title: Four reversible and reconfigurable structures for three-phase emulsions: extended morphologies and applications.
abstract: Here in this article, we classify and conclude the four morphologies of three-phase emulsions. Remarkably, we achieve the reversible transformations between every shape. Through theoretical analysis, we choose four liquid systems to form these four morphologies. Then monodispersed droplets with these four morphologies are formed through a microfluidic device and captured in a petri-dish. By replacing their ambient solution of the captured emulsions, in-situ morphology transformations between each shape are achieved. The process is well recorded through photographs and videos and they are systematical and reversible. Finally, we use the droplets structure to form an on-off switch to start and shut off the evaporation of one volatile phase to achieve the process monitoring. This could be used to initiate and quench a reaction, which offers a novel idea to achieve the switchable and reversible reaction control in multiple-phase reactions.
authors.affiliation: The State Key Lab of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084 (China).
authors.forename: Xue-Hui
authors.initials: XH
authors.lastname: Ge
authors.affiliation: The State Key Lab of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084 (China).
authors.forename: Yu-Hao
authors.initials: YH
authors.lastname: Geng
authors.affiliation: The State Key Lab of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084 (China).
authors.forename: Qiao-Chu
authors.initials: QC
authors.lastname: Zhang
authors.affiliation: The State Key Lab of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084 (China).
authors.forename: Meng
authors.initials: M
authors.lastname: Shao
authors.affiliation: The State Key Lab of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084 (China).
authors.forename: Jian
authors.initials: J
authors.lastname: Chen
authors.affiliation: The State Key Lab of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084 (China).
authors.forename: Guang-Sheng
authors.initials: GS
authors.lastname: Luo
authors.affiliation: The State Key Lab of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084 (China).
authors.forename: Jian-Hong
authors.initials: JH
authors.lastname: Xu