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Stimuli-Responsive Pickering Emulsions: From Interfacial Design to Catalytic Opportunities

delete2025-09-05
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PRE
AI
P
Pavel Švec
N
Niccolò Lusiani
O
Ondřej Sedláček *
DOI：10.1016/j.cattod.2025.115534delete
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Abstract

Abstract

En 中文
Stimuli-responsive Pickering emulsions stabilized by solid nanoparticles with properties modulated by external triggers represent a versatile platform for sustainable biphasic catalysis. Unlike conventional surfactant-based systems, these emulsions offer robust, surfactant-free interfaces with enhanced control over emulsification, demulsification, and even phase inversion, enabled by stimuli such as pH, temperature, light, redox conditions, or magnetic fields. This perspective article provides a concise overview of recent advances in the design of such "smart emulsions "with a focus on functional polymeric and hybrid nanoparticle stabilizers engineered for responsiveness. These systems not only facilitate on-demand catalyst recovery and product separation but also enhance catalytic efficiency through increased interfacial area and selective localization of the catalyst. While addressing current challenges in their scalability and long-term reusability, we highlight their applications in interfacial catalysis, biocatalysis, and environmental remediation. By integrating major advances in colloid science with responsive materials, these systems emerge as a promising avenue toward sustainable chemical processing.

Journal

Catalysis Today cover
Catalysis Today
IF:
5.3
Papers:
1.5W
Citations:
3.9W

Organization

No organization information available