TiN-contained polymer-metal core-shell structured nanocone array: Engineering of sensor performance by controlling plasmonic properties

Gold Nanocone Array with Extensive Electromagnetic Fields for Highly Reproducible Surface-Enhanced Raman Scattering Measurements

“…When this core–shell (polymer-Au) Au NCA was excited by the 532 nm laser (which is a smaller frequency than the plasma frequency of gold material [ 48 ]), part of the incident light may have been absorbed in the Au itself, the surface of the Au NCA, and the gap between the Au and the polymer and transmitted on the inside of the Au NCA (polymer). This Au NCA feature has already been reported in our previous reports [ 42 , 43 ]. That is likely why the SERS intensity shown in Figure 4 a was different.…”

“…To meet these requirements, we proposed the application of a gold nanocone array (Au NCA) as a SERS substrate, which is known to generate a highly and extensively enhanced EM field near the Au NCA surface by LSPR [ 42 , 43 ]. In this work, the Au NCA substrate was fabricated by direct deposition of Au on a cycloolefin polymer (COP) to demonstrate the simple fabrication.…”

Dielectrophoretic trapping of nanosized biomolecules on plasmonic nanohole arrays for biosensor applications: simple fabrication and visible-region detection

“…28,[66][67][68] For example, we have shown that the incorporation of functional nanomaterials into nanohole polymers fabricated by nanoimprint lithography (NIL) allowed the adjustment and control of the plasmonic property. 69 Also, the sensitivity will be much better improved by tuning of the structures of Au NHAs such as the length of hole diameters and lattice constant in the future. Furthermore, we expect that our Au NHA-based DEP devices can be transformed into more powerful platforms for single-biomolecule detection (e.g., digital bioimaging, 28 surface-enhanced Raman scattering, 70 and Raman imaging 71 ) in the near future because some nanomaterials can be controlled and assembled at certain positions of the Au NHA from the solution by DEP, as presented in this study.…”

“…28,66–68 For example, we have shown that the incorporation of functional nanomaterials into nanohole polymers fabricated by nanoimprint lithography (NIL) allowed the adjustment and control of the plasmonic property. 69 Also, the sensitivity will be much better improved by tuning of the structures of Au NHAs such as the length of hole diameters and lattice constant in the future. Furthermore, we expect that our Au NHA-based DEP devices can be transformed into more powerful platforms for single-biomolecule detection ( e.g.…”

Synthesis and Characterization of a Core-Shell Copolymer with Different Glass Transition Temperatures

“…Core-shell polymers have been used for numerous biological and medical applications, such as controlled calcium and drug delivery, antibacterial applications, stem cells, wound healing, virus chromatography, cancer and hyperthermia therapy and glaucoma treatment [12][13][14]. They have also been used for electronics and energy applications such as solar cells, energy storage, batteries, photovoltaics, fuel cells and sensors, as they enhance electrical conductivity and electrical properties in general [15][16][17][18][19][20]. However, the majority of core-shell materials concern engineering applications such as mechanical reinforcements, where they are used as fillers for their high strength and tensile performance [21] as well as for their high interfacial strength between the cell and the core [22].…”