Liquid marbles, floating droplets: preparations, properties, operations and applications

Liquid marbles (LMs) are non-wettable droplets formed with a coating of hydrophobic particles. They can move easily across either solid or liquid surfaces since the hydrophobic particles protect the internal liquid from contacting the substrate. In recent years, mainly due to their simple preparatio...

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Bibliographic Details
Published in:RSC advances 2022-05, Vol.12 (24), p.15296-15315
Main Authors: Sun, Yukai, Zheng, Yelong, Liu, Chuntian, Zhang, Yihan, Wen, Shiying, Song, Le, Zhao, Meirong
Format: Article
Language:English
Subjects:
Chemistry
Droplets
Hydrophobicity
Liquid surfaces
Microfluidics
Physical properties
Substrates
Wetting
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Summary:Liquid marbles (LMs) are non-wettable droplets formed with a coating of hydrophobic particles. They can move easily across either solid or liquid surfaces since the hydrophobic particles protect the internal liquid from contacting the substrate. In recent years, mainly due to their simple preparation, abundant materials, non-wetting/non-adhesive properties, elasticities and stabilities, LMs have been applied in many fields such as microfluidics, sensors and biological incubators. In this review, the recent advances in the preparation, physical properties and applications of liquid marbles, especially operations and floating abilities, are summarized. Moreover, the challenges to achieve uniformity, slow volatilization and stronger stability are pointed out. Various applications generated by LMs' structural characteristics are also expected. The recent advances in the preparation, physical properties and applications of liquid marbles, especially operations and floating abilities, are summarized.
ISSN:2046-2069
2046-2069
DOI:10.1039/d2ra00735e