Optoelectronic System-on-Glass for On-Chip Detection of Fluorescence

  • N. Lovecchio
  • F. Costantini
  • M. Nardecchia
  • G. Petrucci
  • M. Tucci
  • P. Mangiapane
  • A. Nascetti
  • G. de Cesare
  • D. Caputo
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 457)

Abstract

In this paper, we present an optoelectronic system-on-glass (SoG), suitable for detection of fluorescent molecule. It integrates, on the same glass substrate, an array of amorphous silicon (a-Si:H) photosensors and a thin film interferential filter. The system can be directly coupled with another glass substrate hosting a polydimethylsiloxane based microfluidic network where the fluorescent phenomena occur. The compatibility of the different technological steps to attain on the same glass substrate the photosensors and the filter determined the sequence, the selection of materials and the deposition parameters of the whole process. The electro-optical characterization of the photodiode, performed after the filter deposition, demonstrated the efficacy of the filter in reducing the excitation light. The system has been successfully tested using the ruthenium complex [Ru(phen)2(dppz)]2+, a fluorescent dye which works as DNA intercalating molecule.

Keywords

Optoelectronic system-on-glass Lab-on-chip Amorphous silicon photosensors Interferential filter Ruthenium complex 

Notes

Acknowledgements

Authors thank the Italian Ministry of Education, University and Research (MIUR) through University Research Project 2015 (prot. C26H15J3PX) for the financial support.

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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  • N. Lovecchio
    • 1
  • F. Costantini
    • 2
    • 3
  • M. Nardecchia
    • 1
    • 2
  • G. Petrucci
    • 1
  • M. Tucci
    • 4
  • P. Mangiapane
    • 4
  • A. Nascetti
    • 2
  • G. de Cesare
    • 1
  • D. Caputo
    • 1
  1. 1.D.I.E.T, Sapienza University of RomeRomeItaly
  2. 2.S.A.E, Sapienza University of RomeRomeItaly
  3. 3.Department of ChemistrySapienza University of RomeRomeItaly
  4. 4.ENEA Research Center CasacciaRomeItaly

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