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  • Hydrophobic materials capable of withstanding harsh conditions are required for various applications. Here, we show that oxides and nitrides of various low-electronegativity metals are hydrophobic hard ceramics. We attribute their hydrophobicity to low Lewis acidity of the low-electronegativity cations implying a low ability of the cations on the surface to form coordinate bonds with water oxygen anions. Furthermore, we observe a systematically stronger hydrophobic behavior of nitrides compared with the corresponding oxides, which we attribute to nitrogen being a poorer Lewis base than oxygen due to a reduced number of lone pairs of electrons, implying a lower ability of nitrogen anions on the surface to form hydrogen bonds with water hydrogen cations. Most of the oxides and nitrides investigated exhibit high values of hardness. Therefore, oxides and nitrides of low-electronegativity metals should find application as hydrophobic materials in harsh conditions.
  • Hydrophobic materials capable of withstanding harsh conditions are required for various applications. Here, we show that oxides and nitrides of various low-electronegativity metals are hydrophobic hard ceramics. We attribute their hydrophobicity to low Lewis acidity of the low-electronegativity cations implying a low ability of the cations on the surface to form coordinate bonds with water oxygen anions. Furthermore, we observe a systematically stronger hydrophobic behavior of nitrides compared with the corresponding oxides, which we attribute to nitrogen being a poorer Lewis base than oxygen due to a reduced number of lone pairs of electrons, implying a lower ability of nitrogen anions on the surface to form hydrogen bonds with water hydrogen cations. Most of the oxides and nitrides investigated exhibit high values of hardness. Therefore, oxides and nitrides of low-electronegativity metals should find application as hydrophobic materials in harsh conditions. (en)
Title
  • Hydrophobicity of Thin Films of Compounds of Low-Electronegativity Metals
  • Hydrophobicity of Thin Films of Compounds of Low-Electronegativity Metals (en)
skos:prefLabel
  • Hydrophobicity of Thin Films of Compounds of Low-Electronegativity Metals
  • Hydrophobicity of Thin Films of Compounds of Low-Electronegativity Metals (en)
skos:notation
  • RIV/49777513:23520/14:43922536!RIV15-GA0-23520___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GAP108/12/0393)
http://linked.open...iv/cisloPeriodika
  • 9
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 20123
http://linked.open...ai/riv/idVysledku
  • RIV/49777513:23520/14:43922536
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • hard ceramics; low electronegativity; Hydrophobicity (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • AR - Argentinská republika
http://linked.open...ontrolniKodProRIV
  • [0AC5B0556405]
http://linked.open...i/riv/nazevZdroje
  • JOURNAL OF THE AMERICAN CERAMIC SOCIETY
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 97
http://linked.open...iv/tvurceVysledku
  • Kos, Šimon
  • Musil, Jindřich
  • Zenkin, Sergey
http://linked.open...ain/vavai/riv/wos
  • 000341826500006
issn
  • 0002-7820
number of pages
http://bibframe.org/vocab/doi
  • 10.1111/jace.13165
http://localhost/t...ganizacniJednotka
  • 23520
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