Nanoparticle-mirror sandwich substrates for surface-enhanced Raman scattering

Article Abstract:

Sandwich surface-enhanced Raman scattering (SERS) substrates (3S) utilizing coupling between continuous metal films and plasmonic particles were fabricated using silver mirrors, electrochemically roughened films, and various sizes of silver nanoparticles. The Raman enhancement resulted from plasomon coupling of silver nanoparticles to the underlying continuous film as well as the lateral plasmon coupling between the silver nanoparticles and formation of charge transfer complex observed.

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Surface plasmon resonances of silver triangle nanoplates: Graphic assignments of resonance modes and linear fittings of resonance peaks

Article Abstract:

The discrete dipole approximation (DDA) method was utilized to simulate the extinction spectra of five silver triangle nanoplates with fixed thickness of 10 nm and various side lengths of 50, 100, 150, 200, and 250 nm. The graphic analysis method has proven to be useful in characterizations and assignments of the surface plasmon resonances (SPR) peaks, because it can provide direct graphic evidence for deciding the SPR modes.

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Electrochemical fabrication of two-dimensional palladium nanostructures as substrates for surface enhanced Raman scattering

Article Abstract:

Two-dimensional palladium (Pd) nanostructures are fabricated by electrochemical deposition of Pd onto an indium tin oxide glass substrate modified with a thin flat film of polypyrrole or a nanofibril film of polyaniline. The experimental results have demonstrated that the morphology of Pd nanoparticles strongly depends on the properties of conducting polymers and the conditions of electrochemical deposition.

Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Palladium, Usage, Nanotechnology, Electrochemical analysis, Chemical properties

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