Shape Transformation of ZnO Nanorods /Nanotubes at Low Temperature

摘要: We report the shape transformation of ZnO nanorods/nanotubes at temperatures (similar to 700 degrees C) much lower than bulk melting temperature (1975 C). With increasing annealing temperature, not only does take place but luminescence characteristics are also modified. It is proposed that observed due surface diffusion, contradicting previously reported notion and its link luminescence. Luminescence in green-to-red region when excited with a blue laser, indicating conversion white light.