Modulation of nanoparticle separation by initial contact angle in coffee ring effect

Abstract The coffee ring effect occurs when a droplet of a suspension evaporates on a substrate; this process can separate suspended nanoparticles (NPs) by size as a result of geometric constraints at the contact line of the evaporating droplet. In the study, we used a polydimethylsiloxane (PDMS) st...

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Bibliographic Details
Main Authors: Johan Yi, Hwapyeong Jeong, Jaesung Park
Format: Article
Language:English
Published: SpringerOpen 2018-12-01
Series:Micro and Nano Systems Letters
Subjects:
Online Access:http://link.springer.com/article/10.1186/s40486-018-0079-9

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