电工技术学报  2019, Vol. 34 Issue (24): 5289-5296    DOI: 10.19595/j.cnki.1000-6753.tces.181708
高电压与绝缘 |
大气压等离子体制备超疏水表面及其防冰抑霜研究
张迅1, 曾华荣1, 田承越1, 马晓红1, 熊青2
1. 贵州电网有限责任公司电力科学研究院 贵州 550000;
2. 输配电装备及系统安全与新技术国家重点实验室(重庆大学) 重庆 400044
Super-Hydrophobic Surface Prepared by Atmospheric-Pressure Plasma and Its Anti-Icing, Anti-Frosting Performance
Zhang Xun1, Zeng Huarong1, Tian Chengyue1, Ma Xiaohong1, Xiong Qing2
1. Electric power Research Institute of Guizhou Power Grid Co. Ltd Guizhou 550000 China;
2. State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing University Chongqing 400044 China;
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摘要 利用大气压下等离子体放电在玻璃基底上沉积超疏水薄膜,放电采用自设计介质阻挡放电结构实现大面积沉积,同时采用氩气作为工作气体,六甲基二硅氮烷(HMDSN)作为前驱单体,在13.56MHz射频电源的驱动下成功制备出超疏水表面,静态接触角高达171.4°,滚动角小于2°。发射光谱(OES)下发现单体在放电间隙中裂解,产生大量疏水性基团。同时空气中的氮气和氧气也参与了反应,但不影响其疏水性。原子力显微镜(AFM)和扫描电子显微镜(SEM)测试表明超疏水表面有着均匀的微纳米级粗糙结构,表面的平均粗糙度达到200nm左右。在自制半导体制冷腔中进行了一系列低温试验,结果表明超疏水表面有着良好的延缓结冰和抑制结霜的能力。
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张迅
曾华荣
田承越
马晓红
熊青
关键词 等离子体介质阻挡放电超疏水薄膜防冰抑霜    
Abstract:Super-hydrophobic film was deposited on the glass substrate through plasma enhanced chemical vapor deposition (PE-CVD) at atmospheric pressure. The discharge was generated by a home-made dielectric barrier discharge (DBD) source to achieve large-area deposition. At the same time, argon gas was used as the working gas, and hexamethyldisilazane (HMDSN) was used as the precursor monomer. The super-hydrophobic surface was successfully fabricated through the DBD plasma deposition under 13.56MHz RF power excitation. The static contact angle was as high as 171.4 degrees and the sliding angle was less than 2 degrees. The optical emission spectrometry (OES) of discharge revealed that the monomer was dissociated during the deposition process, generating a large amount of hydrophobic groups. Meanwhile, nitrogen and oxygen in the air are also involved in the reactions, but not affecting the hydrophobicity of fabricated film. Atomic force microscope (AFM) and scanning electron microscope (SEM) show that the super-hydrophobic surface has a uniform micro-nano-scale roughness structure with an average roughness of about 200nm. A series of low- temperature tests were carried out in a self-made semiconductor refrigeration cavity, and it showed that the super-hydrophobic surface exhibited a good ability to prolong the formation process of icing and restrain frost.
Key wordsPlasma    dielectric barrier discharge    super-hydrophobic film    anti-icing    anti-frosting   
收稿日期: 2018-11-05      出版日期: 2019-12-30
PACS: O53  
通讯作者: 熊青, 男,1985年生,博士,博士生导师,研究方向为放电等离子体及其应用。E-mail:qingugent@gmail.com   
作者简介: 张迅,男,1981年生,硕士,研究方向为高电压技术及防冰技术。E-mail:xunzhx@sina.com
引用本文:   
张迅, 曾华荣, 田承越, 马晓红, 熊青. 大气压等离子体制备超疏水表面及其防冰抑霜研究[J]. 电工技术学报, 2019, 34(24): 5289-5296. Zhang Xun, Zeng Huarong, Tian Chengyue, Ma Xiaohong, Xiong Qing. Super-Hydrophobic Surface Prepared by Atmospheric-Pressure Plasma and Its Anti-Icing, Anti-Frosting Performance. Transactions of China Electrotechnical Society, 2019, 34(24): 5289-5296.
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https://dgjsxb.ces-transaction.com/CN/10.19595/j.cnki.1000-6753.tces.181708          https://dgjsxb.ces-transaction.com/CN/Y2019/V34/I24/5289