Journal
CARBON
Volume 47, Issue 5, Pages 1292-1296Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2009.01.012
Keywords
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Funding
- DOE [DE-FG02-07ER46376]
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We demonstrate selective burnout of individual carbon nanotubes that are electronically resonant with the incident laser energy. Raman spectroscopy and atomic force microscopy are used to quantify the burnout of nanotubes. The threshold laser power for rapid burnout is found to occur between 0.4 and 0.9 W/mu m(2). At lower laser powers of So mW/mu m(2), the burnout depends linearly on time, over tens of minutes. Non-resonant nanotubes could not be burned out even with high laser power or long exposure times. This preferential burnout of resonant nanotubes demonstrates the possibility of selective removal of metallic nanotubes from an inhomogeneous sample. (C) 2009 Elsevier Ltd. All rights reserved.
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