Nanophotonic biosensors harnessing van der Waals materials
| Autor: | Hatice Altug, Steven J. Koester, Michael S. Strano, Xiaojia Jin, Tony Low, Joshua B. Edel, Sang Hyun Oh, Aleksandar P. Ivanov, Phaedon Avouris |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
Spectrophotometry
Infrared Nanophotonics General Physics and Astronomy real-time Physics::Optics Biocompatible Materials 02 engineering and technology Biosensing Techniques Review Article walled carbon nanotubes 01 natural sciences law.invention law sensor Polariton lipid-bilayer formation graphene plasmonics Surface plasmon resonance Multidisciplinary 021001 nanoscience & nanotechnology field surface-plasmon resonance Metals symbols Thermodynamics Graphite van der Waals force 0210 nano-technology spectroscopy Surface Properties Science Exciton Nanotechnology Carbon nanotube 010402 general chemistry label-free General Biochemistry Genetics and Molecular Biology phase molecular recognition symbols.namesake Nanoscience and technology Physics::Atomic and Molecular Clusters Particle Size Plasmon Nanophotonics and plasmonics Graphene General Chemistry Surface Plasmon Resonance 0104 chemical sciences Nanostructures Biosensors Optical properties and devices Materials for optics |
| Zdroj: | Nature Communications volume 12, Article number: 3824 (2021) Nature Communications Nature Communications, Vol 12, Iss 1, Pp 1-18 (2021) |
| ISSN: | 2041-1723 |
| DOI: | 10.1038/s41467-021-23564-4 |
| Popis: | Low-dimensional van der Waals (vdW) materials can harness tightly confined polaritonic waves to deliver unique advantages for nanophotonic biosensing. The reduced dimensionality of vdW materials, as in the case of two-dimensional graphene, can greatly enhance plasmonic field confinement, boosting sensitivity and efficiency compared to conventional nanophotonic devices that rely on surface plasmon resonance in metallic films. Furthermore, the reduction of dielectric screening in vdW materials enables electrostatic tunability of different polariton modes, including plasmons, excitons, and phonons. One-dimensional vdW materials, particularly single-walled carbon nanotubes, possess unique form factors with confined excitons to enable single-molecule detection as well as in vivo biosensing. We discuss basic sensing principles based on vdW materials, followed by technological challenges such as surface chemistry, integration, and toxicity. Finally, we highlight progress in harnessing vdW materials to demonstrate new sensing functionalities that are difficult to perform with conventional metal/dielectric sensors. This review presents an overview of scenarios where van der Waals (vdW) materials provide unique advantages for nanophotonic biosensing applications. The authors discuss basic sensing principles based on vdW materials, advantages of the reduced dimensionality as well as technological challenges. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|