Nanoparticle deposits near the contact line of pinned volatile droplets:size and shape revealed by atomic force microscopy

Askounis, Alexandros ORCID: https://orcid.org/0000-0003-0813-7856, Orejon, Daniel, Koutsos, Vasileios, Sefiane, Khellil and Shanahan, Martin E. R. (2011) Nanoparticle deposits near the contact line of pinned volatile droplets:size and shape revealed by atomic force microscopy. Soft Matter, 7 (9). pp. 4152-4155. ISSN 1744-683X

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Abstract

We report on the structure of ring deposits formed following the free evaporation of a sessile droplet containing nanoparticles. The nanostructure of the evaporatively formed deposits was revealed using atomic force microscopy (AFM). The structures were found to form a peak about 5 microns wide and one micron high and to exhibit a gentle slope gradually increasing in height in the direction of the three phase contact line motion. A theory is proposed to explain the formation and shape of these deposits. A comparison between the theory and the experiments shows a very good qualitative and quantitative agreement.

Item Type:	Article
Depositing User:	LivePure Connector
Date Deposited:	05 Sep 2018 09:31
Last Modified:	24 Oct 2023 01:21
URI:	https://ueaeprints.uea.ac.uk/id/eprint/68197
DOI:	10.1039/c1sm05241a

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