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Pavlenko ES, Sander M, Mitzscherling S, et al. Azobenzene - functionalized polyelectrolyte nanolayers as ultrafast optoacoustic transducers. Nanoscale. 2016;8(27):13297-302doi: 10.1039/c6nr01448h.
Pavlenko, E. S., Sander, M., Mitzscherling, S., Pudell, J., Zamponi, F., Rössle, M., Bojahr, A., & Bargheer, M. (2016). Azobenzene - functionalized polyelectrolyte nanolayers as ultrafast optoacoustic transducers. Nanoscale, 8(27), 13297-302. https://doi.org/10.1039/c6nr01448h
Pavlenko, E S, et al. "Azobenzene - functionalized polyelectrolyte nanolayers as ultrafast optoacoustic transducers." Nanoscale vol. 8,27 (2016): 13297-302. doi: https://doi.org/10.1039/c6nr01448h
Pavlenko ES, Sander M, Mitzscherling S, Pudell J, Zamponi F, Rössle M, Bojahr A, Bargheer M. Azobenzene - functionalized polyelectrolyte nanolayers as ultrafast optoacoustic transducers. Nanoscale. 2016 Jul 21;8(27):13297-302. doi: 10.1039/c6nr01448h. Epub 2016 Jun 24. PMID: 27341685.
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Nanoscale. 2016 Jul 21;8(27):13297-302. doi: 10.1039/c6nr01448h. Epub 2016 Jun 24.

Azobenzene - functionalized polyelectrolyte nanolayers as ultrafast optoacoustic transducers.

Nanoscale

E S Pavlenko, M Sander, S Mitzscherling, J Pudell, F Zamponi, M Rössle, A Bojahr, M Bargheer

Affiliations

  1. Institute of Physics and Astronomy, University of Potsdam, Karl-Liebknecht-Str. 24-25, 14476 Potsdam, Germany. [email protected].

PMID: 27341685 DOI: 10.1039/c6nr01448h

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.

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