A Quaternary ZnCdSeTe Nanotip Photodetector

The authors report the growth of needle-like high density quaternary Zn 0.87 Cd 0.13 Se 0.98 Te 0.02 nanotips on oxidized Si(100) substrate. It was found that average length and average diameter of the nanotips were 1.3 μm and 91 nm, respectively. It was also found that the as-grown ZnCdSeTe nanotip...

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Bibliographic Details
Published in:Nanoscale research letters 2009-09, Vol.4 (12), p.1540-1546, Article 1540
Main Authors: Chang, SJ, Hsiao, CH, Wang, SB, Cheng, YC, Li, TC, Chang, SP, Huang, BR, Hung, SC
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Materials Science
Molecular Medicine
Nano Express
Nanochemistry
Nanoscale Science and Technology
Nanotechnology
Nanotechnology and Microengineering
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Summary:The authors report the growth of needle-like high density quaternary Zn 0.87 Cd 0.13 Se 0.98 Te 0.02 nanotips on oxidized Si(100) substrate. It was found that average length and average diameter of the nanotips were 1.3 μm and 91 nm, respectively. It was also found that the as-grown ZnCdSeTe nanotips exhibit mixture of cubic zinc-blende and hexagonal wurtzite structures. Furthermore, it was found that the operation speeds of the fabricated ZnCdSeTe nanotip photodetector were fast with turn-on and turn-off time constants both less than 2 s.
ISSN:1556-276X
1931-7573
1556-276X
DOI:10.1007/s11671-009-9432-5