Peaks of the tips removal of well-aligned carbon nanotubes with the glow air plasma

Cold glow air plasma was used to remove the peaks of the tips of the well-aligned arrays of carbon nanotubes (CNTs) in a controlled, uniform manner. The process can be performed at about 0.1 micron/min rate without significant destruction of the bottom of CNTs. This approach night be applied to different physico-chemical modifications of the peaks of CNTs tips and removal of the peaks containing catalyst nanoparticles and/or other impurities as well as to leveling of the CNTs arrays.