Printable conductive water-inks based on assemby of liquld-metal polymer droplets
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초록
내용
Gallium-based liquid metals (LMs) are recognized as an emerging material due to their unusual combination of metallic and fluidic properties, which could be used in a variety of fields such as flexible electronics. Compared to pristine LM, LM-nanoparticles (-NPs) can lower its freezing and melting temperatures, securing facile solution-processability. This superior characteristic expands its applicability in a wide range of operating temperatures for LM-based electronics. Interestingly, LM can be dispersed in eco-friendly solvents including alcohol and water. However, the fabrication of LM nanoparticle securing the colloidal stability is still challenging due to the high density of liquid metal and surface energy. Herein, we report the effective fabrication of water-dispersed LM-NPs through emulsification-induced self-assembly of polymer. This research can provide a strategy for the formation of LM nano particle-water ink that can be applied to soft electronics.