By using a simply and low-temperature hydrothermal method, ZnO nanorod array films with narrow size distribution and high orientation consistence were successfully prepared on ITO substrates, which were pre-treated wi...By using a simply and low-temperature hydrothermal method, ZnO nanorod array films with narrow size distribution and high orientation consistence were successfully prepared on ITO substrates, which were pre-treated with ZnO colloid solution. The obtained ZnO nanostructure was characterized by XRD and SEM. The results of characterization indicate that the nanorods are high-quality single crystals growing along (001) direction with a high consistent orientation perpendicular to the substrate. SEM images show that the nanorods have a very narrow size distribution of 20—50 nm with the average diameter about 40 nm. The room temperature photoluminescence of the as-prepared ZnO films exhibits a strong UV emission at about 390 nm and a weak emission at about 460 nm. The ease of fabricating high-quality ZnO nanorod arrays in large scales will greatly promote the fundamental research and practical applications of the ordered one-dimention ZnO structure in various fields of nanoscale science and technology.展开更多
文摘By using a simply and low-temperature hydrothermal method, ZnO nanorod array films with narrow size distribution and high orientation consistence were successfully prepared on ITO substrates, which were pre-treated with ZnO colloid solution. The obtained ZnO nanostructure was characterized by XRD and SEM. The results of characterization indicate that the nanorods are high-quality single crystals growing along (001) direction with a high consistent orientation perpendicular to the substrate. SEM images show that the nanorods have a very narrow size distribution of 20—50 nm with the average diameter about 40 nm. The room temperature photoluminescence of the as-prepared ZnO films exhibits a strong UV emission at about 390 nm and a weak emission at about 460 nm. The ease of fabricating high-quality ZnO nanorod arrays in large scales will greatly promote the fundamental research and practical applications of the ordered one-dimention ZnO structure in various fields of nanoscale science and technology.
基金supported by the National Key Basic Research Program of China (973) (2011CBA00700)National High Technology Research and Development Program of China (863) (2011AA050527)National Natural Science Foundation of China (51172237, 61306082, 61306083)~~
