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Lookup NU author(s): Joshua Saczek,
Professor Adam Harvey
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© 2019Remote control of microfluidic locomotion by external stimuli is attracting extensive attention due to its practical applications in various areas such as chemical reactors, gas sensors and transporters. Within this report we describe an effective method of preparing liquid marbles (LMs) stabilized by super-hydrophobic luminescent carbon dots (CDs) and demonstrate their outstanding photothermics, fluorescence and diamagnetism. The super-hydrophobic CDs were synthesized by surface functionalization using polyhedral oligomeric silsesquioxane (POSS) and manipulation of the LMs was achieved using light, electricity and magnetism. LMs could act as ideal models of collision-triggered miniature reactors for enhanced chemical reactions, with fast mixing of microfluidics leading to substantial improvement in reaction rate and selectivity. For the first time, the use of collisions triggered by multi-external stimuli has been demonstrated, showing an intensification to the micromixing process and therefore an enhancement to the microreactions. We expect that these LMs can be applicable in microfluidics, miniaturized reactors and many other associated industries.
Author(s): Zhao Z, Qin S, Wang D, Pu Y, Wang J-X, Saczek J, Harvey A, Ling C, Wang S, Chen J-F
Publication type: Article
Publication status: Published
Journal: Chemical Engineering Journal
Print publication date: 01/07/2020
Online publication date: 13/11/2019
Acceptance date: 11/11/2019
ISSN (print): 1385-8947
ISSN (electronic): 1873-3212
Publisher: Elsevier B.V.
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