超疏水氧化铜薄膜的制备及表征
Fabrication and Characterization of Stable Super Hydrophobic Cupric Oxide Films
摘 要
采用氧化-脱水法在铜表面制备出具有新的阶层结构的CuO薄膜,用全氟辛基三氯甲硅烷(C8H4Cl3F13Si,FOTMS)对其进行表面修饰;利用扫描电子显微镜(SEM)、X射线衍射光谱(XRD)、X射线光电子能谱(XPS)和接触角测量等对超疏水表面的结构、形貌、表面元素组成与润湿等性能进行了表征和分析.结果表明,由CuO纳米管及纳米花组成的独特阶层结构和低表面能的有机结合使得铜表面具有超疏水性,接触角达156.3°,滑动角为2°.
阶层结构
超疏水表面
CuO film
hierarchical architecture
superhydrophobic surface
Abstract
Cupric oxide films with a new hierarchical architecture consisting of nanowires and nanoflowers were fabricated on copper substrate via an oxidation-dehydration process.Stable superhydrophobic CuO surface was obtained by modifing CuO films with perfluorooctyltrichlorosilane.The surface morphology and composition were studied using scanning electron microscopy (SEM),X-ray diffraction (XRD),and X-ray photoelectron spectroscopy (XPS),respectively.The results show that the modified CuO films exhibited the superhydrophobicity with a water contact angle (CA) of about 156.3°,as well as a small sliding angle (SA) of about 2°.The special hierarchical structure,along with the low surface energy leads to high superhydrophobicity of the surface.
中图分类号 TG178
所属栏目 试验研究
基金项目 高等学校学科创新引智计划项目(B07012)
收稿日期 2009/2/18
修改稿日期 2009/3/25
网络出版日期
作者单位点击查看
备注刘红芹,博士研究生.
引用该论文: LIU Hong-qin,XU Wen-guo,WANG Yan-bin,LU Shi-xiang. Fabrication and Characterization of Stable Super Hydrophobic Cupric Oxide Films[J]. Corrosion & Protection, 2010, 31(2): 107～110
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参考文献
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【3】Verplanck N,Galopin E,Camart J-C,et al.Reversible electrowetting on superhydrophobic silicon nanowires[J].Nano Lett,2007,7(3):813-817.
【4】Zhai L,Berg M C,Cebeci F Cü,et al.Patterned superhydrophobic surfaces: Toward a synthetic mimc of the namib desert beetle[J].Nano Lett,2006,6(6):1213-1217.
【5】Coffinier Y,Janel S,Addad A,et al.Preparation of superhydrophobic silicon oxide nanowire surfaces[J].Langmuir,2007,23(4):1608-1611.
【6】Bravo J,Zhai L,Wu Z,et al.Transparent superhydrophobic films based on silica nanoparticles[J].Langmuir,2007,23(13):7293-7298.
【7】Liu T,Chen S,Cheng S,et al.Corrosion behavior of super-hydrophobic surface on copper in seawater[J].Electrochim,Acta,2007,52:8003-8007.
【8】Guo Z,Liu W.Biomimic from the superhydrophobic plant leaves in nature: Binary structure and unitary structure[J].Plant Sci,2007,172(6):1103-1112.
【9】Guo Z,Zhou F,Hao J,et al.“Stick and slide” ferrofluidic droplets on superhydrophobic surfaces[J].Appl Phys Lett,2006,89(8):081911-3.
【10】Wang M F,Raghunathan N,Ziaie B.A nonlithographic top-down electrochemical approach for creating hierarchical (micro-nano) superhydrophobic silicon surfaces[J].Langmuir,2007,23(5):2300-2303.
【11】Barthlott W,Neinhuis C.Purity of the sacred lotus,or escape from contamination in biological surfaces[J].Planta,1997,202(1):1-8.
【12】Ma M,Hill R M,Lowery J L,et al.Electrospun poly (styrene-block-dimethylsiloxane) block copolymer fibers exhibiting superhydrophobicity[J].Langmuir,2005,21(12):5549-5554.
【13】Shi F,Wang Z Q,Zhang X.Combining a layer-by-layer assembling technique with electrochemical deposition of gold aggregates to mimic the legs of water striders[J].Adv Mater,2005,17(8):1005-1009.
【14】Wang Q,Zhang W B,Qu M N,et al.Fabrication of superhydrophobic surfaces onengineering material surfaces with stearic acid[J].Appl Surf Sci,2008,254(7):2009-2012.
【15】Feng X J,Feng L,Jin M H,et al.Reversible Super-hydrophobicity to Super-hydrophilicity Transition of Aligned ZnO Nanorod Films[J].J Am Chem Soc,2004,126(1):62-63.
【16】Liu H,Feng L,Zhai J,et al.Reversible wettability of a chemical vapor deposition prepared ZnO film between superhydrophobicity and superhydrophilicity[J].Langmuir,2004,20(14):5659-5661.
【17】Li Y,Duan G,Cai W.Controllable superhydrophobic and lipophobic properties of ordered pore indium oxide array films[J].J Colloid Interface Sci,2007,314(2):615-620.
【18】Wen X G,Xie Y T,Choi Ch L,et al.Copper-based nanowire materials: Templated syntheses,characterizations,and applications[J].Langmuir,2005,21(10):4729-4737.
【19】Capece F M,Dicastro V,Furlani C,et al.“Copper chromite” catalysts: XPS structure elucidation and correlation with catalytic activity[J].J Electron Spectrosc Relat Phenom,1982,27(2):119-128.
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【23】Zhang W X,Wen X G,Yang S H,et al.Single-crystalline scroll-type nanotube arrays of copper hydroxide synthesized at room temperature[J].Adv Mater,2003,15(10):822-825.
【24】Nishino T,Meguro M,Nakamae K,et al.The lowest surface free energy based on-CF3 alignment[J].Langmuir,1999,15(13):4321-4323.
【25】Cassie A B D,Baxter S.Wettability of porous surfaces[J].Trans Faraday Soc,1944,40:546-551.
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