Document Detail


Beaklike SnO2 nanorods with strong photoluminescent and field-emission properties.
MedLine Citation:
PMID:  17193566     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Beaklike SnO2 nanorods were synthesized by a vapor-liquid-solid approach using Au as a catalyst. The nanorods grow along the [10 1] direction and the beak is formed by switching the growth direction to [1 12] through controlling the growth conditions at the end of the synthesis. The photoluminescence (PL) spectrum of the nanorods exhibits visible light emission with a peak at 602 nm. The field-emission (FE) properties of the nanorods have been measured to exhibit a turn-on field of 5.8 V microm(-1). A comparative study of FE measurements between SnO2 nanorods with uniform diameters and these beaklike nanorods suggests that the shape and curved tips are important factors in determining the FE properties.
Authors:
Jr H He; Te H Wu; Cheng L Hsin; Kun M Li; Lih J Chen; Yu L Chueh; Li J Chou; Zhong L Wang
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Small (Weinheim an der Bergstrasse, Germany)     Volume:  2     ISSN:  1613-6829     ISO Abbreviation:  Small     Publication Date:  2006 Jan 
Date Detail:
Created Date:  2006-12-28     Completed Date:  2007-01-30     Revised Date:  2008-04-17    
Medline Journal Info:
Nlm Unique ID:  101235338     Medline TA:  Small     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  116-20     Citation Subset:  IM    
Affiliation:
Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu 300, Taiwan.
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MeSH Terms
Descriptor/Qualifier:
Crystallization / methods*
Dose-Response Relationship, Radiation
Light
Luminescence*
Luminescent Measurements / methods*
Materials Testing
Molecular Conformation
Nanotechnology / methods*
Nanotubes / chemistry*,  radiation effects,  ultrastructure*
Particle Size
Photochemistry / methods
Radiation Dosage
Surface Properties
Tin Compounds / chemistry*,  radiation effects
Chemical
Reg. No./Substance:
0/Tin Compounds; 18282-10-5/stannic oxide

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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