However, a major obstacle has hindered their broader application: achieving controlled alignment in nanotube arrays ... SnO2, and ZnO—on sapphire. However, achieving this for WS2-NTs required ...

The toxicity of various zinc compounds — including nanoparticulate and bulk ZnO, and ZnCl 2 as a control ... Barcelona in Spain have used a carbon nanotube to build a transistor that detects ...