EPJ Web Conf.
Volume 139, 2017Nanophotonics and Micro/Nano Optics International Conference – NANOP 2016
|Number of page(s)||3|
|Published online||23 March 2017|
Determination of the Glass Transition Temperature of Freestanding and Supported Azo-Polymer Thin Films by Thermal Assisted Atomic Force Microscopy
1 Department of Optics and Nanophotonics, Institute of Physics, Kazan Federal University, Kremlevskaya, 16, Kazan, 420008, Russia
2 Institute of Perspective Technologies, Tatarstan Academy of Sciences, Baumana, 20, Kazan, 420111, Russia
3 National Laboratory Astana, Nazarbayev University, Kabanbay batyr ave., 53, Astana, 010000, Kazakhstan
4 CSF ECB&MST, National Research University MIET, 124498 Moscow, Russia
* Corresponding author: email@example.com
Published online: 23 March 2017
In this paper we introduce and apply the method for determination of the glass transition temperature of the sub-100 nm thick freestanding and supported polymer films based on thermally assisted atomic force microscopy (AFM). In proposed approach changes of the phase of an oscillating AFM cantilever are used to determine glass transition temperature. An anomalous decrease of the glass transition temperature for both free-standing and supported azobenzene-functionalized polymer thin films is shown.
© The Authors, published by EDP Sciences, 2017
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