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  • Gera, RahulAMOLF, NL-1098 XG Amsterdam, Netherlands. (author)

Emergence of Electric Fields at the Water-C12E6 Surfactant Interface

  • Article/chapterEnglish2021

Publisher, publication year, extent ...

  • 2021-09-09
  • American Chemical Society (ACS),2021
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:uu-457710
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-457710URI
  • https://doi.org/10.1021/jacs.1c05112DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • We study the properties of the interface of water and the surfactant hexaethylene glycol monododecyl ether (C12E6) with a combination of heterodyne-detected vibrational sum frequency generation (HD-VSFG), Kelvin-probe measurements, and molecular dynamics (MD) simulations. We observe that the addition of the hydrogen-bonding surfactant C12E6, close to the critical micelle concentration (CMC), induces a drastic enhancement in the hydrogen bond strength of the water molecules close to the interface, as well as a flip in their net orientation. The mutual orientation of the water and C12E6 molecules leads to the emergence of a broad (similar to 3 nm) interface with a large electric field of similar to 1 V/nm, as evidenced by the Kelvin-probe measurements and MD simulations. Our findings may open the door for the design of novel electric-field-tuned catalytic and light-harvesting systems anchored at the water-surfactant-air interface.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Bakker, Huib J.AMOLF, NL-1098 XG Amsterdam, Netherlands. (author)
  • Franklin-Mergarejo, RicardoAbdus Salaam Int Ctr Theoret Phys, I-34151 Trieste, Italy. (author)
  • Morzan, Uriel N.Abdus Salaam Int Ctr Theoret Phys, I-34151 Trieste, Italy. (author)
  • Falciani, GabrielePolitecn Torino, Energy Dept, I-10129 Turin, Italy. (author)
  • Bergamasco, LucaPolitecn Torino, Energy Dept, I-10129 Turin, Italy. (author)
  • Versluis, JanAMOLF, NL-1098 XG Amsterdam, Netherlands. (author)
  • Sen, IndraneelUppsala universitet,Fysikalisk kemi(Swepub:uu)indse822 (author)
  • Dante, SilviaItalian Inst Technol, Mat Characterizat Facil, I-16163 Genoa, Italy. (author)
  • Chiavazzo, EliodoroPolitecn Torino, Energy Dept, I-10129 Turin, Italy. (author)
  • Hassanali, Ali A.Abdus Salaam Int Ctr Theoret Phys, I-34151 Trieste, Italy. (author)
  • AMOLF, NL-1098 XG Amsterdam, Netherlands.Abdus Salaam Int Ctr Theoret Phys, I-34151 Trieste, Italy. (creator_code:org_t)

Related titles

  • In:Journal of the American Chemical Society: American Chemical Society (ACS)143:37, s. 15103-151120002-78631520-5126

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