Browsing Fakultät für Chemie (inkl. GAUSS) by Advisor & Referee "Schneider, Sven Prof. Dr."
Now showing items 21-40 of 44
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Binary Planet–Satellite Nanostructure Using RAFT Polymer
(2020-08-06)This thesis provides a series of strategies to fabricate hierarchically arranged nanohybrids from distinct nanoparticles using polymer linkers. Benefit from the controlled reversible-deactivation radical polymerization ... -
Mechanistic Investigations of Metal-Metal Cooperativity in Dinickel Complexes and Iron/Cobalt Prussian Blue Analogues
(2020-06-12)This dissertation focuses on two polymetallic systems exhibiting two different phenomena of Metal-Metal Cooperativity in the form of intramolecular C-H(sp2) activation and Charge-Transfer-Induced Spin Transition (CTIST). ... -
Designing New Heterometallic [2 x 2] Grids using Pyrazolate-bridged Ligands
(2020-02-18)This dissertation focusses on designing new heterometallic [2 x 2] grids based on pyrazolate-bridged ligands exhibiting interesting magnetic and redox properties. To date, numerous homometallic metallogrids have been ... -
Rhenium and Osmium PNP Pincer Complexes for Nitrogen Fixation and Nitride Transfer
(2019-12-19)Activation, splitting and fixation of dinitrogen remains one of the most challenging reactions in coordination chemistry. In this thesis, osmium and rhenium complexes based on a PNP pincer ligand are synthesized and ... -
Dinuclear Copper and Nickel Complexes of New Multidentate N-heterocyclic Carbene Ligands: Structures, Dynamics and Reactivity
(2019-12-18)The present Ph.D. thesis is divided in two parts and describes N-heterocyclic carbene complexes of copper and nickel, their structures, dynamics in solution and reaction patterns. Part I deals thematically with copper(I) ... -
Synthesis of Terminal Transition Metal Pnictide Complexes by Activation of Small Molecules
(2019-08-13)Coordination compounds involving metal-nitrogen bonds are a well-developed class of organometallic chemistry. In contrast, the chemistry of the heavier analogues of nitrogen, e.g. phosphorus and arsenic is far less explored. ... -
Transient and Stable Terminal Imido Complexes of Iridium
(2019-07-02)In conclusion, it has been demonstrated that the proton coupled oxidation of metal-bound amines and water provide access to a wide range of imido- and oxo-complexes, respectively. The synthetic approach of using strict 1 ... -
Synthesis and Characterization of Polydentate C3 Symmetric Ligand Systems in Metal Coordination
(2019-06-03)Tripodal ligand systems are of key interest in the synthesis of new and promising metal complexes since their tridentate coordination sphere can be used to generate a multitude of different bonding motifs with a suitable ... -
Proton-Coupled Electron Transfer at Nickel Pincer Complexes
(2019-05-24)The influence of metal coordination on carbon-centered proton-coupled electron transfer processes is an attractive field of research. Reported literature is limited to thermodynamic investigations and substrate oxidation ... -
Cooperative (De-)Hydrogenation of Small Molecules
(2019-01-25)Ammonia borane dehydrocoupling to mainly linear polyaminoborane is reported at room temperature using a bifunctional iron catalyst. Mechanistic studies suggest that both hydrogen release and B−N coupling are metal-catalyzed ... -
Bioinspired dinuclear copper complexes for catalytic oxidation of phenolic substrates
(2018-10-23)Inspired by tyrisonase, a dicopper enzyme catalyzing the aerobic oxidation of phenols, highly preorganized bioinspired dinuclear copper complexes with imidazole ligation were synthesized and their reaction with phenolic ... -
Atomic layer deposition of metal and metal chalcogenide thin films and nanolaminate composites.
(2018-04-09)The construction of a novel “hot and cold wall, cross laminar flow multiple substrate atomic layer deposition reactor” is presented including a LabView based control program and an user-optimized graphical user interface. ... -
A Dinuclear Dihydride Complex for Bimetallic Reductive Activation and Transformation of a Range of Inert Substrates
(2018-03-19)In this thesis, a dinickel(II) dihydride complex was used for small molecules activation, such as H2, O2, N2, S8, CO and so on. Here, we present the results of these works and analysis these results by various spectroscopies. -
Bimetallic Copper Complexes for Bioinspired Dioxygen Activation and Catalytic Water Oxidation
(2018-01-26)In this thesis a pyrazolate based dicopper(I) complex featuring a constrained substrate binding pocket was reacted with dioxygen to form a dicopper(II) peroxo complex which shows the peroxide anion in an unusual cis-µ-η1:η1 ... -
Design, Synthesis and Applications of new cationic ligands of the 15th main group elements
(2017-12-08)The dissertation focuses on the development of new cationic phosphines and their applications in transition metal catalyses. In pi-acid catalysis they proved their superiority in comparison with state of the art ligand ... -
Electronic Structure and Reactivity of Bioinspired Organometallic Iron Complexes Relevant to Small Molecule Activation
(2017-06-15)This PhD thesis focuses on the development and characterization of new organometallic iron complexes as models for abundant enzymatic systems. The use of a macrocyclic tetracarbene ligand system results in novel features ... -
Preorganized Bimetallic Nickel Complexes of Pyrazolate-Bridged Ligands for Cooperative Substrate Transformation
(2017-05-10)This thesis focuses on square-planar, pyrazolate-bridged dinuclear platforms to investigate their reactivity towards small molecules. In the scope of this work two ligands were prepared: a pyrrole-pyrazole based (H3Lpyr) ... -
Two-in-one Pincer Type Ligands and Their Metal Complexes for Catalysis
(2017-02-14)The synthesis, characterization and first applications in catalysis of dinuclear metal complexes of the new Two-in-one pincer ligand scaffold are described in this work. Zinc(II) compexes were used to compare structural ... -
New Derivatives and Iron Complexes of the Siamese-Twin Porphyrin
(2017-02-14)Variation of the substitution pattern of the Siamese-twin porphyrin (STP), an expanded porphyrin incorporating two pyrazole moieties, identified a set of substituents that result in an optimized preparation of highly ... -
N2 Splitting and Functionalization in the Coordination Sphere of Rhenium
(2017-01-12)The first example of homogeneous N2 splitting mediated by rhenium as group 7 transition metal is reported and represents rare complete scission of the N-N bond in well-defined terminal nitrido complexes. These could be ...