Abschlussarbeiten und Forschungspraktika

• “Electrocatalytic reduction of CO₂ to formic acid in acidic conditions”
  Electrode preparation, performance testing in a CO2 electrolyzer, analytics and critical thinking to create optimal catalyst/electrode systems. Betreut durch - Shahin Rafiee 
• „Electrolysis under Confinement: CO2 Reduction with Molecular Catalysts Immobilized on OMCs” (Betreut durch - Seda Yilmaz, engl.)
• Study of electrochemical CO₂ reduction with ordered mesoporous carbon (OMC) and tethered catalysts, Focus on confinement effects within OMC pores, Use of aprotic electrolyte system to enhance efficiency and selectivity.
• „Electrocatalytic Reduction of Nitrogen to Ammonia” (Betreut durch - Janina Dowideit)
  Usage of diamond-based materials and organic and aqueous electrolytes for the electrochemical reduction of ammonia.
• "Electrocatalytic Reduction of CO2 to Ethylene Using Copper-Based Catalysts” (Betreut durch - Dr. Thomas Lange)
  Synthesis and characterization of electrochemically active catalysts for CO2 reduction (eCO2RR) to ethylene, synthesis of Cu-based catalysts (with and without promoters), characterization and testing of catalysts in eCO2RR to ethylene.
• "Electrocatalytic Reduction of CO2 to Methanol Using Copper Chalcogenides” (Betreut durch - Dr. Thomas Lange)
  Synthesis and characterization of copper chalcogenides (e.g. CuS, CuSe, Cu2Se) for electrochemical CO2 reduction to methanol, with and without promoters (e.g. V, Bi), characterized (e.g. XRD, FT-IR), and tested in eCO2RR to methanol.

• „Plasma-Catalytic Synthesis of Ammonia Using a DBD-Plasma“ (Betreut durch - Michael Minas)
  Material investigation, catalyst development, process design and analytics to investigate the synthesis of ammonia in a non-thermal DBD (dielectric barrier discharge)-plasma.
• „Kinetic Studies on the Dry Reforming of Methane on Catalyst Coatings“ (Betreut durch - Enes Caliskan, EU Projekt ēQATOR
  Development of scalable, electrically-heated catalytic reactors, reaching higher efficient conversion of biogas to syngas than state-of-the-art processes.
• „Hydrodeoxygenation of Lignin Model Compounds – Catalytic Testing in a Flow Reactor“ (Betreut durch - Mustafa Turan)
  Performance of catalytic reactions using a custom-built               reactor, adding improvements on the reacotr and setup. Testing, synthesizing and analyzing (XRD, XAS, SEM, …) of MoO3 and  Nb2O5-catalysts.

• „Hydrogen Spillover on Reducible Metal Oxides - Testing Hydro-deoxygenation using Nb₂O₅ “(Betreut durch - Mustafa Turan) Synthesis and characterization of Nb2O5 samples, loading with noble metals (Pd/Pt/Ru), reactivity tested in autoclave reactions, use of spectroscopy methods (XRD, XAS, SEM, NMR, in-situ FT-IR), high degree of independence and flexibility in research direction. For Master Students only. 

• „Probing Confinement Enhanced Precatalyst Association in Pd-Catalyzed Enyne Cyclo-isomerizations by Advanced NMR Spectroscopy“ (Betreut durch - Erik Wimmer)
  Synthesis of immobilized Binol-PA and heterogenous Pd-H catalysts for enyne cycloisomierzation reaction. Both Bachelor and Master Students, cooperation with Organic Chemistry possible.

• „The Hydrogenation of CO2“ (Betreut durch - Dr. Wael Barakat, engl.)
  Here, various topics are offered:
  • Synthesis of model active sites of CO2 hydrogenation catalysts
  • Olefin hydrogenation reactions with molecular catalysts (Ir) supported on porous materials (SBA-15, COFs, MOFs)
  • Understanding adsorbed CO2 in porous materials
  • Gas-phase CO2 hydrogenation with Cu-H’s
• „Synthesis of high-surface Ni-particles on Commercial AlOx-supports“ (Betreut durch - Apl. Prof. Dr. Yvonne Traa)
  Nickel catalysts with a large nickel surface area and high thermal stability will be fabricated on commercial alumina supports, the CO2 methanation reaction will be catalyzed, this reaction is considered a key process for storing excess electricity from renewable energy sources.

• „Immobilisierte Kupferkatalysatoren auf Phenanthrolin-Basis für ATRA-Reaktionen“
  Betreut durch – Jun.-Prof. Dr. Deven 
• „Immobilisierte Kupferkatalysatoren auf TPMA-Basis für ATRA-Reaktionen“
  Betreut durch – Jun.-Prof. Dr. Deven Estes 

• Synthese und Modifizierung von 10-Ring-Porigen Zeolithen
  Betreut durch - Dr. Michael Dyballa
• Untersuchung von Katalysatoren mittels Festkörper-(MAS)-NMR
  Betreut durch - Dr. Michael Dyballa
• "Systematic Investigation of Structure-Property Relationships of  Ceria-based Materials as Catalysts for CO-Oxidation”
  Betreut durch - Prof. Dr.-Ing. Elias Klemm 
• „Synthese von mesoporösem Aluminiumoxid“
  Betreut durch – Yvonne Traa

Wenn nicht anders angegeben, sind alle Themen sowohl in Deutsch, als auch in Englisch bearbeitbar. - Unless otherwise specified, each topics can be handled both in German and in English.