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Structural and optical properties of Cu2O nanoparticles formed on Al2O3 substrates using spin coating and thermal treatment
- Authors
- Son, Dong Ick; Oh, Do Hyun; Kim, Tae Whan
- Issue Date
- Nov-2010
- Publisher
- Elsevier BV
- Citation
- Physica E: Low-Dimensional Systems and Nanostructures, v.43, no.1, pp 13 - 16
- Pages
- 4
- Indexed
- SCI
SCIE
SCOPUS
- Volume
- 43
- Number
- 1
- Start Page
- 13
- End Page
- 16
- ISSN
- 1386-9477
1873-1759
- Abstract
- Cu2O nanoparticles were grown on Al2O3 substrates by spin coating and thermal treatment. X-ray diffraction patterns, scanning electron microscopy images, X-ray energy dispersive spectroscopy profiles, and high-resolution transmission electron microscopy images showed that Cu2O nanoparticles were formed on Al2O3 substrates. The photoluminescence (PL) peaks at 30 K were attributed to the excitonic peaks corresponding to interband transitions in the Cu2O nanoparticles, and the PL peak at 300 K was related to the optical phonons in the nanoparticles.
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