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Preparation and Characterization of Ag2 O/Organicsilicone Self-assemblied Composite Film
Wang Jinqing,Yang Shengrong*,Wang Bo,Chen Miao
Author NameAffiliationE-mail
Wang Jinqing State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000  
Yang Shengrong* State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000 SRYang@ns.lzb.ac.cn 
Wang Bo State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000  
Chen Miao State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000  
Abstract:
The composite film of nanometer AgO2/silane coupling reagent aminopropyltriethoxy-silane (CH3O)3Si(CH2)3NH2was prepared on single-crystal silicon by the self-assembly of silane on the hydroxylated substrate followed with the deposition of nanometer AgO2 on the silane SAMs from an aqueous Ag2O gel. The resultant composite film was characterized by means of X-ray photoelectron spectroscopy (XPS) and atomic force microscopy (AFM). The contact angles of distilled water on the silane SAMs and the composite film were measured to compare the surface states. The experiment shows that the nanometer Ag2O can be easily incorporated in the silane SAMs and lead to changed surface state of the composite film. Nanometer Ag2O crystallites in a size of about 20 nm distribute quite uniformly in the composite film. It was anticipated that the composite film might find application to the protection of single-crystal Si substrate in MEMS devices and also propose a novel single electron device structure based on nanoscale Ag2O colloidal particles.
Key words:  Self-assembly monolayer, 3-Aminopropyltriethoxy-silane, Nanometer Ag2O, Characterization
FundProject:国家自然科学基金资助项目(50023001)
单晶硅表面有机硅烷/Ag2O纳米微粒复合自组装膜的制备和表征
王金清,杨生荣*,王博,陈淼
摘要:
利用分子自组装成膜技术,在单晶硅表面制备了有机硅烷/Ag2O纳米微粒复合膜.应用接触角测定仪、原子力显微镜和X射线光电子能谱仪分析表征了薄膜的组成和结构.结果表明,通过硅烷偶联剂3-氨丙基-三乙氧基硅烷在单晶硅基底表面的成功组装,获得了较为均匀的硅烷化表面,而Ag2O纳米微粒可在硅烷化表面成功地进行组装,并呈亚单层排布.
关键词:  单晶硅  3-氨丙基-三乙氧基硅烷(APS)  自组装膜  Ag2O纳米微粒  表征
DOI:10.1088/1674-0068/16/1/41-44
分类号: