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Preparation and characterization of CdS/Si coaxial nanowires by X.L. Fu; L.H. Li; W.H. Tang is a Physics and Astronomy article available to read on EtoBox.
What is Preparation and characterization of CdS/Si coaxial nanowires about?
CdS/Si coaxial nanowires were fabricated via a simple one-step thermal evaporation of CdS powder in mass scale. Their crystallinities, general morphologies and detailed microstructures were characterized by using X-ray diffraction, scanning electron microscope, transmission electron microscope and Raman spectra. The CdS core crystallizes in a hexagonal wurtzite structure with lattice constants of aZ0.4140 nm and cZ0.6719 nm, and the Si shell is amorphous. Five Raman peaks from the CdS core were observed. They are 1LO at 305 cm K1 , 2LO at 601 cm K1 , A 1 -TO at 212 cm K1 , E 1 -TO at 234 cm K1 , and E 2 at 252 cm K1 . Photoluminescence measurements show that the nanowires have two emission bands around 510 and 590 nm, which originate from the intrinsic transitions of CdS cores and the amorphous Si shells, respectively.
Who reads Preparation and characterization of CdS/Si coaxial nanowires?
It is typically read by researchers, students, and practitioners in Physics and Astronomy.
- Author
- X.L. Fu; L.H. Li; W.H. Tang
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0038-1098)
- Published
- 2006
- Language
- EN
- Field
- Physics and Astronomy (Physical Sciences)