Journal
PLASMA CHEMISTRY AND PLASMA PROCESSING
Volume 34, Issue 5, Pages 1129-1139Publisher
SPRINGER
DOI: 10.1007/s11090-014-9546-0
Keywords
Plasma-induced; Nanomaterials; Oxidation; Growth; Optical properties
Funding
- Program for New Century Excellent Talents in University, China [NCET-12-0733]
- National Natural Science Foundation of China [51372113]
- Jiangsu Higher Education Institutions Natural Science Research Project [12KJB430008]
- Specially-Appointed Professors by Universities in Jiangsu Province (SPUJP), China
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Fiber-shaped cupric oxide (CuO) nanoparticles and flower-shaped ZnO nanoparticles were facilely synthesized by plasma-induced technique directly from copper and zinc electrode pair in water, respectively. The phase composition, morphologies and optical property of nanoparticles have been investigated by energy dispersive X-ray analysis, X-ray powder diffraction, transmission electron microscopy and UV-vis. The in situ analysis by an optical emission spectroscopy clarified the formation mechanism. Plasma was generated from the discharge between a metal electrode pair in water by a pulse direct current power. CuO and ZnO nanoparticles were synthesized via almost the same formation mechanism, which were prepared via the rapid energetic radicals' bombardment to electrodes' surface, atom vapour diffusion, plasma expansion, solution medium condensation, and in situ oxygen reaction and further growth. This novel plasma-induced technique will become a potential application in nanomaterials synthesis.
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