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Multi-photochromic systems based on azobenzene units: towards 2D and 3D photoresponsive materials

Santoro, Jasmin. Multi-photochromic systems based on azobenzene units: towards 2D and 3D photoresponsive materials. 2019, Doctoral Thesis, University of Basel, Faculty of Science.

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Official URL: http://edoc.unibas.ch/diss/DissB_13303

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Abstract

The research activity focuses on the design, synthesis and characterization of photo-active organic compounds comprising azobenzenes as the photoswitchable unit. The molecules were conceived for the functionalization of graphite substrates to study the supramolecular self-assembly and to investigate changes in physicochemical properties upon irradiation with UV/Vis light. The present thesis is organized in four chapters. Chapter 1 gives an introduction to molecular switches and their potential applications in molecular devices. Azobenzenes and hexa-peri-hexabenzocoronenes are further detailed, focusing on their chemical and physical properties, synthetic methodologies towards their preparation and applications. Subsequently, the assembly of small organic molecules into 2D and 3D extended molecular architectures as promising materials for gas separation and storage, catalysis, drug delivery and semiconducting materials is described.
The main part, which is discussed in Chapter 2 and Chapter 4, deals with the design, synthesis and characterization of photochromic molecules containing switchable azobenzene moieties. The synthesized compounds were designed either for the functionalization of graphite surfaces aiming to the fabrication of novel optically triggered 2D self-assembled systems, or as photoactive building blocks in photo-responsive 3D metal-organic frameworks (MOFs) and covalent organic frameworks (COFs).
Advisors:Mayor, Marcel and Wenger, Oliver S.
Faculties and Departments:05 Faculty of Science > Departement Chemie > Chemie > Molecular Devices and Materials (Mayor)
UniBasel Contributors:Mayor, Marcel
Item Type:Thesis
Thesis Subtype:Doctoral Thesis
Thesis no:13303
Thesis status:Complete
Bibsysno:Link to catalogue
Number of Pages:1 Online-Ressource (233 Seiten)
Language:English
Identification Number:
Last Modified:16 Nov 2019 05:30
Deposited On:15 Nov 2019 09:15

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