Nanoporous Ge electrode as a template for nano-sized (< 5 nm) Au aggregates (Articolo in rivista)

Type
Label
  • Nanoporous Ge electrode as a template for nano-sized (< 5 nm) Au aggregates (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0957-4484/23/39/395604 (literal)
Alternative label
  • Impellizzeri G, Romano L, Fraboni B, Scavetta E, Ruffino F, Bongiorno C, Privitera V, Grimaldi MG (2012)
    Nanoporous Ge electrode as a template for nano-sized (< 5 nm) Au aggregates
    in Nanotechnology (Bristol. Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Impellizzeri G, Romano L, Fraboni B, Scavetta E, Ruffino F, Bongiorno C, Privitera V, Grimaldi MG (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 23 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 39 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Univ Catania, CNR IMM MATIS, I-95123 Catania, Italy [ 2 ] Univ Catania, Dipartimento Fis & Astron, I-95123 Catania, Italy [ 3 ] Univ Bologna, Dipartmento Fis, I-40127 Bologna, Italy [ 4 ] Univ Bologna, Dipartimento Chim Fis & Inorgan, I-40136 Bologna, Italy [ 5 ] CNR IMM, I-95121 Catania, Italy (literal)
Titolo
  • Nanoporous Ge electrode as a template for nano-sized (< 5 nm) Au aggregates (literal)
Abstract
  • In this paper we present the extremely peculiar electrical properties of nanoporous Ge. A full and accurate electrical characterization showed an unexpected and extremely high concentration of positive carriers. Electrochemical analyses showed that nanoporous Ge has improved charge transfer properties with respect to bulk Ge. The electrode behavior, together with the large surface-to-volume ratio, make nanoporous Ge an efficient nanostructured template for the realization of other porous materials by electrodeposition. The pores were efficiently decorated by Au nanoparticles of diameter as low as 1-5 nm, prepared by electrochemical deposition. These new results demonstrate the potential and efficient use of nanoporous Ge as a nanostructured template for nano-sized Au aggregates, opening the way for the realization of innovative sensor devices. (literal)
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