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Fabrication and Electrical Properties of Ordered Two-Dimensional Hollow ZnO Shells’ Arrays
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- Authors
- Jae Hyun Moon, Jin Ah Park, Su Jae Lee, Tae Hyoung Zyung
- Issue Date
- 2009-08
- Citation
- Journal of Physics and Chemistry of Solids, v.70, no.8, pp.1166-1170
- ISSN
- 0022-3697
- Publisher
- Elsevier
- Language
- English
- Type
- Journal Article
- Abstract
- Colloidal templating and pulsed laser deposition (PLD) have been combined to fabricate arrays of ordered two-dimensional hollow ZnO cells. Based on a spin-coating method, a facile method has been developed to distribute colloidal bead in an ordered two-dimensional fashion between the fingers of inter-digital transducers. The underlying principle involved in the spin-coating method has been analyzed by obtaining Fourier transformation patterns from the arrangements of beads. The surfaces of oxide shells consist of protruding nano-crystallites, which have a w체rtzite structure of ZnO. Their electrical properties were measured as a function of annealing temperature. The change in the electrical properties upon grain growth has been attributed to alteration in the fraction site availability for defect formation at the grain boundaries. © 2009 Elsevier Ltd. All rights reserved.
- KSP Keywords
- Annealing temperature, Colloidal templating, Defect formation, Facile method, Fourier transformation, Nano-crystallites, electrical properties(I-V curve), grain boundaries, grain growth, spin-coating method, two-dimensional(2D)