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Journal Article General Route to Single-Crystalline SnO Nanosheets on Arbitrary Substrates
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Authors
Brijesh Kumar, Deuk-Hee Lee, Sang-Hyeob Kim, Beelyong Yang, Sunglyul Maeng, Sang-Woo Kim
Issue Date
2010-07
Citation
The Journal of Physical Chemistry C, v.114, no.25, pp.11050-11055
ISSN
1932-7447
Publisher
American Chemical Society(ACS)
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1021/jp101682v
Abstract
Novel pure tin monoxide (SnO) nanosheets for use in future functional nanoscale devices were produced on indium tin oxide/glass and SiO2/Si substrates by a thermal chemical vapor deposition process without the use of catalysts or a vacuum system. The SnO nanosheets were grown purely on the substrates without the coexistence of other nanostructures. High-resolution transmission electron microscopy investigations revealed that the structurally uniform SnO nanosheets without planar defects that were produced had preferred growth directions of 짹[110] and 짹[1??10] as well as a single-crystalline tetragonal structure. This work provides a general route for the facile synthesis of single-crystalline SnO nanosheets on arbitrary substrates with single, poly, or amorphous crystal structures. In addition, the selective formation of SnO nanosheets on Pt-deposited patterned SiO 2/Si substrates was successfully accomplished. © 2010 American Chemical Society.
KSP Keywords
Amorphous crystal, Chemical vapor deposition process, Chemical vapour deposition(CVD), Electron microscopy(SEM), Indium Tin Oxide(ITO), Planar defects, Preferred growth, Pure tin, Selective formation, Si substrate, SiO 2