Advanced Materials, Vol.15, No.22, 1899-1899, 2003
Production and state-of-the-art characterization of aligned nanotubes with homogeneous BCxN (1 <= x <= 5) compositions
Aligned and hollow BCxN nanotubes with uniformly distributed concentrations of B, C, and N are produced by reacting aligned CNx nanotubes with B2O3 and CuO in a N-2 atmosphere at similar to 1800 degreesC. It is found that the production of these homogeneous nanotubes is sensitive to the reaction temperature determining the growth kinetics, because segregation of BCN domains may occur at lower or higher temperatures than those used in this study. The Figure shows a molecular model of a coaxial nanocable composed of B, C, and N.