Transparent carbon nanotube film as sensitive material for surface plasmon resonance based optical sensors
| Autor: | Kos Galatsis, Christopher Rutherglen, Alessandro Martucci, Marco Angiola |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Materials Chemistry2506 Metals and Alloys
Materials science Carbon nanotube actuators Physics::Optics Nanotechnology 02 engineering and technology Carbon nanotube 010402 general chemistry 01 natural sciences law.invention Coatings and Films Condensed Matter::Materials Science Potential applications of carbon nanotubes law Surface plasmon resonance Electronic Materials Chemistry Optical and Magnetic Materials Electrical and Electronic Engineering Instrumentation Plasmon Metals and Alloys Hydrogen sensing Transparent film Electronic Optical and Magnetic Materials Condensed Matter Physics Surfaces Coatings and Films 2506 Condensed Matter::Mesoscopic Systems and Quantum Hall Effect 021001 nanoscience & nanotechnology 0104 chemical sciences Surfaces Optical properties of carbon nanotubes Carbon nanobud Colloidal gold 0210 nano-technology |
| Zdroj: | Sensors and Actuators B: Chemical. 236:1098-1103 |
| ISSN: | 0925-4005 |
| Popis: | Semiconductive or metallic single wall carbon nanotubes have been deposited on gold nanoparticles monolayer and used as plasmonic based gas sensor. The coupling between carbon nanotubes and gold nanoparticles has the aim of combining the reactivity of the carbon nanotubes towards hazardous gases, such as H 2 , CO, NO 2 , with the localized surface plasmon resonance of gold nanoparticles, which it is known to be extremely sensitive to the changes in the dielectric properties of the surrounding medium, a working mechanism used for sensor devices. Two different techniques, ink-jet printer and dropcasting, were used for depositing the transparent carbon nanotubes film on the plasmonic layer. Ink-jet printed metallic single wall carbon nanotubes showed high sensitivity toward H 2 at low operative temperature with the detection of low concentration of H 2 . On the contrary, the semiconductive single wall carbon nanotubes displayed very poor gas sensing properties. |
| Databáze: | OpenAIRE |
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