Journal of Nanoscience and Nanoengineering
Articles Information
Journal of Nanoscience and Nanoengineering, Vol.2, No.5, Oct. 2016, Pub. Date: Nov. 2, 2016
Finding the Chirality of Semiconducting DWCNT Using Empirical Equation of Radial Breathing Mode Frequency of RRS and Optical Transition Energy
Pages: 34-39 Views: 1611 Downloads: 484
Authors
[01] Adnan Siraj Rakin, Department of Electrical and Electronic Engineering, Bangladesh University of Engineering and Technology, Dhaka, Bangladesh.
[02] S. M. Mominuzzaman, Department of Electrical and Electronic Engineering, Bangladesh University of Engineering and Technology, Dhaka, Bangladesh.
Abstract
The main objective of this work is to obtain the Chirality of inner and outer tube of double walled carbon nanotube successfully for the first time taking the interaction effect of the walls of Double Walled Carbon Nanotubes (DWNT) into account. Once the diameter is obtained from the Radial Breathing Mode (RBM) Frequency of Resonant Raman Spectroscopy (RRS) then this can be used as a base to form an equation with the chiralities of inner and outer tube which was previously shown for Single walled carbon nanotube. By Taking the interaction effect into account both the RBM frequency and Optical transition energy relation with diameter were modified for DWNT. This improved equation gave accurate diameter of the tubes from Radial Breathing Mode frequency with almost no error. Since from RRS the diameter and Optical transition energy is known and their relation with chirality can be used to solve for the chirality of both inner and outer tube. While solving those two equations the interaction effect between the tubes were also taken into account by building a proper algorithm.
Keywords
Double Walled Carbon Nanotube, Raman Spectroscopy, Optical Transition Energy, Chirality
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