Sensitive coating for water vapors detection based on thermally sputtered calcein thin films (Articolo in rivista)

Type
Label
  • Sensitive coating for water vapors detection based on thermally sputtered calcein thin films (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Alternative label
  • Kruglenko I, Shirshov Y, Burlachenko J, Savchenko A, Kravchenko S, Manera MG, Rella R (2010)
    Sensitive coating for water vapors detection based on thermally sputtered calcein thin films
    in Talanta (Oxf.)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Kruglenko I, Shirshov Y, Burlachenko J, Savchenko A, Kravchenko S, Manera MG, Rella R (literal)
Pagina inizio
  • 1392 (literal)
Pagina fine
  • 1396 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 82 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. V Lashkaryov Inst Semicond Phys NAS Ukraine, UA-03028 Kiev, Ukraine 2. CNR, Inst Microelect & Microsyst, Lecce, Italy (literal)
Titolo
  • Sensitive coating for water vapors detection based on thermally sputtered calcein thin films (literal)
Abstract
  • In this paper the adsorption properties of thermally sputtered calcein thin films towards water and other polar molecules vapors are studied by different characterization techniques: quartz crystal microbalance, surface plasmon resonance and visible spectroscopy. Sensitivity of calcein thin films to water vapors resulted much higher as compared with those of a number of dyes whose structure was close to that of calcein. All types of sensors with calcein coatings have demonstrated linear concentration dependences in the wide range of water vapor pressure from low concentrations up to 27,000 ppm (close to saturation). At higher concentrations of water vapor all sensors demonstrate the abrupt increase of the response (up to two orders). A theoretical model is advanced explaining the adsorption properties of calcein thin films taking into account their chemical structure and peculiarities of molecular packing. The possibility of application of thermally sputtered calcein films in sensing technique is discussed. (literal)
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