Document Details

Document Type : Article In Journal 
Document Title :
Synthesis, characterization and photoluminescence properties of Sn doped ZnO nanonails
Synthesis, characterization and photoluminescence properties of Sn doped ZnO nanonails
 
Subject : Physics 
Document Language : English 
Abstract : Vertically aligned undoped ZnO nanowires and Sn doped ZnO nanonails are synthesized on a silicon substrate using vaporsolid technique, without using a catalyst or predeposited buffer layers. The structure and morphology of the as-synthesized nanonails and nanowires are characterized using X-ray diffraction, scanning electron microscopy, transmission electron microscopy, selected area electron diffraction, and electron dispersive X-ray spectroscopy. The results showed that the use of SnCl 2 is critical for the formation of nanonails. Without it, only ZnO nanowires can be obtained. The photoluminescence properties are also investigated at room temperature. The UV peaks of undoped ZnO nanowires and doped nanonails are located at 379.5 and 385.4 nm, respectively. This red shift of 6 nm in the Sn doped samples indicates a reduction of the ZnO band gap caused by the Sn doping. The dominance of the green emission in the nanowires sample indicates that it exhibits a much higher defect concentration than the nanonails. 
ISSN : 0022-0248 
Journal Name : Journal of Crystal Growth 
Volume : 327 
Issue Number : 1 
Publishing Year : 1432 AH
2011 AD 
Article Type : Article 
Added Date : Wednesday, February 8, 2012 

Researchers

Researcher Name (Arabic)Researcher Name (English)Researcher TypeDr GradeEmail
وليد السيد محمودMahmoud, Waleed EResearcherDoctoratew_e_mahmoud@yahoo.com
طلال صدقة الحربيAl-Harbi, Talal SResearcherDoctoratetharbi1@yahoo.com

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