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How do plasmonic catalysts work? 


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Plasmonic catalysts function by utilizing the unique properties of plasmonic metal nanoparticles to enhance chemical reactions through interactions with light. These catalysts can harness energy from light to drive reactions, with mechanisms including hot charge-carrier-mediated activation of reactants and equilibrium heating leading to energy transfer for reactions . Plasmonic photocatalysis enables control over efficiency and selectivity in a broader solar spectrum range, offering new reactivities compared to traditional catalysts . By coupling upconversion nanoparticles with plasmonic nanoparticles, reactions like dimerization can be achieved solely through visible emissions from the upconversion nanoparticles exciting plasmonic nanoparticles . Understanding the dynamics of plasmon-driven reactions is crucial for designing novel catalytic structures and optimizing reaction conditions for efficient light-induced chemical transformations .

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Plasmonic catalysts utilize unique features of plasmonic nanomaterials to activate chemical transformations through enhanced electromagnetic fields, nonthermalized charge carriers, and localized temperature gradients, enabling efficient and selective reactions.
Plasmonic catalysts work by utilizing oscillating electric fields to enhance light-induced molecular dissociation, with electric-field enhancement primarily driving O2 dissociation on Au and Ag nanoparticles.
Plasmonic catalysts enable chemical reactions using visible light excitation, influencing selectivity through adsorption, activation, and desorption steps, offering opportunities for solar energy utilization.
Plasmonic catalysts work through local effects, activating reactants via electronic excitation or localized photothermal heating on individual nanoparticles, enhancing chemical reactions compared to non-illuminated systems.

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