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Organic and inorganic binder-coating properties for immobilization of photocatalytic ZnO nanopowders

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Abstract

Five kinds of organic binders, three kinds of inorganic binders, and four kinds of organic–inorganic double-layer binders were prepared to immobilize photocatalytic nanopowders. Three kinds of photocatalytic nanopowders (two kinds of TiO2 nanopowders and a kind of ZnO nanopowder) were also prepared to investigate the coating properties of the binders on glass substrates. The coating properties were analyzed by several measurement methods such as contact angle, SEM, EDX, and scratch test. In general, organic binders have good coating properties but they could be decomposed by photocatalytic reaction. Inorganic binders, however, have poor coating properties but they are not decomposed by photocatalytic reaction. Contrary to the general aspect, the zinc phosphate inorganic binder synthesized in this work showed the best overall coating properties with the ZnO photocatalytic nanopowder. These abnormally good coating properties might be attributed to the strong bond formation between ZnO photocatalytic nanopowder and the zinc phosphate binder.

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Acknowledgments

This work was supported by Myongji University.

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Authors and Affiliations

  1. Department of Materials Science & Engineering, Myongji University, Yongin, Kyunggi, 449-728, Korea

    Sung Park, Gil Rak Choi & Jae Chun Lee

  2. Division of Advanced Materials Engineering, Kongju National University, Choongnam, 330-717, Korea

    Youn Cheol Kim

  3. Department of Biomedical Engineering, University of Texas, San Antonio, TX, 78249-0712, USA

    Daniel Oh

  4. Department of Process Integration, Maxim Integrated Products, San Antonio, TX, 78251-2700, USA

    Sungkap Cho

  5. Department of Electronic Materials Engineering, Sunmoon University, Choongnam, 336-708, Korea

    Ju-Hyeon Lee

Authors
  1. Sung Park
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  2. Gil Rak Choi
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  3. Jae Chun Lee
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  4. Youn Cheol Kim
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  5. Daniel Oh
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  6. Sungkap Cho
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  7. Ju-Hyeon Lee
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Correspondence to Sung Park.

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Park, S., Choi, G.R., Lee, J.C. et al. Organic and inorganic binder-coating properties for immobilization of photocatalytic ZnO nanopowders. Res Chem Intermed 36, 819–825 (2010). https://doi.org/10.1007/s11164-010-0186-6

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  • DOI: https://doi.org/10.1007/s11164-010-0186-6

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