Quantification of the Structure of Colloidal Gas-Liquid Interfaces

Mark Vis; Kelly J H Brouwer; Álvaro González García; Andrei V Petukhov; Oleg Konovalov; Remco Tuinier

doi:10.1021/acs.jpclett.0c02464

Quantification of the Structure of Colloidal Gas-Liquid Interfaces

Mark Vis (Corresponding author), Kelly J H Brouwer, Álvaro González García, Andrei V Petukhov, Oleg Konovalov, Remco Tuinier

Onderzoeksoutput: Bijdrage aan tijdschrift › Tijdschriftartikel › Academic › peer review

2 Citaten (Scopus)

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We have quantified the structure of the colloidal gas-liquid interface using synchrotron X-ray reflectivity measurements on a model colloid-polymer mixture. The interfacial width shows mean-field scaling with the colloid density difference, and the density profiles appear to be monotonic. Furthermore, our measurements allow us to distinguish between different theoretical polymer descriptions commonly used to model colloid-polymer mixtures. Our results highlight the importance of capturing the correct polymer physics in obtaining a quantitative theoretical description of the colloidal gas-liquid interface.

Originele taal-2	Engels
Pagina's (van-tot)	8372-8377
Aantal pagina's	6
Tijdschrift	The Journal of Physical Chemistry Letters
Volume	11
Nummer van het tijdschrift	19
DOI's	https://doi.org/10.1021/acs.jpclett.0c02464
Status	Gepubliceerd - 1 okt. 2020

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abstract = "We have quantified the structure of the colloidal gas-liquid interface using synchrotron X-ray reflectivity measurements on a model colloid-polymer mixture. The interfacial width shows mean-field scaling with the colloid density difference, and the density profiles appear to be monotonic. Furthermore, our measurements allow us to distinguish between different theoretical polymer descriptions commonly used to model colloid-polymer mixtures. Our results highlight the importance of capturing the correct polymer physics in obtaining a quantitative theoretical description of the colloidal gas-liquid interface.",

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AU - Konovalov, Oleg

AU - Tuinier, Remco

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AB - We have quantified the structure of the colloidal gas-liquid interface using synchrotron X-ray reflectivity measurements on a model colloid-polymer mixture. The interfacial width shows mean-field scaling with the colloid density difference, and the density profiles appear to be monotonic. Furthermore, our measurements allow us to distinguish between different theoretical polymer descriptions commonly used to model colloid-polymer mixtures. Our results highlight the importance of capturing the correct polymer physics in obtaining a quantitative theoretical description of the colloidal gas-liquid interface.

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Quantification of the Structure of Colloidal Gas-Liquid Interfaces

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