Department of Chemical and Materials Engineering, The University of Auckland, Private Bag 92019, Auckland, New Zealand.
Langmuir. 2010 Jul 20;26(14):11615-20. doi: 10.1021/la101324e.
ZnO/V(2)O(5) core-shell nanostructures have been prepared by a two-step synthesis route through combined hydrothermal growth and magnetron sputtering. After annealing under oxygen ambience, a ZnO/V(2)O(5) heterogeneous lollipop-like nanoarray formed. The microstructure and crystal orientation of those nanolollipops were investigated by scanning electron microscopy (SEM) and high-resolution transmission electron microscopy (HRTEM), which show single crystal structure. The optical properties were characterized by UV-vis spectroscopy and showed quite different absorption curves for the as-deposited and annealed samples. The ZnO/V(2)O(5) nanolollipops demonstrated excellent photocatalytic activity in terms of decomposing 2,6-dichlorophenol (2,6-DCP) under visible light, indicating their promising potential as catalysts for industrial wastewater and soil pollution treatments.
氧化锌/五氧化二钒（ZnO/V2O5）核壳纳米结构是通过两步合成方法制备的，包括水热生长和磁控溅射。在氧气环境中退火后，形成了 ZnO/V2O5 异质棒棒状纳米阵列。通过扫描电子显微镜（SEM）和高分辨率透射电子显微镜（HRTEM）研究了这些纳米棒的微观结构和晶体取向，结果表明它们具有单晶结构。通过紫外-可见光谱研究了其光学性质，结果表明沉积态和退火态样品的吸收曲线有很大差异。ZnO/V2O5 纳米棒在可见光下分解 2,6-二氯苯酚（2,6-DCP）方面表现出优异的光催化活性，表明它们在处理工业废水和土壤污染方面具有广阔的应用前景。
