Optimized Colossal Near-Field Thermal Radiation Enabled by Manipulating Coupled Plasmon Polariton GeometryShow others and affiliations
2021 (English)In: Advanced Materials, ISSN 0935-9648, E-ISSN 1521-4095, Vol. 33, no 52, p. 2106097-, article id 2106097Article in journal (Refereed) Published
Abstract [en]
Collective optoelectronic phenomena such as plasmons and phonon polaritons can drive processes in many branches of nanoscale science. Classical physics predicts that a perfect thermal emitter operates at the black body limit. Numerous experiments have shown that surface phonon polaritons allow emission two orders of magnitude above the limit at a gap distance of ≈50 nm. This work shows that a supported multilayer graphene structure improves the state of the art by around one order of magnitude with a ≈1129-fold-enhancement at a gap distance of ≈55 nm. Coupled surface plasmon polaritons at mid- and far-infrared frequencies allow for near-unity photon tunneling across a broad swath of k-space enabling the improved result. Electric tuning of the Fermi-level allows for the detailed characterization and optimization of the colossal nanoscale heat transfer.
Place, publisher, year, edition, pages
Wiley , 2021. Vol. 33, no 52, p. 2106097-, article id 2106097
Keywords [en]
Electromagnetic wave polarization, Fermi level, Graphene, Multilayers, Nanotechnology, Photons, Surface plasmon resonance, Tuning, Coupled plasmon, Coupled plasmon polariton, Electric tuning, Graphene fermi level, Multilayer graphene, Multilayer graphene/SU8 heterostructure, Nanoscale heat transfer manipulation, Nanoscale heat transfers, Orders of magnitude, Plasmon-polaritons, Phonons
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-312333DOI: 10.1002/adma.202106097ISI: 000709845800001PubMedID: 34632648Scopus ID: 2-s2.0-85117491943OAI: oai:DiVA.org:kth-312333DiVA, id: diva2:1658706
Note
QC 20220517
2022-05-172022-05-172022-06-25Bibliographically approved