Zinc Oxide (ZnO) is typical n-type semiconducting material with wide direct optical band gap energy of 3.37 eV
and large exciton binding energy of 60 meV [1]. It has been attracted great attentions in many practical applications
such as transparent conducting electrode [2], gas sensor [3], UV-detector [4] and photodegradation [5]. However,
due to its limitation of the optical and physical properties for specific applications, the incorporation with various
elements, confinement in nanostructures and controlling of its morphologies could be the promising method for
effective extension of its properties [6]-[8]. Recently, there have been a number of research works focusing on the
effective method for the incorporation with Tin (Sn) into ZnO lattices. Ramin Yousefi and his group [9] gave the
report on the physical and optical properties of Sn-doped ZnO nanobelts deposited using thermal evaporation
method. The results indicated that the slight shift toward the larger diffraction angle of the diffraction peak of the
Sn-doped ZnO nanobelts and their UV peaks was blue-shifted in comparison to pure ZnO nanobelts is effected by
Sn-doping. Mi Jung and co-worker [10] employed chemical vapor deposition process to deposit Sn-doped ZnO
nanowires with enhancement for green emission intensity. This phenomenon is due to excess oxygen vacancies
caused by Sn-doping. Peng Song and his research group [11] successfully synthesized ZnSnO3 hollow fibers using
cotton as biotemplates with enhanced ethanol sensing.
In this work, we report the simple co-precipitation synthesis