Photoinduced (anomalous) dynamics of functionalized polymer chains: Applications for Surface Relief Grating modelling

T. Wysoczanski; A. C. Mitus; W. Radosz; G. Pawlik

doi:10.1117/12.2252261

16 February 2017 Photoinduced (anomalous) dynamics of functionalized polymer chains: Applications for Surface Relief Grating modelling

T. Wysoczanski, A. C. Mitus, W. Radosz, G. Pawlik

Author Affiliations +

Proceedings Volume 10101, Organic Photonic Materials and Devices XIX; 101010W (2017) https://doi.org/10.1117/12.2252261
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

Recently we have formulated a generic Monte Carlo model for the photoinduced build up of the density grating and surface relief grating (SRG) in a model polymer matrix functionalized with azo–dyes.¹ Mass transport from illuminated to dark places was demonstrated and ascribed to a hypothetical complex dynamics of polymer chains in bond–fluctuation model. This paper constitutes a first step towards verification of this hypothesis: we characterize the motion of single functionalized chain dependent on the intensity of linearly polarized light illumination. We report various regimes of diffusion of the center of mass (CM) of the chain: subdiffusion, normal diffusion and superdiffusion. Presence/absence of those regimes depends on the light intensity and on the length of the chain. We report a surprising effect in the presence of light illumination: the longer the polymer chain the stronger superdiffusion sets in.

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Citation Download Citation

T. Wysoczanski, A. C. Mitus, W. Radosz, and G. Pawlik "Photoinduced (anomalous) dynamics of functionalized polymer chains: Applications for Surface Relief Grating modelling", Proc. SPIE 10101, Organic Photonic Materials and Devices XIX, 101010W (16 February 2017); https://doi.org/10.1117/12.2252261

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