The discrete single-entity electrochemistry of Pickering emulsions

So Dam Kim, Joon Ho Park, Hyokyum Ahn, Jeeho Lee, Chan Ho Shin, Woo Dong Jang, Byung Kwon Kim, Hyun S. Ahn

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Single-entity analysis is an important research topic in electrochemistry. To date, electrode collisions and subsequent electrode-particle interactions have been studied for many types of nano-objects, including metals, polymers, and micelles. Here we extend this nano-object electrochemistry analysis to Pickering emulsions for the first time. The electrochemistry of Pickering emulsions is important because the internal space of a Pickering emulsion can serve as a reactor or template; this leads to myriad possible applications, all the while maintaining mechanical stability far superior to what is exhibited by conventional emulsions. This work showed that Pickering emulsions exhibit similar hydrodynamic behavior to other nano-objects, despite the complex structure involving hard nanoparticle surfactants, and the electron-transport mechanism into the internal volume of Pickering emulsions was elucidated. The Pickering emulsion electrochemistry platform developed here can be applied to electrochemical nanomaterial synthesis, surmounting the challenges faced by conventional synthetic strategies involving normal emulsions.

Original languageEnglish
StateAccepted/In press - 2022


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