Quantification of the Optical Response of Polydiacetylenes

Diplôme Thèse Quantification of the Optical Response of Polydiacetylenes eng 2022-12-08 2022-12-20 author Juhasz Levente 912399 director Fuerstenberg Alexandre 0000-0002-6227-3122 135518 116 10.13097/archive-ouverte/unige:166015 urn:nbn:ch:unige-1660151 Sc. 5708 <p>Since their discovery in the late 1960s, polydiacetylenes (PDA) have been in the limelight of scientific research. Upon external stimuli, such as heat, applied force, irradiation or addition of various molecules, they show unique mechanochromic characteristics, i.e. they change their colour from blue to red, and turn fluorescent. Despite the great progress, there are still many open questions in the field of polydiacetylenes: for instance, the exact mechanism of the colour change is still not clear, while the force sensing capabilities of PDA have not yet been exploited either due to the lack of quantitative analyses on their mechanochromic response. Thus, this thesis aims at addressing some of these questions and tries to help disambiguate the picture on the phase change of polydiacetylenes triggered by three different stimuli: force, addition of biomolecules and laser irradiation. </p> <p></p> Polydiacetylene Mechanochromism AFM Lateral force Laser irradiation Melittin Phase change Fluorescence Colour change Dewey 540 38 Département de chimie physique 142 false 1351 Groupe Fuerstenberg 2b694eca-2d6e-4869-af9e-029829c3face Thesis Public L_JUHASZ_Thesis_Quantification of t.pdf 9814765 application/pdf 36ef3dd5-cac4-4acc-b13c-a5d42e6a0fa3 Imprimatur Public Imprimatur_Levente_JUHASZ.pdf 634468 application/pdf openAccess Faculté des sciences / Section de chimie et biochimie / Département de chimie physique

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Quantification of the Optical Response of Polydiacetylenes				2022	510	354

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Juhasz, Levente

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