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Issue 16, 2013
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Generation of the smallest coffee-ring structures by solute crystallization reaction on a hydrophobic surface

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Abstract

We have successfully produced micro-scale “coffee-rings” by crystallization reaction on a hydrophobic surface. The diameter of the rings is only about 8 μm, which to the best of our knowledge is the smallest of any artificial coffee-ring structures in the world. Furthermore, these new patterns are distributed uniformly over the whole macro-scale substrate, which is meaningful for real applications.

Graphical abstract: Generation of the smallest coffee-ring structures by solute crystallization reaction on a hydrophobic surface

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Article information


Submitted
25 Jan 2013
Accepted
18 Feb 2013
First published
20 Feb 2013

RSC Adv., 2013,3, 5328-5331
Article type
Communication

Generation of the smallest coffee-ring structures by solute crystallization reaction on a hydrophobic surface

J. Wu, J. Xia, W. Lei and B. Wang, RSC Adv., 2013, 3, 5328
DOI: 10.1039/C3RA40465J

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