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

Askounis, Alexandros, 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:	05 May 2024 01:37
URI:	https://ueaeprints.uea.ac.uk/id/eprint/68197
DOI:	10.1039/c1sm05241a

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