Plasmonic nanomaterial structuring for SERS enhancement

Hollow plasmonic antennas for broadband SERS spectroscopy

The chemical environment of cells is an extremely complex and multifaceted system that includes many types of proteins, lipids, nucleic acids and various other components. With the final aim of studying these components in detail, we have developed multiband plasmonic antennas, which are suitable for highly sensitive surface enhanced Raman spectroscopy (SERS) and are activated by a wide range o...

Tuning plasmonic and chemical enhancement for SERS detection on graphene-based Au hybrids.

Various graphene-based Au nanocomposites have been developed as surface-enhanced Raman scattering (SERS) substrates recently. However, efficient use of SERS has been impeded by the difficulty of tuning SERS enhancement effects induced from chemical and plasmonic enhancement by different preparation methods of graphene. Herein, we developed graphene-based Au hybrids through physical sputtering g...

Plasmonic Nanomaterial-Based Optical Biosensing Platforms for Virus Detection

Plasmonic nanomaterials (P-NM) are receiving attention due to their excellent properties, which include surface-enhanced Raman scattering (SERS), localized surface plasmon resonance (LSPR) effects, plasmonic resonance energy transfer (PRET), and magneto optical (MO) effects. To obtain such plasmonic properties, many nanomaterials have been developed, including metal nanoparticles (MNP), bimetal...

Organized Plasmonic Clusters with High Coordination Number and Extraordinary Enhancement in Surface-Enhanced Raman Scattering (SERS)**

Centimeter-scale-homogeneous SERS substrates with seven-order global enhancement through thermally controlled plasmonic nanostructures.

Highly homogeneous surface-enhanced Raman scattering (SERS) substrates were produced on the centimeter scale by annealing solution-processed gold nanoparticles into plasmonic nanoislands. The average size and separation of the nanoislands are controlled by tuning the annealing temperature. SERS measurements yield a global enhancement factor as large as 10(7) over an area of 2 × 2 cm(2) for samp...