表面制御された超はっ水性皮膜のマイクロ波プラズマCVD法による作製 Ultra Water-repellent Films with Controlled Surfaces Fabricated by Microwave Plasma-enhanced Chemical Vapor Deposition

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Polymerized organosilicon films containing fluorine were fabricated using microwave plasma-enhanced chemical vapor deposition (MW PECVD). Chemical and physical surface properties were controlled by changing PECVD reaction conditions. Water-repellent films having water contact angles exceeding 150 degrees were obtained at <i>T</i><sub>s</sub>=70°C and total pressure exceeding 40Pa.<br>Films were prepared from a mixed source gas of tetramethylsilane (TMS) or hexamethyldisilane (HMDS), containing no oxygen atoms, and a (heptadecafluoro-1, 1, 2, 2, tetrahydro-decyl)-1-trimethoxysilane (FAS-17). FAS-17 was introduced into a reactor using Ar carrier gas. Water contact angles of these films increased from 115 to 160 degrees as total pressure increased from 25 to 50Pa. Their surface roughnesses increased from <i>R</i><sub>rms</sub>=11.3 to 60.8nm. The film structure became more granular when prepared at a higher pressure. With an increase in the substrate temperature, however, film surfaces became smooth and perfluoro-alkyl groups peeled from films, markedly decreasing in water-contact angles.<br>Films were then prepared from hexamethyldisiloxane (HMDSO), which contains oxygen atoms, and FAS-17 with Ar. <i>R</i><sub>rms</sub> ranged from 10 to 12nm and contact angles remained constant at 110 degrees in the total 25∼50Pa. Oxygen atoms in the source material, i. e., HMDSO, promoted film surface smoothing and reduced water repellency.

収録刊行物

  • 表面技術 = The Journal of the Surface Finishing Society of Japan  

    表面技術 = The Journal of the Surface Finishing Society of Japan 49(4), 385-390, 1998-04-01 

    The Surface Finishing Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002109138
  • NII書誌ID(NCID)
    AN1005202X
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09151869
  • NDL 記事登録ID
    4447691
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-291
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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