化学浴沉积纳米晶CdS薄膜的光学研究。
Optical studies on chemical bath deposited nanocrystalline CdS thin films.
作者信息
Pradhan Basudev, Sharma Ashwani K, Ray Asim K
机构信息
Nanotechnology Research Laboratories, The Department of Materials, Queen Mary College, University of London, Mile End Road, London, E1 4NS, UK.
出版信息
J Nanosci Nanotechnol. 2005 Jul;5(7):1130-4. doi: 10.1166/jnn.2005.153.
Nanocrystalline cadmium sulphide thin films were prepared by the chemical bath (CB) deposition using a mixed aqueous solution of cadmium chloride, thiourea, and ammonium chloride. The XRD patterns showed that the CdS films were of hexagonal phase with preferred (002) orientation. From ellipsometric measurements, the film thickness was found to be in order of 66 nm and the optical band gap was estimated to be 2.4 eV.
采用氯化镉、硫脲和氯化铵的混合水溶液，通过化学浴（CB）沉积法制备了纳米晶硫化镉薄膜。X射线衍射图谱表明，硫化镉薄膜为六方相，具有择优的（002）取向。通过椭偏测量发现，薄膜厚度约为66nm，光学带隙估计为2.4eV。
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