Discrimination of molecular thin films by surface-sensitive time-resolved optical spectroscopy

Claudio Giannetti, Francesco Banfi, Gabriele Ferrini, Simone Peli, Nicola Nembrini, Francesco Damin, Marcella Chiari

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

7 Citazioni (Scopus)

Abstract

An optical discrimination technique, tailored to nanometric-sized, low optical absorbance molecular complexes adhering to thin metal films, is proposed and demonstrated. It is based on a time-resolved evanescent-wave detection scheme in conjunction with hierarchical cluster analysis and principal value decomposition. The present approach aims to differentiate among molecular films based on statistical methods, without using previous detailed knowledge of the physical mechanisms responsible for the detected signal. The technique is open to integration in lab-on-a-chip architectures and nanoscopy platforms for applications ranging from medical screening to material diagnostics.
Lingua originaleEnglish
pagine (da-a)N/A-N/A
RivistaApplied Physics Letters
Volume107
DOI
Stato di pubblicazionePubblicato - 2015

Keywords

  • molecular films
  • surface-sensitive ultrafast spectroscopy

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