Highly sensitive optochemical gas detection by luminescent marine diatoms (Articolo in rivista)

Type
Label
  • Highly sensitive optochemical gas detection by luminescent marine diatoms (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.2768027 (literal)
Alternative label
  • Setaro A (1); Lettieri S (1,2); Maddalena P (1,2); De Stefano L (3) (2007)
    Highly sensitive optochemical gas detection by luminescent marine diatoms
    in Applied physics letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Setaro A (1); Lettieri S (1,2); Maddalena P (1,2); De Stefano L (3) (literal)
Pagina inizio
  • 51921 (literal)
Pagina fine
  • 51921 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 91 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Univ Naples Federico 2, Dipartimento Sci Fis, I-80126 Naples, Italy (2) CNR-INFM Coherentia, I-80126 Naples, Italy (3) CNR, Unita Napoli, Ist Microelettron & Microsistemi, I-80131 Naples, Italy (literal)
Titolo
  • Highly sensitive optochemical gas detection by luminescent marine diatoms (literal)
Abstract
  • The modifications of photoluminescence properties of silica frustules of different marine diatoms induced by adsorption of nitrogen dioxide, methane, and carbon monoxide are reported. Different species of diatoms were found to exhibit different relative responses and different gas concentration ranges of sensitivity, depending on the morphology and porosity of their frustules. The photoluminescence quenching shows surface signature, exhibiting a coverage-limited kinetics according to a Langmuir mechanism. Due to the large variety of dimensions, porosities, and surface morphologies available in nature, these materials appear to be promising to improve the selectivity of gas sensing based on photoluminescence optochemical transduction. (c) 2007 American Institute of Physics. (literal)
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