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改进的SILAR法制备ZnO薄膜及其表征
  • 期刊名称:原子核物理评论, 25卷2期,, 2009
  • 时间:0
  • 分类:O484[理学—固体物理;理学—物理]
  • 作者机构:[1]中国科学院近代物理研究所,甘肃兰州730000, [2]中国科学院研究生院,北京100049
  • 相关基金:国家自然科学基金资助项目(10775161,10375079,10575125);中国科学院“西部之光”人才培养计划联合学者项目(0850130XLO)
  • 相关项目:应力束缚下高能重离子引起的各向异性塑性形变研究
中文摘要:

采用一种改进的液相成膜技术——连续离子层吸附与反应(SILAR)法,用锌氨络离子[Zn(NH3)4]^2+溶液作为独立的前驱体溶液,以载玻片为衬底,在(125±5)℃的温度下沉积出致密、透明的ZnO薄膜。分别用冷场发射型扫描电镜(FESEM)和X射线衍射(XRD)分析了薄膜样品的表面形貌和结晶状态,用紫外-可见分光光度计(UV—Vis spectroscopy)研究了薄膜样品的发光性能。结果表明:获得样品为六角纤锌矿结构的多晶薄膜材料沿[002]方向择优生长;样品表面均匀、致密,厚度约为550nm;在可见光波段具有高的透射率(〉80%)。

英文摘要:

A modified solution method, successive ionic layer adsorption and reaction(SILAR), was applied to prepare transparent zinc oxide(ZnO) film on glass substrate at (125±5)℃ in mixed ion precursor solution. The surface morphology and crystallizations of films were analyzed by field emission scanning microscopy(FESEM) and X-ray diffraction(XRD), respectively. The optical properties of the films were studied by ultraviolet visible(UV-Vis)spectroscopy. The results show that the obtained samples are polycrystalline films of hexagonal wurtzite structure, with the preference of [002] orientation. The as-deposited films exhibit uniform and compact surface morphology, with the film thickness of 550 nm, and have high transmittance in the visible band(〉80%).

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