King, M.O., Popland, M., Denholme, S.J., Gregory, D.H., MacLaren, D.A. and Kadodwala, M. (2012) Probing the chemical and electronic properties of the core–shell architecture of transition metal trisulfide nanoribbons. Nanoscale, 4(2), p. 607. (doi: 10.1039/C1NR11522G)
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Publisher's URL: http://dx.doi.org/10.1039/C1NR11522G
Abstract
Ultraviolet and X-ray photoelectron spectroscopies are used to probe the chemical and electronic structure of an amorphous, 2–20 nm-thick shell that encases the crystalline core in core–shell nanoribbons of TaS<sub>3</sub>. The shell is chemically heterogeneous, containing elemental sulfur and a with a notable (S<sub>2</sub>)<sup>2−</sup> deficiency over the crystalline TaS<sub>3</sub> core. We find nanoribbon stability to be substrate-dependent; whilst the ribbons are stable on the native oxide of a silicon surface, mass transport of sulfur species between the amorphous shell and a gold substrate leads to a significant change in the electronic properties of the nanomaterials. Our observations may have general implications for the incorporation of nanostructured transition metal chalcogenides into electronic devices.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | MacLaren, Professor Donald |
| Authors: | King, M.O., Popland, M., Denholme, S.J., Gregory, D.H., MacLaren, D.A., and Kadodwala, M. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Nanoscale |
| ISSN: | 2040-3364 |
| ISSN (Online): | 2040-3372 |
| Published Online: | 06 December 2011 |
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