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Organic materials for organic field-effect transistors and electrochemical transistors
Stříteský, Stanislav ; Weis,, Martin (oponent) ; Boušek, Jaroslav (oponent) ; Weiter, Martin (vedoucí práce)
This work is aimed to the study of the properties of organic semiconducting materials with a focus on their conductivity and mobility of charge carriers. The main goal of this thesis is to elucidate the relationship between the chemical structure of organic semiconductors and their properties. The theoretical part of this work is focused on the basics of organic semiconductors, charge transport and a review of the properties of organic semiconducting materials which have led to their application in field-effect and electrochemical transistors. The experimental part presents the overview of the materials used, the methods for their preparation and characterization methods. Within the result part, several methods for thin-film preparation were developed or optimize and subsequently their effect on the performance of organic field-effect transistors were studied. The relevant properties of novel organic semiconducting materials were characterized and discussed with focus on the charge carrier mobility. The biocompatibility of several organic semiconductors were characterized and discussed. Electrical properties, stability and biocompatibility of electroactive polymer inks based on PEDOT:PSS was characterized and discussed with respect to their possible application in bioelectronics. Finally, the organic bioelectronic sensor for detection of the physiological response of cardiomyocytes based on studied materials were constructed.

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