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Universal solvent restructuring induced by colloidal nanoparticles

Title data

Zobel, Mirijam ; Neder, Reinhard B. ; Kimber, Simon A. J.:
Universal solvent restructuring induced by colloidal nanoparticles.
In: Science. Vol. 347 (16 January 2015) Issue 6219 . - pp. 292-294.
ISSN 1095-9203
DOI: https://doi.org/10.1126/science.1261412

Abstract in another language

Colloidal nanoparticles, used for applications from catalysis and energy applications to cosmetics, are typically embedded in matrixes or dispersed in solutions. The entire particle surface, which is where reactions are expected to occur, is thus exposed. Here, we show with x-ray pair distribution function analysis that polar and nonpolar solvents universally restructure around nanoparticles. Layers of enhanced order exist with a thickness influenced by the molecule size and up to 2 nanometers beyond the nanoparticle surface. These results show that the enhanced reactivity of solvated nanoparticles includes a contribution from a solvation shell of the size of the particle itself.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: solvent restructuring; solvation shell; nanoparticle; pair distribution function
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Juniorprofessur Festkörperchemie - Mesostrukturierte Materialien
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Result of work at the UBT: No
DDC Subjects: 500 Science
500 Science > 530 Physics
500 Science > 540 Chemistry
Date Deposited: 23 Jan 2017 13:24
Last Modified: 23 Jan 2017 13:24
URI: https://eref.uni-bayreuth.de/id/eprint/35694