Abstract
We observed temporal laser-induced incandescence (LII) signals from multiwalled carbon nanotubes (MWCNTs) suspended in ambient air. Unlike previous LII experiments with soot particles, which showed that primary particles with larger diameters cool at slower timescales relative to smaller particles, we observed that thicker MWCNTs with larger outer diameters (ODs) cool at faster timescales relative to thinner MWCNTs with smaller ODs. We suggested a simple explanation of this effect, based on the solution of one-dimensional nonstationary heat conduction equation for the initial non-uniform heating of MWCNTs with ODs greater than the skin depth.
Original language | English (US) |
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Article number | 043102 |
Journal | Applied Physics Letters |
Volume | 106 |
Issue number | 4 |
DOIs | |
State | Published - Jan 26 2015 |
All Science Journal Classification (ASJC) codes
- Physics and Astronomy (miscellaneous)