Synthesis and optical properties of ZnTe single-crystalline nanowires

Single-crystalline ZnTe nanowires with the zincblende structure have been synthesized on silicon (Si) substrates via a vapor phase transport method. The ZnTe (99.99%) powders were used as the source, and 10 nm-thick thermal evaporated gold (Au) film was used as the catalyst. The as-prepared ZnTe nan...

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Bibliographic Details
Published inJournal of nanoscience and nanotechnology Vol. 6; no. 4; p. 1182
Main Authors Huo, H B, Dai, L, Xia, D Y, Ran, G Z, You, L P, Zhang, B R, Qin, G G
Format Journal Article
LanguageEnglish
Published United States 01.04.2006
Subjects
Electric Wiring
Light
Materials Testing
Molecular Conformation
Nanostructures - chemistry
Nanostructures - ultrastructure
Nanotechnology - methods
Optics and Photonics
Particle Size
Photochemistry - methods
Surface Properties
Tellurium - chemistry
Tellurium - radiation effects
Zinc - chemistry
Zinc - radiation effects
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Summary:Single-crystalline ZnTe nanowires with the zincblende structure have been synthesized on silicon (Si) substrates via a vapor phase transport method. The ZnTe (99.99%) powders were used as the source, and 10 nm-thick thermal evaporated gold (Au) film was used as the catalyst. The as-prepared ZnTe nanowires have diameters of 30-80 nm and lengths of more than 10 microm. The products were analyzed by X-ray diffraction, field emission scanning electron microscopy, and high-resolution transmission electron microscopy. Optical properties of these nanowires were investigated by room-temperature Raman scattering spectrum and temperature-dependent photoluminescence measurements. The results show that the as-prepared ZnTe nanowires are of high crystal quality.
ISSN:1533-4880
DOI:10.1166/jnn.2006.179