Kumar, Sunil ; Kamaraju, N. ; Vasu, K. S. ; Nag, Angshuman ; Sood, A. K. ; Rao, C. N. R. (2010) Graphene analogue BCN: femtosecond nonlinear optical susceptibility and hot carrier dynamics Chemical Physics Letters, 499 (1-3). pp. 152-157. ISSN 0009-2614
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00092...
Related URL: http://dx.doi.org/10.1016/j.cplett.2010.09.030
Abstract
Third-order nonlinear absorption and refraction coefficients of a few-layer boron carbon nitride (BCN) and reduced graphene oxide (RGO) suspensions have been measured at 3.2 eV in the femtosecond regime. Optical limiting behavior is exhibited by BCN as compared to saturable absorption in RGO. Nondegenerate time-resolved differential transmissions from BCN and RGO show different relaxation times. These differences in the optical nonlinearity and carrier dynamics are discussed in the light of semiconducting electronic band structure of BCN vis-à-vis the Dirac linear band structure of graphene.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 42370 |
| Deposited On: | 02 Jun 2011 11:52 |
| Last Modified: | 03 Oct 2011 14:31 |
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