Hydrogen bonding arrangement of ice II observed in interfacial water attached on hydrophobic and hydrophilic surfaces

[Display omitted] •Dielectric permittivity profile of interfacial water.•Water interfacial regions of hydrophobic and hydrophilic substrates.•Interfacial electric field profiles.•Interfacial water hydrogen bonding arrangements similar to the observed in ice II. Interfacial water dielectric permittiv...

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Veröffentlicht in:Chemical physics letters 2021-07, Vol.775, p.138655, Article 138655
Hauptverfasser: Teschke, Omar, de Castro, Jose Roberto, Gomes, Wyllerson Evaristo, Soares, David Mendez
Format: Artikel
Sprache:eng
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Zusammenfassung:[Display omitted] •Dielectric permittivity profile of interfacial water.•Water interfacial regions of hydrophobic and hydrophilic substrates.•Interfacial electric field profiles.•Interfacial water hydrogen bonding arrangements similar to the observed in ice II. Interfacial water dielectric permittivity and electric field profiles were probed and compared. Relative permittivity values between 3 and 4 were measured on both hydrophobic and hydrophilic substrates. Since ice has crystal structures responsible for many of the liquid water properties, Raman spectral lines of ice II were compared to the intramolecular vibrational spectrum of the interfacial air/water region. The coincidence of their spectral lines suggests that the interfacial air/water arrangement is similar to ice II and is induced by the interfacial electric field.
ISSN:0009-2614
1873-4448
DOI:10.1016/j.cplett.2021.138655