Structural characterization of the ZnO nanowires. (a) HRTEM image of the edge of an as-synthesized ZnO nanowire. The spacing of 0.26 nm between adjacent lattice planes corresponds to (002) lattice planes of ZnO and <0001> growth direction is also shown; (b) XRD spectrum of the ZnO nanowires.
ul Hasan et al. Nanoscale Research Letters 2011 6:348 doi:10.1186/1556-276X-6-348