DNA Nanostructure-Guided Plasmon Coupling Architectures
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Plasmon coupling architectures with specific spatial and orientational arrangement configurations pos-sess unique and tailored plasmonic properties and hold promise for advancements in nano-optics,nanoantennas,and biosensors.Numerous research has focused on the construction of plasmonic assem-blies with predetermined configurations.DNA nanos-tructures with arbitrary geometry,high compatibility with metal nanoparticles,and spatial addressability meet the requirement for precise spatial and orienta-tion arrangement.Currently,DNA nanostructures are widely exploited as structural materials to generate plasmonic structures with well-defined topologies.We review the evolution of DNA nanostructure-guided plasmon coupling architectures,including the introduction of DNA nanostructures,DNA modifica-tion on the surface of plasmonic nanoparticles,and three strategies for constructing complex plasmonic nanostructures.Then we focus on the emerging appli-cations of DNA nanostructure-guided architectures with engineered local electromagnetic enhancement for modulating plasmon coupling,amplifying emitter signals,and serving as biosensors.Finally,we will critically discuss the challenges and opportunities in this field.
DNA nanostructuresplasmonic nanopar-ticleslocalized surface plasmon resonanceplasmon coupling architectures
Shanghai Key Laboratory of Green Chemistry and Chemical Processes,School of Chemistry and Molecular Engineer-ing,East China Normal University,Shanghai 200241
School of Chemistry and Chemical Engineering,Frontiers Science Center for Transformative Molecules,Institute of Translational Medicine,Shanghai Jiao Tong University,Shanghai 200240
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维普
