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Issue 27, 2016
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Azobenzene – functionalized polyelectrolyte nanolayers as ultrafast optoacoustic transducers

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Abstract

We introduce azobenzene-functionalized polyelectrolyte multilayers as efficient, inexpensive optoacoustic transducers for hyper-sound strain waves in the GHz range. By picosecond transient reflectivity measurements we study the creation of nanoscale strain waves, their reflection from interfaces, damping by scattering from nanoparticles and propagation in soft and hard adjacent materials like polymer layers, quartz and mica. The amplitude of the generated strain ε ∼ 5 × 10−4 is calibrated by ultrafast X-ray diffraction.

Graphical abstract: Azobenzene – functionalized polyelectrolyte nanolayers as ultrafast optoacoustic transducers

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Publication details

The article was received on 19 Feb 2016, accepted on 14 Jun 2016 and first published on 15 Jun 2016


Article type: Paper
DOI: 10.1039/C6NR01448H
Citation: Nanoscale, 2016,8, 13297-13302
  • Open access: Creative Commons BY license
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    Azobenzene – functionalized polyelectrolyte nanolayers as ultrafast optoacoustic transducers

    E. S. Pavlenko, M. Sander, S. Mitzscherling, J. Pudell, F. Zamponi, M. Rössle, A. Bojahr and M. Bargheer, Nanoscale, 2016, 8, 13297
    DOI: 10.1039/C6NR01448H

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