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Article Dans Une Revue Journal of Physical Chemistry C Année : 2022

Patterning Gold Nanorod Assemblies by Deep-UV Lithography

Résumé

We present a new method to pattern assemblies of gold nanorods (GNRs) on substrates and a study of the near-field coupling induced by the aggregation of the nanoparticles. Combination of deep-UV lithography and controlled deposition of functionalized GNRs generates complex GNR assemblies. Near-field coupling is investigated by photoemission electron microscopy (PEEM) on single, dimer and elongated aggregates of GNRs. This comparative study exhibits different kinds of near-field coupling efficiency that occur depending of the incident light polarization, inter-particle gaps and angles between the nanorods. Hot spots of the near field are associated to the inter-particle gap regions.

Domaines

Chimie Matériaux
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Dates et versions

hal-03844169 , version 1 (08-11-2022)

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Citer

Céline Jégat, Edouard Rollin, Ludovic Douillard, Olivier Soppera, Keitaro Nakatani, et al.. Patterning Gold Nanorod Assemblies by Deep-UV Lithography. Journal of Physical Chemistry C, 2022, 126 (32), pp.13729-13738. ⟨10.1021/acs.jpcc.2c03047⟩. ⟨hal-03844169⟩
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