Fabrication and characterization of three-dimensional core–shell structure ZnO photonic crystals by magnetron sputtering based on opal template

Using polystyrene (PS) opal templates and RF magnetron sputtering, three-dimensional (3D) zinc oxide (ZnO) photonic crystals (PCs) of core–shell structures are prepared. Scanning electron microscopic (SEM) spectra show that there are up to five layers in the samples while X-ray diffraction (XRD) spe...

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Bibliographic Details
Published in:Journal of crystal growth 2010-08, Vol.312 (16), p.2484-2488
Main Authors: Yu-Ying, Xiong, Feng, Kang, Zheng, Ke, Shi-Yi, Zhuo, Cui-Fen, Liang, Zhenxi, Zhang
Format: Article
Language:English
Subjects:
A3. Magnetron sputtering
B1. Composite opals
B1. Photonic crystal
B1. Zinc oxide
Core-shell structure
Cross-disciplinary physics: materials science
rheology
Crystal growth
Deposition by sputtering
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Magnetron sputtering
Materials science
Methods of deposition of films and coatings
film growth and epitaxy
Optical materials
Optics
Photonic bandgap materials
Photonic crystals
Physics
Polystyrene resins
Scanning electron microscopy
Spectra
Zinc oxide
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Summary:Using polystyrene (PS) opal templates and RF magnetron sputtering, three-dimensional (3D) zinc oxide (ZnO) photonic crystals (PCs) of core–shell structures are prepared. Scanning electron microscopic (SEM) spectra show that there are up to five layers in the samples while X-ray diffraction (XRD) spectra indicate that they are of hexagonal wurtzite structures, preferentially (0 0 2) oriented. Ultraviolet–visible (UV–vis) spectra confirm the existence of photonic band gaps (PBG) in the samples.
ISSN:0022-0248
1873-5002
DOI:10.1016/j.jcrysgro.2010.05.029