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Title: Low-temperature hydrothermal synthesis of ZnO nanorods: Effects of zinc salt concentration, various solvents and alkaline mineralizers

Abstract

Highlights: • We synthesized ZnO nanorods by a simple hydrothermal process at 60 °C. • Effects of zinc salt concentration, solvent and alkaline mineralizer was studied. • Increasing concentration of zinc salt changed ZnO nucleation system. • NaOH yielded better results in the production of nanorods in both solvents. • Methanol performed better in the formation of nanorods using the two mineralizers. - Abstract: ZnO has been produced using various methods in the solid, gaseous, and liquid states, and the hydrothermal synthesis at low temperatures has been shown to be an environmentally-friendly one. The current work utilizes a low reaction temperature (60 °C) for the simple hydrothermal synthesis of ZnO nanorod morphologies. Furthermore, the effects of zinc salt concentration, solvent type and alkaline mineralizer type on ZnO nanorods synthesis at a low reaction temperature by hydrothermal processing was studied. Obtained samples were analyzed using X-ray powder diffraction (XRD) and scanning electron microscopy (SEM). Increasing the concentration of the starting zinc salt from 0.02 to 0.2 M changed ZnO nucleation system from the homogeneous to the heterogeneous state. The XRD results confirmed the production hexagonal ZnO nanostructures of with a crystallite size of 40.4 nm. Varying the experimental parameters (mineralizer andmore » solvent) yielded ZnO nanorods with diameters ranging from 90–250 nm and lengths of 1–2 μm.« less

Authors:
 [1];  [2]; ;  [1]
  1. Department of Metallurgical Engineering, Faculty of Engineering, Ferdowsi University of Mashhad (FUM) Campus, Azadi Sq., Mashhad, Khorasan Razavi (Iran, Islamic Republic of)
  2. Department of Material Science and Metallurgy, Amirkabir University of Technology, Tehran (Iran, Islamic Republic of)
Publication Date:
OSTI Identifier:
22581438
Resource Type:
Journal Article
Journal Name:
Materials Research Bulletin
Additional Journal Information:
Journal Volume: 74; Other Information: Copyright (c) 2015 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0025-5408
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; CONCENTRATION RATIO; HEXAGONAL LATTICES; HYDROTHERMAL SYNTHESIS; METHANOL; MORPHOLOGY; NANOSTRUCTURES; NUCLEATION; POWDERS; SALTS; SCANNING ELECTRON MICROSCOPY; SODIUM HYDROXIDES; SOLIDS; SOLVENTS; TEMPERATURE DEPENDENCE; X-RAY DIFFRACTION; ZINC OXIDES

Citation Formats

Edalati, Khatereh, E-mail: kh_ed834@stu.um.ac.ir, Shakiba, Atefeh, Vahdati-Khaki, Jalil, and Zebarjad, Seyed Mojtaba. Low-temperature hydrothermal synthesis of ZnO nanorods: Effects of zinc salt concentration, various solvents and alkaline mineralizers. United States: N. p., 2016. Web. doi:10.1016/J.MATERRESBULL.2015.11.001.
Edalati, Khatereh, E-mail: kh_ed834@stu.um.ac.ir, Shakiba, Atefeh, Vahdati-Khaki, Jalil, & Zebarjad, Seyed Mojtaba. Low-temperature hydrothermal synthesis of ZnO nanorods: Effects of zinc salt concentration, various solvents and alkaline mineralizers. United States. doi:10.1016/J.MATERRESBULL.2015.11.001.
Edalati, Khatereh, E-mail: kh_ed834@stu.um.ac.ir, Shakiba, Atefeh, Vahdati-Khaki, Jalil, and Zebarjad, Seyed Mojtaba. Mon . "Low-temperature hydrothermal synthesis of ZnO nanorods: Effects of zinc salt concentration, various solvents and alkaline mineralizers". United States. doi:10.1016/J.MATERRESBULL.2015.11.001.
@article{osti_22581438,
title = {Low-temperature hydrothermal synthesis of ZnO nanorods: Effects of zinc salt concentration, various solvents and alkaline mineralizers},
author = {Edalati, Khatereh, E-mail: kh_ed834@stu.um.ac.ir and Shakiba, Atefeh and Vahdati-Khaki, Jalil and Zebarjad, Seyed Mojtaba},
abstractNote = {Highlights: • We synthesized ZnO nanorods by a simple hydrothermal process at 60 °C. • Effects of zinc salt concentration, solvent and alkaline mineralizer was studied. • Increasing concentration of zinc salt changed ZnO nucleation system. • NaOH yielded better results in the production of nanorods in both solvents. • Methanol performed better in the formation of nanorods using the two mineralizers. - Abstract: ZnO has been produced using various methods in the solid, gaseous, and liquid states, and the hydrothermal synthesis at low temperatures has been shown to be an environmentally-friendly one. The current work utilizes a low reaction temperature (60 °C) for the simple hydrothermal synthesis of ZnO nanorod morphologies. Furthermore, the effects of zinc salt concentration, solvent type and alkaline mineralizer type on ZnO nanorods synthesis at a low reaction temperature by hydrothermal processing was studied. Obtained samples were analyzed using X-ray powder diffraction (XRD) and scanning electron microscopy (SEM). Increasing the concentration of the starting zinc salt from 0.02 to 0.2 M changed ZnO nucleation system from the homogeneous to the heterogeneous state. The XRD results confirmed the production hexagonal ZnO nanostructures of with a crystallite size of 40.4 nm. Varying the experimental parameters (mineralizer and solvent) yielded ZnO nanorods with diameters ranging from 90–250 nm and lengths of 1–2 μm.},
doi = {10.1016/J.MATERRESBULL.2015.11.001},
journal = {Materials Research Bulletin},
issn = {0025-5408},
number = ,
volume = 74,
place = {United States},
year = {2016},
month = {2}
}