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Berlin 2018 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 11: Responsive and Adaptive Systems

CPP 11.2: Vortrag

Montag, 12. März 2018, 11:30–11:45, C 230

Photomigration in azo-polymer thin films probed by atomistic molecular dynamics simulations — •Marcus Böckmann and Nikos Doltsinis — Institut für Festkörpertheorie, Westfälische Wilhems-Universität, Münster, Germany

Photoresponsive polymers containing azobenzene (AB) as the photochromic unit are well known for allowing photopatterning and the fabrication of surface relief gratings (SRGs) [1,2]. In this contribution, we will report on recent results from our theoretical studies based on multiscale molecular dynamics (MD) simulation techniques [3,4] applied to the phenomenon of light-induced mass transport – also being termed photofluidity [5] – in an active layer slab of poly-disperse-orange-3-metacrylamide (PDO3M) [6].

[1] P. Rochon, E. Batalla, and A.  Natansohn, Appl. Phys. Lett. 66, 136 (1995).
[2] N.S. Yadavalli, F. Linde, A. Kopyshev, and S. Santer,
  ACS Appl. Mater. Int. 5, 7743 (2013).
[3] M. Böckmann, D. Marx, C. Peter, L. Delle Site, K. Kremer, and N. Doltsinis,
  Phys. Chem. Chem. Phys. 10, 1039 (2011).
[4] M. Böckmann, S. Braun, N. L. Doltsinis, and D. Marx,
  J. Chem. Phys. 139, 084108 (2013).
[5] P. Karageorgiev, D. Neher, B. Schulz, B. Stiller, U. Pietsch, M. Giersig,
  and L. Brehmer Nature Materials 4, 699 (2005).
[6] M. Böckmann and N. L. Doltsinis, J. Chem. Phys. 145, 154701 (2016).

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