Cited by 710Graphene research and applicationsPlasmonic and Surface Plasmon ResearchAdvanced Thermoelectric Materials and Devices

Plasmon induced thermoelectric effect in graphene

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Shautsova, Viktoryia, Sidiropoulos, Themistoklis, Xiao, Xiaofei, Güsken, Nicholas A., Black, Nicola C. G., Gilbertson, Adam M., Giannini, Vincenzo, Maier, Stefan A. +2 more·2018·Nature Communications

Abstract

Graphene has emerged as a promising material for optoelectronics due to its potential for ultrafast and broad-band photodetection. The photoresponse of graphene junctions is characterized by two competing photocurrent generation mechanisms: a conventional photovoltaic effect and a more dominant hot-carrier-assisted photothermoelectric (PTE) effect. The PTE effect is understood to rely on variations in the Seebeck coefficient through the graphene doping profile. A second PTE effect can occur across a homogeneous graphene channel in the presence of an electronic temperature gradient. Here, we study the latter effect facilitated by strongly localised plasmonic heating of graphene carriers in the presence of nanostructured electrical contacts resulting in electronic temperatures of the order of 2000 K. At certain conditions, the plasmon-induced PTE photocurrent contribution can be isolated. In this regime, the device effectively operates as a sensitive electronic thermometer and as such represents an enabling technology for development of hot carrier based plasmonic devices.

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Crossref · 10.1038/s41467-018-07508-z

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  • These effectively DC responses were generated by a photothermoelectric effect at the gold-graphene interfaces, with net directionality due to oriented plasmonic hot spots.

    “These effectively DC responses were generated by a well-known photothermoelectric effect at the gold-graphene interfaces265,266, with net directionality due to the oriented plasmonic hot spots.”

    From Ultrafast terahertz emission from emerging symmetry-broken materials (2023) · cites this paper as [265]

    The Results (Photoresponse of asymmetric plasmonic contacts; page unavailable) report a non-zero photovoltage under uniform illumination because the plasmonic contact responds more strongly than the nonplasmonic contact. But the Results (Mechanism of plasmon-induced photoresponse enhancement; page unavailable) attribute the additional dominant response to a plasmon-induced photothermoelectric effect across the graphene channel, distinct from the conventional effect at a graphene–gold junction. Thus the asymmetric plasmonic directionality is supported, but the claimed location of the generating effect is not. (LLM, conf=0.87)

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Authors
Shautsova, V., Sidiropoulos, T., Xiao, X., Güsken, N. A., Black, N. C. G., Gilbertson, A. M., Giannini, V., Maier, S. A., Cohen, L. F., & Oulton, R. F.
Affiliations
  • University of Oxford (GB)
  • Imperial College London (GB)
  • National Physical Laboratory (GB)
  • Consejo Superior de Investigaciones Científicas (ES)
Corresponding author
Shautsova, Viktoryia
Venue
Nature Communications
Published
2018-12-05
Volume
9
Issue
1
Pages
5190-5190
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2902947590
Cited by
710
References
39
Citations by year
2026: 11 · 2025: 9 · 2024: 19 · 2023: 9 · 2022: 13 · 2021: 388 · 2020: 204 · 2019: 51 · 2018: 6
FWCI
60.57
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Open access LMU (Ludwid Maxmilian's Universitat Munchen) (submittedVersion, cc-by)
  • Spiral (Imperial College London) (submittedVersion, cc-by)
Funders
  • Royal Society
  • Engineering and Physical Sciences Research Council (1413820, EP/M013812, EP/D063329/1, EP/K016407/1, EP/J014699/1, EP/R00661X/1, EP/I004343/1, EP/M013812/1, EP/P02520X/1, EP/J014699)
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Graphene research and applications
  • Physical Sciences › Engineering › Biomedical Engineering › Plasmonic and Surface Plasmon Research
  • Physical Sciences › Materials Science › Materials Chemistry › Advanced Thermoelectric Materials and Devices
Keywords
graphene, photothermoelectric effect, Seebeck coefficient, plasmonic heating, electronic thermometer, plasmonic devices, photovoltaic effect

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