Plasmonic Properties of Supported Pt and Pd Nanostructures

Langhammer, Christoph; Yuan, Zhe; Zorić, Igor; Kasemo, Bengt Herbert

doi:10.1021/nl060219x

Cited by 470 publications

(426 citation statements)

References 35 publications

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“…The energy of LSP peaks in pure Pd nanodisks ranges between roughly 1-2.5 eV depending on the disk diameter [7]. Exposure to hydrogen shifts the LSP absorption peak to lower energies in nanodisks [8].…”

Section: Resultsmentioning

confidence: 99%

Tuning the plasmon energy of palladium–hydrogen systems by varying the hydrogen concentration

Silkin

Muiño

Chernov

et al. 2012

J. Phys.: Condens. Matter

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Abstract. First principles calculations are performed to obtain the dielectric function and loss spectra of bulk PdH x . Hydrogen concentrations between x = 0 and x = 1 are considered. The calculated spectra are dominated by a broad peak that redshifts in energy with x. The obtained bulk dielectric function is employed to compute the loss spectra of PdH x spherical nanoparticles as a function of x. The dominant plasmon peak in the spherical nanoparticle is lowered in energy with respect to the bulk case. However, the dependence of the resonance energy on the hydrogen concentration is roughly similar to that in bulk.

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Section: Resultsmentioning

confidence: 99%

Tuning the plasmon energy of palladium–hydrogen systems by varying the hydrogen concentration

Silkin

Muiño

Chernov

et al. 2012

J. Phys.: Condens. Matter

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“…The effects are generally well understood and thus LSPR only a short qualitative introduction is given [295,296,297].…”

Section: Indirect Nanoplasmonic Sensing (Inps)mentioning

confidence: 99%

Catalysis with Supported Size-selected Pt Clusters

Schweinberger¹

2014

Springer Theses

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Under ultra high vacuum conditions the electronic structure, adsorption properties and reactivity of two olefins on surfaces and Pt clusters were probed in the submonolayer range. With adsorbed trichloroethene a possible cluster-adsorbate induced change in the electronic structure and for ethene a low temperature, size dependent self-/hydrogenation was observed.In a collaborative approach, the Pt clusters were investigated under ambient pressure conditions. The clusters were characterized on local and integral level and tested towards temperature stability. Experiments in gas phase μ-reactors and in liquid, as part of a hybrid photo catalytic system, revealed size dependent reactivity.

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“…Such 1D:0D composites can fuse the unique optical, chemical and electrical properties of the individual components, enabling applications in heterogeneous catalysis, molecular sensing [1] and the combination of plasmonics, [2] non-linear optical properties [3] and electronics on the nano-scale.…”

Section: Introductionmentioning

confidence: 99%

Laser-induced decoration of carbon nanotubes with metal nanoparticles

et al. 2008

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Hybrid nanomaterials consisting of multiwall carbon nanotubes (MWCNT) decorated with noble metal nanoparticles were produced by irradiating aqueous mixed solutions of the separate components with nanosecond lasers pulses at 248 nm. Specifically, the decoration with Au and Pd nanoparticles is discussed. No decoration of the MWCNT was observed by simple mixing with nanoparticle solutions. Hence, a photo-thermal mechanism is suggested, whereby the laser-heating of the nanoparticles induces melting, boiling and subdivision into smaller clusters and atoms, which then attach to the MWCNT.Send offprint requests to:

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Plasmonic Properties of Supported Pt and Pd Nanostructures

Cited by 470 publications

References 35 publications

Tuning the plasmon energy of palladium–hydrogen systems by varying the hydrogen concentration

Tuning the plasmon energy of palladium–hydrogen systems by varying the hydrogen concentration

Catalysis with Supported Size-selected Pt Clusters

Laser-induced decoration of carbon nanotubes with metal nanoparticles

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