Sensors and inverted resonance on surface plasmons in palladium

Logacheva, E. I.; Makin, V. S.; Pestov, Yu. I.; Kohns, P.

doi:10.1364/jot.73.000409

Cited by 3 publications

(2 citation statements)

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“…Palladium and iridium are two examples of metals displaying inverted SPR behavior, and theoretical studies on the former [9] demonstrate the possibility to use it for hydrogen sensing due to variations of the optical constants of the metal brought about by exposure to the gas. However, bare metal surfaces lack sensitivity since any species can interact with the substrate, modifying its optical properties.…”

Section: Introductionmentioning

confidence: 99%

Functional palladium metal films for plasmonic devices: an experimental proof

Zuccon¹,

Zuppella²,

Cristofani³

et al. 2014

J. Opt.

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Palladium-based, Inverted surface plasmon resonance substrates with functional surfaces are presented and characterized. The advantages of the use of palladium in lieu of other metals (most notably gold) are discussed and assayed experimentally. We demonstrate how the bare metal films can be functionalized by thiol chemistry or by adsorption of functional graphene sheets and how the features of the surfaces affect the performance of the substrate.

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Section: Introductionmentioning

confidence: 99%

Functional palladium metal films for plasmonic devices: an experimental proof

Zuccon¹,

Zuppella²,

Cristofani³

et al. 2014

J. Opt.

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“…Many years ago the observation of a maximum in reflectivity coinciding with the excitation of SPP has been reported [15]. The physical phenomena is known as inverted surface plasmon resonance (ISPR) and it has been investigated for different metals [14,16]. The idea we propose is to exploit the features of noble metals with ISPR behavior for high-resolution biosensors development.…”

Section: Introductionmentioning

confidence: 99%

Graphene–noble metal bilayers for inverted surface plasmon resonance biosensors

Zuppella¹,

Tosatto²,

Corso³

et al. 2013

J. Opt.

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Inverted surface plasmon resonance (ISPR) biosensors based on absorbent metal thin films with a graphene sheet on top are presented. Two systems have been examined by means of a numerical study, a bilayer of palladium/graphene and one of iridium/graphene. The features and performances of such biosensors are discussed. The proposed ISPR systems potentially disclose new strategies for high-resolution, sensitive and straightforward detection of multiple biomolecular interactions.

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