不锈钢基ZnO薄膜的水热合成及其疏水性能研究
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摘要
结合sol-gel法和水热法,在不锈钢表面原位合成纳米ZnO薄膜并对其进行了XRD、FT-IR、SEM及亲疏水性表征分析。研究结果表明,在附有ZnO种子层的不锈钢基片上,ZnO沿c轴择优取向外延生长。当pH值为11.5时,不锈钢基片上生长的ZnO纳米棒每5~8根在末端集结成束,形成具有微-纳米结构的ZnO薄膜。经十八酸改性后,疏水性基团与ZnO表面羟基反生类酯化反应嫁接到ZnO表面,使具有微-纳米结构的ZnO薄膜与水接触时产生"荷叶效应",不锈钢表面由亲水转变为超疏水。
Nanometer ZnO thin films on stainless steel substrate were in situ synthesised by sol-gel method and hydrothermal method. ZnO thin films were characterized by X-ray diffraction(XRD),fourier transform infrared spectrometer(FT-IR),scanning electron microscopy(SEM) and water contact angle(hydrophobic and hydrophilic performance). The results show that ZnO nanorods belong to c-axis orientation growth on the ZnO seed layer of stainless steel substrates. About five to eight ZnO nanorods were bundled at the end of nanorods and formed ZnO thin films with micro-nanostructure. After modified with stearic acid,hydrophobic groups were grafted with hydroxyl on ZnO surface similar to ester reaction.Based on lotus effect of micro-nanostructure,the surface property of ZnO thin films turn into superhydrophobicity from hydrophilicity.
Nanometer ZnO thin films on stainless steel substrate were in situ synthesised by sol-gel method and hydrothermal method. ZnO thin films were characterized by X-ray diffraction(XRD),fourier transform infrared spectrometer(FT-IR),scanning electron microscopy(SEM) and water contact angle(hydrophobic and hydrophilic performance). The results show that ZnO nanorods belong to c-axis orientation growth on the ZnO seed layer of stainless steel substrates. About five to eight ZnO nanorods were bundled at the end of nanorods and formed ZnO thin films with micro-nanostructure. After modified with stearic acid,hydrophobic groups were grafted with hydroxyl on ZnO surface similar to ester reaction.Based on lotus effect of micro-nanostructure,the surface property of ZnO thin films turn into superhydrophobicity from hydrophilicity.
引文
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[2]Pascal Payet-Gaspard.Structural Stainless Steel Case Studies[EB/OL].[2012-11-8].http://www.worldstainless.org/architecture building and construction applications/structural applications.
[3]程鹏辉,贺东风,田乃媛.我国不锈钢发展现状及展望[J].特殊钢,2007,28(3):50-52.
[4]Lo K H,Shek C H,Lai J K L,et al.Recent Developments in Stainless Steels[J].Materials Science and Engineering R,2009,65:39-42.
[5]蔡立军.关于不锈钢发展和应用潜力的思考[N].中国冶金报,2011-12-2(B04).
[6]Mani G,Feldman M D,Patel D,et al.Coronary Stents:A Materials.Perspective.Biomaterials[J].2007,28(9):1689-1710.
[7]郑增,王联凤,严彪.3D打印金属材料研究进展[J].上海有色金属,2016,37(1):57-60.
[8]Ignatova M,Voccia S,Gabriel S,et al.Stainless Steel Grafting of Hyperbranched Polymer Brushes with an Antibacterial Activity:Synthesis,Characterization,and Properties[J].Langmuir,2009,25:891-893.
[9]Besmann T M,Spear K E,Analysis of the Chemical Vapor Deposition of Titanium Diboride.I.Equilibrium Thermodynamic Analysis[J].Journal of The Electrochemical Society,1977,124:786-790.
[10]Zhan W T,Ni H W,Chen,R S.et al.Formation of Nanopore Arrays on Stainless Steel Surface by Anodization for Visiblelight Photocatalytic Degradation of Organic Pollutants[J].Journal of Materials Research,2012,27(18):2417-2424.
