NDLI: The modification of structural and optical properties of nano- and submicron ZnO powders by variation of solvothermal syntheses conditions

Content Provider	Springer Nature Link
Author	Luković Golić, D. Ćirković, J. Šćepavić, M. Srećković, T. Longo, E. Varela, J. A. Daneu, N. Stamenković, V. Branković, G. Branković, Z.
Copyright Year	2014
Abstract	Nano- (30–60 nm) and submicron (100–350 nm) ZnO particles were synthesized using solvothermal method at 200 °C from an ethanolic solution of zinc acetate dihydrate, applying different reaction conditions, i.e., pH value of precursor and time of the reaction. The X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), UV–vis diffuse reflectance (DR), Raman spectroscopy, and photoluminescence (PL) spectroscopy have been employed for characterization of synthesized ZnO powders. It was shown that the structural, morphological, and optical properties are largely determined by reaction conditions during solvothermal synthesis. The particle crystallinity improves with the decrease of pH value and/or the increase of time of the reaction. The Raman and PL spectra analyses indicate that the oxygen interstitials are dominant intrinsic defects in solvothermally synthesized ZnO powders. It was observed that concentration of defects in wurtzite ZnO crystal lattices slightly changes with the variation of pH value of the precursor and time of the solvothermal reaction. The correlation between structural ordering and defect structure of particles and corresponding growth processes was discussed.
Starting Page	1
Ending Page	11
Page Count	11
File Format	PDF
ISSN	13880764
Journal	Journal of Nanoparticle Research
Volume Number	16
Issue Number	10
e-ISSN	1572896X
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-10-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	ZnO Nano- and submicron particles Solvothermal synthesis Growth mechanism Structure ordering Photoluminescence Nanotechnology Inorganic Chemistry Characterization and Evaluation of Materials Physical Chemistry Optics, Optoelectronics, Plasmonics and Optical Devices
Content Type	Text
Resource Type	Article
Subject	Chemistry Nanoscience and Nanotechnology Atomic and Molecular Physics, and Optics Condensed Matter Physics Bioengineering Modeling and Simulation

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