Ramanandan, Gopika ; Dharmadhikari, A. K. ; Dharmadhikari, J. A. ; Ramachandran, Hema ; Mathur, D. (2009) Bright visible emission from carbon nanotubes spatially constrained on a micro-bubble Optics Express, 17 (12). pp. 9614-9619. ISSN 1094-4087
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Official URL: http://www.opticsinfobase.org/abstract.cfm?id=1800...
Related URL: http://dx.doi.org/10.1364/OE.17.009614
Abstract
We report emission of broadband light in the spectral range 500 nm - 900 nm from single walled carbon nanotubes (SWNTs) in a liquid environment upon irradiance by a very low power (typically < 5 mW), continuous-wave laser source in a tweezers setup. We show (i) formation of micro-bubbles upon irradiation of fluids containing bundles of SWNTs, (ii) optical trapping of such micro-bubbles, (iii) adhesion of SWNTs on the surface of such micro-bubbles, and (iv) bright emission of white light due to tweezer-induced localized heating of spatially-constrained SWNTs.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Optical Society of America. |
| ID Code: | 77619 |
| Deposited On: | 14 Jan 2012 04:26 |
| Last Modified: | 14 Jan 2012 04:26 |
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