Wuhan National Laboratory for Optoelectronics and College of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan, People's Republic of China.
Nanotechnology. 2012 Mar 16;23(10):105502. doi: 10.1088/0957-4484/23/10/105502. Epub 2012 Feb 24.
Zn-doped SnO(2) nanorods have been prepared by a simple hydrothermal method on a large scale. The as-prepared samples were characterized by x-ray powder diffraction, scanning electron microscope, transmission electron microscope, energy dispersive spectrometer, x-ray photoelectron spectroscopy, UV-vis absorption spectra and photoluminescence spectra. Studies found that the products are needle-like single-crystalline nanorods grown along the [[Formula: see text]] orientation. The photocatalytic properties of the synthesized Zn-doped SnO(2) were investigated by decomposing acid fuchsine, showing much higher photocatalytic activity than pure SnO(2) nanorods and bulk SnO(2) powders. An enhanced gas sensing ability toward methanal, ethanol and acetone gases is also achieved in high sensitivity and fast response. The origins of the enhanced performances are discussed.
Zn 掺杂 SnO(2)纳米棒通过一种简单的水热方法大规模制备。所制备的样品通过 X 射线粉末衍射、扫描电子显微镜、透射电子显微镜、能量色散光谱仪、X 射线光电子能谱、紫外-可见吸收光谱和光致发光光谱进行了表征。研究发现，产物是沿着 [[Formula: see text]] 方向生长的针状单晶纳米棒。通过分解酸性藏红，研究了合成的 Zn 掺杂 SnO(2)的光催化性能，其光催化活性明显高于纯 SnO(2)纳米棒和块状 SnO(2)粉末。对甲醛、乙醇和丙酮气体也表现出高灵敏度和快速响应的增强气体传感能力。讨论了性能增强的原因。
