Surface Plasmonic Sensors and Related Technologies
A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Optical Sensors".
Deadline for manuscript submissions: closed (25 January 2024) | Viewed by 7690
Special Issue Editor
Interests: plasmonics; thin films; sputtering; gold nanoparticles; plasmonic sensing
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
The field of Plasmonics deals with the study of electromagnetic phenomena in the nanoscale vicinity of metal surfaces. Although it may sound strange to common sense, the awareness of the resonant properties of plasmonic metal nanoparticles such as gold or silver is readily apparent to the naked eye. Because noble nanoparticles absorb and scatter visible light, they can generate different colors. These optical effects have been used since antiquity (e.g., in Roman glasses and in stained-glass windows of medieval cathedrals) and, nowadays, have inspired several practical uses in different scientific and technological areas, especially in Sensors.
Surface plasmonic sensors have been widely used in biology, chemistry, and environment monitoring for the last decade. These sensors exhibit extraordinary sensitivity based on surface plasmon resonance (SPR) or localized surface plasmon resonance (LSPR) effects, and they have found commercial applications. The sensing mechanism is typically based on plasmonic resonance shifts, affected by refractive index changes in the environment, charge transfer from (bio)molecules, etc., occurring when analytes are adsorbed (physically or chemically) in the vicinity of the plasmonic surfaces. More recently, plasmonic materials are being developed to transduce other external stimuli, namely mechanical stimuli, or another physical stimulus as a temperature change. The development of commercially viable technologies based on these “physical” surface plasmonic sensors is still a hot topic for researchers.
This Special Issue will welcome contributions reporting new knowledge and/or breakthrough innovations in the development of surface plasmonic sensors, addressing radical new design concepts that can be supported by theory, and new fabrication pathways to produce these materials. Topics covered are:
- Theory of localized surface plasmons, and polaritons;
- Synthesis and fabrication of plasmonic nanoparticles and nanostructures;
- Surface plasmon resonance (SPR) versus localized SPR (LSPR) technologies;
- Surface plasmonic biosensors;
- Plasmomechanic sensors;
- High-sensitivity plasmonic temperature sensors;
- Ultrasensitive chemical sensing, including surface-enhanced Raman spectroscopy (SERS);
- Plasmon-enhanced optical sensors.
Dr. Joel Borges
Guest Editor
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