{"id":{"repo_id":"wurz-thes","oai_identifier":"oai:opus.bibliothek.uni-wuerzburg.de:905"},"canonical_url":"https://search.dev.ndltd.org/etd/wurz-thes/oai:opus.bibliothek.uni-wuerzburg.de:905","repository":{"repo_id":"wurz-thes","name":"Universität Wüzburg","base_url":"https://opus.bibliothek.uni-wuerzburg.de/oai"},"display":{"title":"Synthesis and characterization of terpyridine-based fluorescent coordination polymers","abstract":"Complexation properties of 2,2':6',2''-terpyridine (tpy) have been studied with a series of first row transition metal ions by UV-vis, 1H NMR and isothermal titration calorimetry and ƒ´H values for the tpy complexation processes have been determined. These studies reveal that Zn2+ is the best suited metal ion for the reversible coordination of the terpyridine ligand. Thus, supramolecular coordination polymerization of perylene bisimide fluorophores containing terpyridine functionalities have been investigated by using Zn2+ as metal ion. The formation of the dimeric complexes in the case of monotopic model comounds and coordination polymerization of ditopic functional building blocks have been confirmed by 1H NMR studies. The optical properties of dimeric and polymeric complexes have been investigated by UV-vis and fluorescence spectroscopy. The Zn2+ coordination to the terpyridine unit does not effect the advantageous fluorescence properties of perylene bisimide moieties. The reversibility of the formation of coordination polymers has been established by 1H NMR and additionally by DOSY NMR and fluorescence anisotropy measurements. Coordination polymer strands can be visualized by atomic force microscopy (AFM), which also reveals the formation of an ordered monolayer film at higher concentration. The average polymer length has been determined by AFM to 15 repeat units, which correlates well with the value estimated by 1H NMR to >10 repeat units.","abstract_html":"Complexation properties of 2,2':6',2''-terpyridine (tpy) have been studied with a series of first row transition metal ions by UV-vis, 1H NMR and isothermal titration calorimetry and ƒ´H values for the tpy complexation processes have been determined. These studies reveal that Zn2+ is the best suited metal ion for the reversible coordination of the terpyridine ligand. Thus, supramolecular coordination polymerization of perylene bisimide fluorophores containing terpyridine functionalities have been investigated by using Zn2+ as metal ion. The formation of the dimeric complexes in the case of monotopic model comounds and coordination polymerization of ditopic functional building blocks have been confirmed by 1H NMR studies. The optical properties of dimeric and polymeric complexes have been investigated by UV-vis and fluorescence spectroscopy. The Zn2+ coordination to the terpyridine unit does not effect the advantageous fluorescence properties of perylene bisimide moieties. The reversibility of the formation of coordination polymers has been established by 1H NMR and additionally by DOSY NMR and fluorescence anisotropy measurements. Coordination polymer strands can be visualized by atomic force microscopy (AFM), which also reveals the formation of an ordered monolayer film at higher concentration. The average polymer length has been determined by AFM to 15 repeat units, which correlates well with the value estimated by 1H NMR to >10 repeat units.","abstract_has_math":false,"creators":["Dobrawa, Rainer Anton"],"institution":"Universität Würzburg","degree_name":null,"degree_level":"thesis.doctoral","degree_discipline":null,"degree_department":null,"school":null,"contributors":["Würthner, Frank"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2004,"date_issued":"2004-09-23","date_published":"2004-09-23","updated_at":"2026-07-24T06:11:27Z","subjects":["Fluoreszenz","Perylenbisimid","Koordinationspolymer","Polymer","Fluorescence","Perylene Bisimide","Coordination Polymer"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://opus.bibliothek.uni-wuerzburg.de/frontdoor/index/index/docId/905","outbound_label":"Repository record","outbound_source":"source_url"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Würthner, Frank"]},{"key":"dc:creator","label":"Author","values":["Dobrawa, Rainer Anton"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:publisher","label":"Institution","values":["Universität Würzburg"]},{"key":"dc:type","label":"Dc Type","values":["doctoralThesis"]},{"key":"thesis:degree_level","label":"Degree Level","values":["thesis.doctoral"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Universität Würzburg"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Fluoreszenz","Perylenbisimid","Koordinationspolymer","Polymer","Fluorescence","Perylene Bisimide","Coordination Polymer"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Complexation properties of 2,2':6',2''-terpyridine (tpy) have been studied with a series of first row transition metal ions by UV-vis, 1H NMR and isothermal titration calorimetry and ƒ´H values for the tpy complexation processes have been determined. These studies reveal that Zn2+ is the best suited metal ion for the reversible coordination of the terpyridine ligand. Thus, supramolecular coordination polymerization of perylene bisimide fluorophores containing terpyridine functionalities have been investigated by using Zn2+ as metal ion. The formation of the dimeric complexes in the case of monotopic model comounds and coordination polymerization of ditopic functional building blocks have been confirmed by 1H NMR studies. The optical properties of dimeric and polymeric complexes have been investigated by UV-vis and fluorescence spectroscopy. The Zn2+ coordination to the terpyridine unit does not effect the advantageous fluorescence properties of perylene bisimide moieties. The reversibility of the formation of