[11]徐重.等离子表面冶金技术的现状与发展[J].中国工程科学,2002,4(2):36-45.
[12]张翔宇,蒋立,黄晓波,等.不锈钢表面渗铜扩散复合处理合金层的抗菌性能研究[J].无机材料学报,2012,27(5):519-523.
[13]Padhy N,Ningshen S,Panigrahi B K,et al.Corrosion Behaviour of Nitrogen Ion Implanted AISI Type 304L Stainless Steel in Nitric Acid Medium[J].Corrosion Science,2010,52:104-112.
[14]倪红卫,詹玮婷,墙蔷,等.银离子注入剂量对2Cr13Ni2不锈钢耐蚀性能的影响研究[J].功能材料,2008,39(11):1897-1899.
[15]Briuker C J,Scherer G W.Sol-Gel Science the Physics and Chemistry of S-G Processing[M].New York:Academic Press Inc,1990,74-81.
[16]Yu J C,Ho W K,Lin J,et al.Photocatalytic Activity,Antibacterial Effect,and Photoinduced Hydrophilicity of Ti O2Films Coated on a Stainless Steel Substrate[J].Environmental Science&Technology,2003,37:2296-2301.
[17]Valanezhad A,Tsuru K,Maruta M,et al.Zinc Phosphate Coating on 316L-type Stainless Steel Using Hydrothermal Treatment[J].Surface&Coatings Technology,2010,205:2538-2541.
[18]Staia M H,Cervantes C,Viloria S.Thermochemical Modeling of the CVD Process of Ti N on 316L Stainless Steel Substrate[J].Surface and Coatings Technology,1995,72:145-151.
[19]Evans P,English T,Hammond D,et al.The Role of Si O2Barrier Layers in Determining the Structure and Photocatalytic Activity of Ti O2Films Deposited on Stainless Steel[J].Applied Catalysis A:General,2007,321:140-146.
[20]刘红霞,周圣明,李抒智,等.柱状Zn O阵列薄膜的生长及其发光特性[J].物理学报,2006,55(3):1398-1401.
[21]Lori E Greene,Matt Law,Dawud H Tan,et al.General Route to Vertical Zn O Nanowire Arrays Using Textured Zn O Seeds[J].Nano Letters,2005,5(7):1231-1236.
[22]Thiemann S,Gruber M,Lokteva I,et al.High-Mobility Zn O Nanorod Field-Effect Transistors by Self-Alignment and Electrolyte-Gating[J].ACS Appl.Mater.Interfaces,2013,5(5):1656-1662.
[23]徐晓雷,贺旭涛,符小艺,等.Ni2+掺杂氧化锌阵列膜的水热合成及性能表征[J].人工晶体学报,2014,43(3):502-507.
[24]Masanobu Izaki,Seiji Watase,Hisaya Takahashi.Room-temperature Ultraviolet Light-emitting Zinc Oxide Micropatterns Prepared by Lowtemperature Electrodeposition and Photoresist[J].Applied Physics Letters,2003,83(24):4930-4932.
[25]刘宽菲,武卫兵,陈晓东,等.水热法制备Zn O纳米棒薄膜及其机理[J].济南大学学报(自然科学版),2013,27(4):363-368.
[26]马娟,宋凤丹,周泽齐,等.一维有序Zn O纳米棒阵列的制备和优化[J].物理化学学报,2015,31(11),2213-2219.
[27]聂天琛,姚超,李锦春,等.硬脂酸对纳米Zn O的有机表面修饰研究[J].日用化学工业,2008,38(1):16-19.
[28]郑炳云,胡松涛,李先学,等.硬脂酸修饰纳米氧化锌的制备及可见光光催化性能研究[J].应用化工,2014,43(6):982-985.
[29]Capelle H A,Britcher L G,Morris G E.Sodium Stearate Adsorption onto Titania Pigment[J].Journal of Colloid and Interface Science,2003,268(2):293-300.
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