ZnS nanowires and their coaxial lateral nanowire heterostructures with BN

ZnS nanowires and their coaxial lateral BN nanowire heterostructures with a length of hundreds of micrometers and an average diameter of similar to 300 nm were fabricated via one-step chemical vapor deposition method. Wurtzite ZnS nanowires were coated by a shell of fluffylike hexagonal BN sheets distributed randomly. Thermogravimetric analysis indicates that the heterostructures have a much better oxidation resistance compared with ZnS nanowires. Their similar optical property suggests that the ZnS/BN heterostructures would have potential applications in thermally and chemically rigorous environments. (c) 2007 American Institute of Physics.