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首页> 外文期刊>Journal of Wood Chemistry and Technology >REVERSIBLE PHOTOCONTROL OF WOOD-SURFACE WETTABILITY BETWEEN SUPERHYDROPHILICITY AND SUPERHYDROPHOBICITY BASED ON A TIO2 FILM
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REVERSIBLE PHOTOCONTROL OF WOOD-SURFACE WETTABILITY BETWEEN SUPERHYDROPHILICITY AND SUPERHYDROPHOBICITY BASED ON A TIO2 FILM

机译：基于TiO 2膜的超亲水性和超疏水性对木材表面润湿性的可逆光控制

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摘要

The reversible photocontrol of wood-surface wettability between superhydrophilicity and superhydrophobicity based on a TiO2 film modified with octadecyl trichlorosilane (OTS) was achieved via a facile hydrothermal method at low temperature. Under UV illumination, the wood surface became superhydrophilic with a water contact angle (WCA) of approximately 0 degrees. However, when placed in the dark, a superhydrophobic wood surface with a WCA of approximately 152 degrees was achieved. The mechanism of the reversible photocontrol of wood-surface wettability is discussed in this article. This photocontrolled wood surface may have potential for wood self-cleaning or manipulation in response to indoor humidity.
机译：基于十八烷基三氯硅烷（OTS）改性的TiO2薄膜通过低温水热法可逆地控制木材表面在超亲水性和超疏水性之间的润湿性。在紫外线照射下，木材表面具有超亲水性，水接触角（WCA）约为0度。但是，当放在黑暗中时，可获得WCA约为152度的超疏水木材表面。本文讨论了木材表面润湿性的可逆光控机理。该光控木材表面可能具有响应室内湿度而进行木材自我清洁或处理的潜力。

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  • 来源
    《Journal of Wood Chemistry and Technology》 |2015年第6期|365-373|共9页
  • 作者

    Gao Likun; Lu Yun; Cao Jun; Li Jian; Sun Qingfeng;

  • 作者单位

    Northeast Forestry Univ, Mat Sci & Engn Coll, Harbin 150040, Peoples R China;

    Chinese Acad Forestry, Res Inst Wood Ind, Beijing, Peoples R China;

    Northeast Forestry Univ, Coll Mech & Elect Engn, Harbin, Peoples R China;

    Northeast Forestry Univ, Mat Sci & Engn Coll, Harbin 150040, Peoples R China;

    Northeast Forestry Univ, Mat Sci & Engn Coll, Harbin 150040, Peoples R China|Northeast Forestry Univ, Coll Mech & Elect Engn, Harbin, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    TiO2; UV-drive; reversible wettability; low-temperature hydrothermal method;

    机译：TiO2;紫外线驱动;可逆润湿性;低温水热法;

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