Direct laser initiation and improved thermal stability of nitrocellulose/graphene oxide nanocomposites
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We report on the enhancement and possible control of both laser ignition and burn rates of Nitrocellulose (NC) microfilms when doped with graphene oxide (GO). A Nd:YAG (1064 nm, 20 ns) laser is used to ignite GO-doped NC films at low temperatures. The effect of GO on the doping concentration of the activation energies of laser ignition and thermal stability of the NC films is studied. The activation energy of laser ignition decreases with increasing GO/NC weight ratio and attains a constant value with higher concentrations. This behavior is accompanied by an increase in the thermal stability. © 2013 AIP Publishing LLC.
author list (cited authors)
Zhang, X., Hikal, W. M., Zhang, Y., Bhattacharia, S. K., Li, L. i., Panditrao, S., Wang, S., & Weeks, B. L.