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Appearance of radial breathing modes in Raman spectra of multi-walled carbon nanotubes upon laser illumination

DSpace at IIT Bombay

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Title Appearance of radial breathing modes in Raman spectra of multi-walled carbon nanotubes upon laser illumination
 
Creator RAI, PADMNABH
MOHAPATRA, DIPTI R
HAZRA, KS
MISRA, DS
GHATAK, JAY
SATYAM, PV
 
Subject laser applications
raman scattering
synthesis (chemical)
laser applications
 
Description The Raman spectra of the multi-walled carbon nanotubes are studied with the laser power of 5–20 mW. We observe the Raman bands at not, vert, similar1352, 1581, 1607, and 2700 cm−1 with 5 mW laser power. As the laser power is increased to 10, 15 and 20 mW, the radial breathing modes (RBMs) of the single wall carbon nanotubes (SWNTs) appear in the range 200–610 cm−1. The diameter corresponding to the highest RBM is not, vert, similar0.37 nm, the lowest reported so far. The RBMs are attributed to the local synthesis of the SWNTs at the top surface of the samples at higher laser power.
 
Publisher Elsevier
 
Date 2009-04-24T09:11:56Z
2011-12-08T06:26:25Z
2011-12-26T13:01:36Z
2011-12-27T05:45:34Z
2009-04-24T09:11:56Z
2011-12-08T06:26:25Z
2011-12-26T13:01:36Z
2011-12-27T05:45:34Z
2008
 
Type Article
 
Identifier Chemical Physics Letters 455(1-3), 83-87
0009-2614
10.1016/j.cplett.2008.02.057
http://hdl.handle.net/10054/1231
http://dspace.library.iitb.ac.in/xmlui/handle/10054/1231
 
Language en