Cherian, Roby and Nandy, Ashis Kumar and Mahadevan, Priya and Sarma, DD (2009) Can Nano Silicon Be Made Optically Active? In: Journal of Nanoscience and Nanotechnology, 9 (9). pp. 5561-5563.
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There has been a lot of effort to make Silicon optically active. In this work we examine two methods of generating nanocrystals of Silicon from bulk fragments. This approach of ours allows us to play with the shape of the nanocrystals and therefore the degeneracy of the conduction band minimum. We go on to examine whether similar sized particles with different shapes have the same physical properties, and finally whether Silicon may be rendered optically active by this route. While we do find that similar sized particles with different shapes may have different band gaps, this route of modifying the degeneracy of the conduction band minimum makes nano Si slightly optically active.
| Item Type: | Journal Article |
|---|---|
| Publication: | Journal of Nanoscience and Nanotechnology |
| Publisher: | American Scientific Publishers |
| Additional Information: | Copyright of this article belongs to American Scientific Publishers. |
| Keywords: | Nanocrystals;Optical Properties. |
| Department/Centre: | Division of Chemical Sciences > Solid State & Structural Chemistry Unit |
| Date Deposited: | 23 Oct 2009 07:36 |
| Last Modified: | 23 Oct 2009 07:36 |
| URI: | http://eprints.iisc.ac.in/id/eprint/23269 |
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