| OTS自组装单层膜诱导定向生长SrTiO3功能陶瓷薄膜 |
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| 引用本文： | 刘 剑,谈国强,苗鸿雁,贺中亮,夏 傲.OTS自组装单层膜诱导定向生长SrTiO3功能陶瓷薄膜[J].无机化学学报,2009,25(3):517-522. |
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| 作者姓名： | 刘 剑 谈国强 苗鸿雁 贺中亮 夏 傲 |
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| 作者单位： | 陕西科技大学材料科学与工程学院,西安,710021 |
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| 基金项目： | 国家自然科学基金，国家科技支撑计划，陕西科技大学研究生创新研究基金 |
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| 摘 要： | 采用自组装单层膜技术,以三氯十八烷基硅烷(octadecyl-trichioro-silane,OTS)为模版,在玻璃基片上成功制备了钛酸锶晶态薄膜.改性基板的亲水性测定与金相显微镜测试表明,紫外光照射使基板由疏水转变为亲水,OTS单分子膜对薄膜的沉积具有诱导作用:X射线衍射(XRD)与扫描电镜(SEM)表征显示,制备成功的钛酸锶薄膜结晶良好,样品表面均匀,在垂直基板表面方向上呈花状生长:EDS能谱测试为钛酸锶薄膜的化学组成提供了有力的证据;同时探讨了白组装单层膜和钛酸锶薄膜的形成机理.
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| 关 键 词： | 白组装单层膜 钛酸锶 薄膜 形成机理 |
Orientation Growth of SrTiO3 Functional Ceramic Thin Film Directed by OTS Self-Assembled Monolayer |
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| LIU Jian,TAN Guo-Qiang,MIAO Hong-Yan,HE Zhong-Liang and XIA Ao.Orientation Growth of SrTiO3 Functional Ceramic Thin Film Directed by OTS Self-Assembled Monolayer[J].Chinese Journal of Inorganic Chemistry,2009,25(3):517-522. |
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| Authors: | LIU Jian TAN Guo-Qiang MIAO Hong-Yan HE Zhong-Liang and XIA Ao |
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| Abstract: | OTS as stencil, SrTiO3 thin film was successfully prepared on glass wafers with self-assembled monolayers technique. Hydrophilic characteristic measuration of glass wafers and photographs of metallographic microscope indicated that the hydrophobe substrate changed into hydrophile by UV iradiation, and an induction of deposition SrTiO3 thin film by OTS-SAM. XRD and SEM results show that successfully prepared SrTiO3 thin film with well-crystalline and homogeneous. The prepared SrTiO3 thin film with flower-like morphology was growth vertical on the glass substrate. EDS spectrum test provided strong evidence for the chemical composition of strontium titanate thin film. The formation mechanism of OTS-SAM and SrTiO3 thin film was carefully discussed. |
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| Keywords: | self-assembled monolayer SrTiO3 thin film formation mechanism |
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