Chu Manh-Hung, Lee Joon-Hyung, Kim Jeong-Joo, Kim Kyeong-Won, Norton D P, Heo Young-Woo
School of Materials Science and Engineering, Kyungpook National University, Daegu 702-701, Korea.
J Nanosci Nanotechnol. 2012 Feb;12(2):1415-20. doi: 10.1166/jnn.2012.4653.
ZnO nanowires were grown on indium tin oxide (ITO) coated glass substrates at a low temperature of 90 degrees C using an aqueous solution method. The ZnO seeds were coated on the ITO thin films by using a spin coater. ZnO nanowires were formed in an aqueous solution containing zinc nitrate hexahydrate (Zn(NO3)2 x 6H2O) and hexamethylenetetramine (C6H12N4). The pH value and concentration of the solution play an important role in the growth and morphologies of ZnO nanowires. The size of ZnO naonowires increased as the concentration of the solution increased. It was formed with a top surface of hexagonal and tapered shape at low and high pH values respectively. Additionally, the single crystalline structure and optical property of the ZnO nanowires were investigated using high-resolution transmission electron microscopy and photoluminescence spectroscopy.
采用水溶液法在90摄氏度的低温下，在涂有铟锡氧化物（ITO）的玻璃基板上生长氧化锌纳米线。通过旋涂器将氧化锌种子涂覆在ITO薄膜上。在含有六水合硝酸锌（Zn(NO3)2·6H2O）和六亚甲基四胺（C6H12N4）的水溶液中形成氧化锌纳米线。溶液的pH值和浓度对氧化锌纳米线的生长和形态起着重要作用。随着溶液浓度的增加，氧化锌纳米线的尺寸增大。它分别在低pH值和高pH值下形成六边形和锥形的顶面。此外，使用高分辨率透射电子显微镜和光致发光光谱对氧化锌纳米线的单晶结构和光学性质进行了研究。
