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New Gold Nanoparticles Adhesion Process Opening the Way of Improved and Highly Sensitive Plasmonics Technologies |
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| Authors: | Marc Lamy de la Chapelle Hong Shen Nicolas Guillot Benoît Frémaux Bruno Guelorget Timothée Toury |
| Affiliation: | 1. CSPBAT UMR 7244, UFR SMBH, Université Paris 13, 74 rue Marcel Cachin, 93017, Bobigny, France 2. ICD-LNIO, UMR STMR CNRS 6279, Université de Technologie de Troyes, 12 rue Marie Curie, BP 2060, 10000, Troyes, France 3. ICD-LASMIS, UMR STMR CNRS 6279, Université de Technologie de Troyes, 12 rue Marie Curie, BP 2060, 10000, Troyes, France |
| Abstract: | Gold nanostructures have very suitable physical properties for plasmonic applications but do not stick on glass substrates. One usually uses a chromium adhesion layer that gives good mechanical adhesion but quench the plasmon. We developed a new adhesion process that permits a covalent bonding between gold and glass thanks to an MPTMS molecular layer throughout nanolithography process. We demonstrate that this new adhesion layer allows an improvement of the optical properties of the gold nanoparticles as well as an essential improvement of their surface-enhanced Raman scattering performances. |
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