Synthesis of refractory conductive niobium carbide nanowires within the inner space of carbon nanotube templates
Keita Kobayashi, Ryo Kitaura, Qing Wang, Ikuya Wakamori, Hisanori Shinohara, Satoshi Anada, Takeshi Nagase, Takeshi Saito, Masaharu Kiyomiya and Hidehiro Yasuda
Applied Physics Express
Conductive niobium carbide (NbC) nanowires with diameters of 1–3 nm were synthesized within the inner space of carbon nanotubes (CNTs) by exposing the CNTs to niobium (V) chloride vapor through hydrogen reduction. The NbC nanowires were found to have a NaCl-type crystal structure by transmission electron microscopy and transmission electron diffractometry. Results from electronic transport measurements imply that the electrical conductivity of the synthesized product was improved compared with that of empty CNTs.
Probe Raman, Conductive niobium carbide, carbon nanotubes,