coordination polymers has been established by 1H NMR and additionally by DOSY NMR and fluorescence anisotropy measurements. Coordination polymer strands can be visualized by atomic force microscopy (AFM), which also reveals the formation of an ordered monolayer film at higher concentration. The average polymer length has been determined by AFM to 15 repeat units, which correlates well with the value estimated by 1H NMR to >10 repeat units.","Die Komplexierungseigenschaften von 2,2':6',2''-Terpyridin (tpy) wurden mit einer Reihe von Übergangsmetallen mittels UV-Vis, 1H-NMR und Isothermer Titrationskalorimetrie (ITC) untersucht, dabei wurde auch die Komplexierungsenthalpie bestimmt. Diese Studien zeigen, dass Zn2+ am besten zum Aufbau reversibler Terpyridin-Koordinationspolymere geeignet ist. Aus diesem Grund wurde die supramolekulare Polymerisation von Terpyridin-funktionalisierten Perylenbisimid-Fluorophoren mit Zn2+ untersucht. Die Bildung des dimeren Komplexes im Fall der monotopen Modellverbindung und des Koordinationspolymers im Fall des ditopen Liganden wurde durch NMR Titrationen bestätigt. Die optischen Eigenschaften der Komplexe wurden durch UV-Vis und Fluoreszenzspektroskopie untersucht. Die Koordination von Zn2+ an die Terpyridin-Einheit zeigt keinen Einfluß auf die vorteilhaften Fluoreszenzeigenschaften der Perylenebisimid-Einheit. Die Reversibilität der Koordinationspolymer-Bildung wurde durch NMR nachgewiesen und zusätzlich durch DOSY NMR und Fluoreszenzanisotropie-Messungen bestätigt. Die Koordinationspolymerstränge können durch Rasterkraftmiskroskopische Messungen (AFM) visualisiert werden. Bei Probenpräparation aus konzentrierter Lösung bildet sich dabei eine Monolage eines geordneten Films. Die durchschnittliche Polymerlänge wurde durch AFM auf ca. 15 Wiederholungseinheiten bestimmt. Dieser Wert stimmt gut mit dem aus NMR-Daten bestimmten Wert von >10 Einheiten überein."]},{"key":"dc:format.medium","label":"Dc Format Medium","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Synthesis and characterization of terpyridine-based fluorescent coordination polymers","Synthese und Charakterisierung von fluoreszierenden Terpyridin-Koordinationspolymeren"]}]}],"canonical_facts":{"dc:contributor":["Würthner, Frank"],"dc:creator":["Dobrawa, Rainer Anton"],"dc:description.abstract":["Complexation properties of 2,2':6',2''-terpyridine (tpy) have been studied with a series of first row transition metal ions by UV-vis, 1H NMR and isothermal titration calorimetry and ƒ´H values for the tpy complexation processes have been determined. These studies reveal that Zn2+ is the best suited metal ion for the reversible coordination of the terpyridine ligand. Thus, supramolecular coordination polymerization of perylene bisimide fluorophores containing terpyridine functionalities have been investigated by using Zn2+ as metal ion. The formation of the dimeric complexes in the case of monotopic model comounds and coordination polymerization of ditopic functional building blocks have been confirmed by 1H NMR studies. The optical properties of dimeric and polymeric complexes have been investigated by UV-vis and fluorescence spectroscopy. The Zn2+ coordination to the terpyridine unit does not effect the advantageous fluorescence properties of perylene bisimide moieties. The reversibility of the formation of coordination polymers has been established by 1H NMR and additionally by DOSY NMR and fluorescence anisotropy measurements. Coordination polymer strands can be visualized by atomic force microscopy (AFM), which also reveals the formation of an ordered monolayer film at higher concentration. The average polymer length has been determined by AFM to 15 repeat units, which correlates well with the value estimated by 1H NMR to >10 repeat units.","Die Komplexierungseigenschaften von 2,2':6',2''-Terpyridin (tpy) wurden mit einer Reihe von Übergangsmetallen mittels UV-Vis, 1H-NMR und Isothermer Titrationskalorimetrie (ITC) untersucht, dabei wurde auch die Komplexierungsenthalpie bestimmt. Diese Studien zeigen, dass Zn2+ am besten zum Aufbau reversibler Terpyridin-Koordinationspolymere geeignet ist. Aus diesem Grund wurde die supramolekulare Polymerisation von Terpyridin-funktionalisierten Perylenbisimid-Fluorophoren mit Zn2+ untersucht. Die Bildung des dimeren Komplexes im Fall der monotopen Modellverbindung und des Koordinationspolymers im Fall des ditopen Liganden wurde durch NMR Titrationen bestätigt. Die optischen Eigenschaften der Komplexe wurden durch UV-Vis und Fluoreszenzspektroskopie untersucht. Die Koordination von Zn2+ an die Terpyridin-Einheit zeigt keinen Einfluß auf die vorteilhaften Fluoreszenzeigenschaften der Perylenebisimid-Einheit. Die Reversibilität der Koordinationspolymer-Bildung wurde durch NMR nachgewiesen und zusätzlich durch DOSY NMR und Fluoreszenzanisotropie-Messungen bestätigt. Die Koordinationspolymerstränge können durch Rasterkraftmiskroskopische Messungen (AFM) visualisiert werden. Bei Probenpräparation aus konzentrierter Lösung bildet sich dabei eine Monolage eines geordneten Films. Die durchschnittliche Polymerlänge wurde durch AFM auf ca. 15 Wiederholungseinheiten bestimmt. Dieser Wert stimmt gut mit dem aus NMR-Daten bestimmten Wert von >10 Einheiten überein."],"dc:format.medium":["application/pdf"],"dc:publisher":["Universität Würzburg"],"dc:subject":["Fluoreszenz","Perylenbisimid","Koordinationspolymer","Polymer","Fluorescence","Perylene Bisimide","Coordination Polymer"],"dc:title":["Synthesis and characterization of terpyridine-based fluorescent coordination polymers","Synthese und Charakterisierung von fluoreszierenden Terpyridin-Koordinationspolymeren"],"dc:type":["doctoralThesis"],"thesis:degree_level":["thesis.doctoral"],"thesis:institution_name":["Universität Würzburg"]},"updated_at":"2026-07-24T06:11:27Z"}