Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 57, Issue 36, Pages 11752-11757Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201807372
Keywords
controlled release; emulsions; interfaces; nanogates; self-assembly
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Funding
- PetroChina Scientific Research and Technology Development Project [2014A-1001, 2014A-1001-01]
- Guangzhou Science Technology and Innovation Commission [2016201604030063]
- Foshan Municipal Science and Technology Bureau Project [2015IT100162]
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Dynamically engineering the interfacial interaction of nanoparticles has emerged as a new approach for bottom-up fabrication of smart systems to tailor molecular diffusion and controlled release. Janus zwitterionic nanoplates are reported that can be switched between a locked and unlocked state at interfaces upon changing surface charge, allowing manipulation of interfacial properties in a fast, flexible, and switchable manner. Combining experimental and modeling studies, an unambiguous correlation is established among the electrostatic energy, the interface geometry, and the interfacial jamming states. As a proof-of-concept, the well-controlled interfacial jamming of nanoplates enabled the switchable molecular diffusion through liquid-liquid interfaces, confirming the feasibility of using nanoparticle-based surfactants for advanced controlled release.
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