nanorods by hydrothermal method and study of their structural and optical properties. JOURNAL OF RESEARCH ON MANY BODY SYSTEMS[Internet]. 2019;8(19 ):175-185. Available from: https://sid.ir/paper/243819/en

IEEE: Copy

ABDOLMAOHAMMAD GHALAMBOR DEZFULI, Hadis Goodarzi, and Zahra Seidali lir, “Fabrication of core-shell ZnO/ZnS nanorods by hydrothermal method and study of their structural and optical properties,” JOURNAL OF RESEARCH ON MANY BODY SYSTEMS, vol. 8, no. 19 , pp. 175–185, 2019, [Online]. Available: https://sid.ir/paper/243819/en

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