Realization of submicrometer structures by a confocal system on azopolymer films containing photoluminescent chromophores (Articolo in rivista)

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  • Realization of submicrometer structures by a confocal system on azopolymer films containing photoluminescent chromophores (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Alternative label
  • Ambrosio A., Camposeo A., Carella A., Borbone F., Pisignano D., Roviello A. and Maddalena P. (2010)
    Realization of submicrometer structures by a confocal system on azopolymer films containing photoluminescent chromophores
    in Journal of applied physics
    (literal)
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  • Ambrosio A., Camposeo A., Carella A., Borbone F., Pisignano D., Roviello A. and Maddalena P. (literal)
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  • 107 (literal)
Rivista
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  • Issue: 8 Article Number: 083110 Acknowledgement: A. A. is grateful to the European Collaborative Project \"S-five\" for financial support. A. C. and D. P. acknowledge the support from the Italian Minister of University and Research through the FIRB Contract No. RBIP06SH3W and from the Apulia Strategic Project PS_144. (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • 1. Univ Naples Federico 2, CNR SPIN Napoli, I-80126 Naples, Italy (Ambrosio A., Maddalena P.) 2. Univ Naples Federico 2, Dipartimento Sci Fis, I-80126 Naples, Italy (Ambrosio A., Maddalena P.) 3. Univ Salento, NNL, CNR, Ist Nanosci, I-73100 Lecce, Italy (Camposeo A., Pisignano D.) 4. Univ Naples Federico 2, Dipartimento Chim, I-80126 Naples, Italy (Carella A., Borbone F., Roviello A.) 5. Univ Salento, Scuola Super ISUFI, I-73100 Lecce, Italy (Pisignano D.) (literal)
Titolo
  • Realization of submicrometer structures by a confocal system on azopolymer films containing photoluminescent chromophores (literal)
Abstract
  • The mass migration phenomenon occurring on the free surface of azobenzene-containing polymers illuminated by light of appropriate wavelength is employed to pattern polymeric films constituted by an azopolymer doped with photoluminescent chromophore. Different topographical features are obtained by adjusting the laser scanning parameters, in particular the laser polarization direction. A detailed microscopic analysis of the patterned samples, based on atomic force microscopy and spectral confocal imaging, evidences the photobleaching of the emitting chromophore in the exposed regions, whereas the emitting features of the chromophore are preserved by the mass migration process. Our results are important for the design of nanostructured light emitting photonic devices based on azopolymers. (C) 2010 American Institute of Physics. [doi:10.1063/1.3382945] (literal)
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