TEM images of a single CuS nanowire. (a) and CuO nanotube (c) with a diameter of 50 nm. The insets in (a, c) are the electron diffraction patterns of the CuS nanowire and CuO nanotube. HRTEM images of CuS nanowire (b), and CuO nanotube (d).
Mu and He Nanoscale Research Letters 2011 6:150 doi:10.1186/1556-276X-6-150