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Bonafos, C., Bayle, M., Benzo, P., Pugliara, A., Makasheva, K., Carrada, M., Chery, N., Balout, H., Benoit, M., Tarrat, N., Benassayag, G., Pécassou, B., Navarro, E. & Carles, R. (2020) The 3D Design of Multifunctional Silver Nanoparticle Assemblies Embedded in Dielectrics. physica status solidi (a), 217 1900619. 
Added by: Richard Baschera (2020-04-24 10:26:41)   Last edited by: Richard Baschera (2020-04-24 10:44:56)
Type de référence: Article
DOI: 10.1002/pssa.201900619
Numéro d'identification (ISBN etc.): 1862-6319
Clé BibTeX: Bonafos2020
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Mots-clés: Ag nanoparticles, biocide effects, plasmonic antennas
Créateurs: Balout, Bayle, Benassayag, Benoit, Benzo, Bonafos, Carles, Carrada, Chery, Makasheva, Navarro, Pécassou, Pugliara, Tarrat
Collection: physica status solidi (a)
Consultations : 1/377
Indice de consultation : 5%
Indice de popularité : 1.25%
Liens URLs     http://onlinelibra ... 002/pssa.201900619
Many applications as optical spectroscopy, photothermal therapy, photovoltaics, or photocatalysis take advantage of the localized surface plasmon resonance of noble metal nanoparticles (NPs). Among them, AgNPs are multifunctional nano-objects that can be used not only as efficient plasmonic antennae but also as electron reservoirs for charge transfer or ion reservoirs with strong biocide activity. Herein, the 10 years’ efforts on the safe-by-design synthesis of multifunctional nanocomposites consisting of 3D patterns of small AgNPs embedded in dielectrics are presented by coupling low-energy ion implantation and stencil masking techniques. Their multifunctional coupling with different objects deposited on top of the dielectric surface is also presented through three examples. The twofold role of this single plane of AgNPs as the embedded plasmonic enhancer and charge carrier reservoir is first tested on few-layer graphene deposited in specific areas at a controlled nanometer distance from the AgNPs. These buried AgNPs are also coupled to light emitters coimplanted in the dielectric matrix in specific regions, showing light emission enhancement. Finally, these AgNPs also provide an efficient biocide activity on green algae when submerged in water, with the amount of Ag+ release simply controlled by the thickness of the silica cover layer.
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