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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
- 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