On the structural and optical properties of nano-ZnO and its morphologies

Since, variety of morphologies is reported for nano zinc oxide (ZnO), few of those which are useful for applications, are analyzed here with reference to optical properties. Nanoparticles, nanorods and chunk-shaped nanostructures are grown and these growth mechanisms were discussed in detail. The ch...

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Bibliographic Details
Published in:Journal of luminescence 2014-02, Vol.146, p.226-233
Main Authors: Rajamanickam, N., Rajashabala, S., Ramachandran, K.
Format: Article
Language:English
Subjects:
Chunk-shaped ZnO
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Lattice dynamics
Luminescence
Magnetooptical effects
Materials science
Morphology
Nanoparticles
Nanopowders
Nanorods
Nanoscale materials and structures: fabrication and characterization
Nanostructure
Optical properties
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of bulk materials and thin films
Phonon states and bands, normal modes, and phonon dispersion
Phonons and vibrations in crystal lattices
Physics
Verdet constant
Vibration mode
Zinc oxide
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Summary:Since, variety of morphologies is reported for nano zinc oxide (ZnO), few of those which are useful for applications, are analyzed here with reference to optical properties. Nanoparticles, nanorods and chunk-shaped nanostructures are grown and these growth mechanisms were discussed in detail. The chemical compositions and vibration modes were analyzed by FTIR. UV–vis and PL characterization were also analyzed. The Verdet constants, obtained from the Faraday rotation of polarized light for all synthesized nanostructures, show distinct behavior of the above ZnO nanostructures. •Nanorod and chunk-shaped nano ZnO synthesized by varying precursor/reaction agent.•The growth mechanism was discussed for varieties of ZnO morphologies.•The Verdet constants were measured from the Faraday rotation method for ZnO nanostructures.•The optical responses were analyzed by FTIR, UV–vis, and PL spectra.
ISSN:0022-2313
1872-7883
DOI:10.1016/j.jlumin.2013.09.074