2025 AIChE Annual Meeting

(179ag) Design and Synthesis of Monodisperse Janus Particles

Authors

Fuxin Liang, Tsinghua University
Due to the distinct properties derived from their asymmetric chemistries, Janus particles have gained widespread interest across materials science, nanotechnology, and biomedicine. Their anisotropic morphology significantly affects interfacial activity and requires precise control during synthesis. In this study, the morphological evolution of the as-formed particles is finely controlled by adjusting the structure of core-shell particles to achieve snowman-shaped and novel Janus particles. Most importantly, the Janus balance of the interfacial active Janus particles can actively adjust to adapt to the changes in interfacial tension. This method allows Janus particles to be easily functionalized for solid surfactant Pickering emulsions.