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ZnO microstructures and nanostructures prepared by sol-gel hydrothermal technique
Sharul Ashikin Kamaruddin1, Kah-Yoong Chan, Mohd Zainizan Sahdan
1Faculty of Engineering, Multimedia University, 63100 Cyberjaya, Selangor, Malaysia.
Journal of Nanoscience and Nanotechnology
|December 8, 2010
Summary
Researchers fabricated zinc oxide (ZnO) microstructures and nanostructures using a sol-gel method. These structures show potential for large-area electronics like solar cells and transistors.
Area of Science:
- Materials Science
- Nanotechnology
- Solid State Physics
Background:
- Zinc oxide (ZnO) is a promising semiconductor material for advanced electronic applications.
- Large-area electronics, including thin-film solar cells and transistors, require novel material solutions.
- ZnO's unique properties make it a candidate for these emerging technologies.
Purpose of the Study:
- To synthesize and characterize zinc oxide (ZnO) microstructures and nanostructures.
- To explore the influence of precursor concentration on ZnO structure formation.
- To evaluate the structural and optical properties of the synthesized ZnO.
Main Methods:
- Sol-gel immerse technique using zinc nitrate hexahydrate and hexamethylenetetramine precursors.
- Varying precursor concentrations from 0.0001 M to 0.01 M.
- Characterization using Scanning Electron Microscopy (SEM), Atomic Force Microscopy (AFM), X-ray Diffraction (XRD), Photoluminescence (PL), and UV-Vis spectroscopy.
Main Results:
- Successful synthesis of ZnO microstructures and nanostructures via sol-gel method.
- Morphological, structural, and optical properties were systematically investigated.
- The study provides a foundation for understanding ZnO synthesis for electronic applications.
Conclusions:
- The sol-gel synthesize technique is effective for producing ZnO micro/nanostructures.
- Characterization confirmed the structural and optical properties of the synthesized ZnO.
- These findings support the use of ZnO in large-area electronic devices.
