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Metal nanostructures with a tunable plasmonic gap are useful for photonics, surface‐enhanced spectroscopy, biosensing, and bioimaging applications. The use of these structures as chemical and biological sensing/imaging probes typically requires an ultra‐precise synthesis of the targeted nanostructure in a high yield, with Raman dye‐labeling and complex assay components and procedures. Here, a plasmonic...
Plasmonic‐Nanogap Particles
Plasmonic‐nanogap particles offer a highly enhanced electromagnetic field inside the gap, which is useful for surface‐enhanced Raman scattering (SERS)‐based sensing applications. In article number 2208250, Jwa‐Min Nam and co‐workers report the design and synthesis of plasmonic dual‐gap nanodumbbell particles with an open gap. Analytes such as DNA can diffuse into this gap...