Photothermal Conversion of Solar Infrared Radiation by Plasmonic Nanoantennas for Photovoltaic-Thermoelectric Hybrid Devices - LAAS - Laboratoire d'Analyse et d'Architecture des Systèmes Accéder directement au contenu
Article Dans Une Revue ACS Applied Energy Materials Année : 2023

Photothermal Conversion of Solar Infrared Radiation by Plasmonic Nanoantennas for Photovoltaic-Thermoelectric Hybrid Devices

Résumé

Photovoltaics have become one of the low-cost options for electricity generation. However, the lack of absorption of the near-infrared and infrared solar spectrum intrinsically limits its efficiency. Here, we present an approach for photothermal conversion of solar infrared radiation in photovoltaic-thermoelectric systems using plasmonic nanoantennas. Through numerical calculations-driven shape engineering we identified Ni diabolo nanoantennas as efficient solar infrared spectrum harvesters. Nanofabrication with electron-beam lithography further revealed its impact on nanoantennas optical properties at single-nanoantenna level. In the large-scale low-cost approach, however, photothermal surfaces of nanocone plasmonic antennas, made with a simple and robust fabrication process, still deliver a significant 6.1°C temperature increase under solar 1 infrared illumination. The reported results pave the way towards the development of hybrid photovoltaic-thermoelectric systems with an optimal utilization of the solar spectrum.
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Dates et versions

hal-04020888 , version 1 (09-03-2023)

Identifiants

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Sébastien Hanauer, Inès Massiot, Adnen Mlayah, Franck Carcenac, Jean-Baptiste Doucet, et al.. Photothermal Conversion of Solar Infrared Radiation by Plasmonic Nanoantennas for Photovoltaic-Thermoelectric Hybrid Devices. ACS Applied Energy Materials, 2023, 6 (4), pp.2128-2133. ⟨10.1021/acsaem.2c03724⟩. ⟨hal-04020888⟩
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