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Synergic Integration of Conjugated Luminescent Polymers and Three-Dimensional Silicon Microstructures for the Effective Synthesis of Photoluminescent Light Source Arrays

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Sensors

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 319))

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Abstract

In this work, a novel and straightforward technology for the fabrication of two-dimensional (2D) photoluminescent light source arrays by selective infiltration of conjugated luminescent polymers into three-dimensional (3D) silicon microstructures is presented. Poly(9,9-di-n-octylfluorene-alt-benzothiadiazole) (F8BT) integration into 3D silicon microstructures is investigated by means of three different deposition techniques, namely, spin-coating, dip-coating and drop-casting/slow solvent evaporation. The microstructure is fabricated by electrochemical micromachining (ECM) technology and integrates 2D arrays of square holes with different sizes (about 40 and 4 μm), spatial periods (about 70 and 10 μm), and aspect ratios (ARs) (about one and ten). Notably, square holes with higher AR can be selectively filled with polymer using spin-coating and drop-casting techniques, whereas dip-coating technique allows selective polymer filling of square holes with lower AR. Independently of size, period and AR, each polymer-infiltrated hole behaves as a single light source, thus enabling the effective synthesis of 2D photoluminescent light source arrays.

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References

  1. G. Polito, S. Surdo, V. Robbiano, F. Cacialli, G. Barillaro. Two-dimensional array of photoluminescent light sources by selective integration of conjugated luminescent polymers into three-dimensional silicon microstructures. Adv. Optical Mater. 1 (12), 888–894 (2013)

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  3. M. Bassu, S. Surdo, L.M. Strambini, G. Barillaro. Electrochemical micromachining as an enabling technology for advanced silicon micrtostructuring. Adv. Funct. Mater. 22 (6), 1222–28 (2012)

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Authors and Affiliations

  1. Dipartimento di Ingegneria dell’Informazione, Università di Pisa, Via G. Caruso 16, 56122, Pisa, Italy

    Giuseppe Barillaro, Giovanni Polito & Salvatore Surdo

  2. Department of Physics and Astronomy and London Centre for Nanotechnology, University College London, Gower Street, WC1E 6BT, London, UK

    Valentina Robbiano, Giulia Tregnago & Franco Cacialli

Authors
  1. Giuseppe Barillaro
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  2. Giovanni Polito
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  3. Salvatore Surdo
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  4. Valentina Robbiano
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  5. Giulia Tregnago
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  6. Franco Cacialli
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Corresponding author

Correspondence to Giuseppe Barillaro .

Editor information

Editors and Affiliations

  1. Faculty of Bioscience and Technologies for Food Agriculture and Environment, University of Teramo, Mosciano S.A., Teramo, Italy

    Dario Compagnone

  2. Institute of Applied Physics IFAC-CNR, Firenze, Italy

    Francesco Baldini

  3. Dept. of Electronic Engineering, University of Rome Tor Vergata, Rome, Italy

    Corrado Di Natale

  4. University of Cassino, Cassino, Italy

    Giovanni Betta

  5. CNR, Head of Inst. of Microelectronics a, Lecce, Italy

    Pietro Siciliano

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© 2015 Springer International Publishing Switzerland

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Barillaro, G., Polito, G., Surdo, S., Robbiano, V., Tregnago, G., Cacialli, F. (2015). Synergic Integration of Conjugated Luminescent Polymers and Three-Dimensional Silicon Microstructures for the Effective Synthesis of Photoluminescent Light Source Arrays. In: Compagnone, D., Baldini, F., Di Natale, C., Betta, G., Siciliano, P. (eds) Sensors. Lecture Notes in Electrical Engineering, vol 319. Springer, Cham. https://doi.org/10.1007/978-3-319-09617-9_43

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  • DOI: https://doi.org/10.1007/978-3-319-09617-9_43

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-09616-2

  • Online ISBN: 978-3-319-09617-9

  • eBook Packages: EngineeringEngineering (R0)

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