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Electrochemical detection of the thermally induced phase transition of a thin Stimuli-responsive polymer film

: Fandrich, A.; Buller, J.; Wischerhoff, E.; Laschewsky, A.; Lisdat, F.


ChemPhysChem 13 (2012), Nr.8, S.2020-2023
ISSN: 1439-4235
ISSN: 1439-7641
Fraunhofer IAP ()

Quick and easy: An efficient approach for a direct observation of a thermally induced phase transition of a responsive polymer film on gold surfaces is described (see schematic). Voltammetric measurements show that the peak current and the peak separation for a small redox couple are particularly sensitive to the conformational change of the polymer film and allow its phase transition detection.