Dr. Tanja Retzer (Akad. Rat)

In situ and operando Characterization

Head

Address

Egerlandstraße 1-3 91058 Erlangen

00.113-08 (Office)

Contact

Consultation Hours

By appointment via email tanja.retzer@fau.de

Office Hours

Monday – Friday: 08:30 – 14:00

Research Interests

The expertise of Dr. Tanja Retzer (née Bauer) is the investigation of model and real catalysts by in-situ and operando spectroscopic and microscopic techniques. Depending on the physical state of the sample, IR spectroscopy in diffuse reflectance (DRIFTS), transmission (TIRS) and reflection-absorption mode (IRAS, PM-IRAS) is applied under realistic reaction conditions. Furthermore, model systems and catalysts are analyzed using in situ high resolution AFM. Dr. Tanja Retzer’s group aims at establishing structure-activity relationships that allow for a knowledge-driven design of catalysts. Until 2022, Dr. Tanja Retzer published her research under her maiden name (Tanja Bauer).

CV

Year	Station
1992	born in Bogen, Germany
2011-2015	Studies of Chemistry at the Friedrich-Alexander Universität (FAU) Erlangen-Nürnberg, Germany
2014	Scholarship of the Ilse and Dr. Alexander Mayer Foundation (“Deutschlandstipendium”)
2015	Master Thesis at the FAU Erlangen-Nürnberg in the group of Prof. Dr. Jörg Libuda
2015-2019	PhD student at the FAU Erlangen-Nürnberg in the Group of Prof. Dr. Jörg Libuda
2016-2018	Scholarship of the Association of the Chemical Industry (“Chemiefondsstipendium des Verbandes der Chemischen Industrie”)
2019	PhD at the FAU Erlangen-Nürnberg, supervisor: Prof. Dr. Jörg Libuda
Since 2019	Workgroup leader “In-Situ and Operando Characterization” at the Department Chemistry and Pharmacy, FAU Erlangen-Nürnberg (Chair of Interface Research and Catalysis, head: Prof. Dr. Jörg Libuda)
Since 2021	Member of CLINT Executive Board – Young Researcher Representative
2022	Research stay in the group of Prof. Dr. Markus Valtiner and Prof. Ulrike Diebold (Technical University Vienna, Austria)
2023-2024	Member of CLINTiRTG Management Team

Supplementary Career Information
Parental leave: 11/2023 – 03/2024 full-time; since 03/2024 part‑time.

Team

2024 – from left to right:
Dr. Tanja Retzer, Simone Reindl, Kailun Zhang, Yaoci Sheng
2024 – from left to right:
Dr. Tanja Retzer, Simon Schötz, Kailun Zhang, Simone Reindl, Huiyi Xu
2024 – from left to right:
Dr. Tanja Retzer, Simon Schötz, Dominik Blaumeiser

Publications
Until 2022, Dr. Tanja Retzer published her research under her maiden name (Tanja Bauer)

Groppe P., Zimmermann T., Madubuko N., Bürner K., Sheng Y., Wichmann C., Moritz M., Czechowsky J., Müller V., Libuda J., Wasserscheid P., Mandel K., Daeneke T., Grunwaldt JD., Papp C., Haumann M., Retzer T., Taccardi N., Wintzheimer S.:
The influence of GaPt droplet purification on the catalytic performance of supraparticles as supported catalytically active liquid metal solutions (SCALMS) in propane dehydrogenation
In: Journal of Materials Chemistry A 14 (2026), p. 4453-4467
ISSN: 2050-7488
DOI: 10.1039/d5ta08306k
Hübsch R., Schauermann D., Škvára J., Reindl S., Skála T., Tsud N., Retzer T., Mysliveček J., Brummel O., Lykhach Y., Libuda J.:
Surface oxidation of Ru(10-10) and Pt–Ru/Ru(10-10) electrocatalysts and its effect on the hydrogen evolution reaction
In: Electrochimica Acta 570 (2026), Article No.: 148959
ISSN: 0013-4686
DOI: 10.1016/j.electacta.2026.148959
Reindl S., Lustemberg PG., Bachiller-Baeza B., Capel-Sanchez MC., Schötz S., Libuda J., Lykhach Y., Ganduglia-Pirovano MV., Alvarez-Galvan C., Retzer T.:
Unraveling the Surface Chemistry in Ni/La-Ceria Catalysts for the Reverse Water-Gas Shift Reaction
In: ACS Catalysis 16 (2026), p. 11034-11047
ISSN: 2155-5435
DOI: 10.1021/acscatal.6c00338
Williams M., Zhang K., Klüh M., Libuda J., Retzer T., Wasserscheid P., Haumann M.:
Ru catalyzed continuous gas-phase hydrogenation of toluene - selectivity enhancement by ionic liquid coating and methanol co-feeding
In: Catalysis: Science and Technology (2026)
ISSN: 2044-4753
DOI: 10.1039/d5cy01167a
Zhang K., Mayer S., Antara SK., Cherian A., Xu H., Smith AS., Vogel N., Haumann M., Wick C., Retzer T.:
Disentangling an extended network of Rh complexes in supported ionic liquid phase (SILP) catalysts for hydroformylation: a combined in situ IRAS and DFT study
In: Catalysis: Science and Technology (2026)
ISSN: 2044-4753
DOI: 10.1039/d5cy01282a

Groppe P., Müller V., Will J., Zhou X., Zhang K., Moritz M., Papp C., Libuda J., Retzer T., Spiecker E., Bachmann J., Mandel K., Wintzheimer S.:
Atomic Layer Deposition on Spray-Dried Supraparticles to Rationally Design Catalysts with Ultralow Noble Metal Loadings
In: Chemistry of Materials 37 (2025), p. 2815-2826
ISSN: 1520-5002
DOI: 10.1021/acs.chemmater.4c03429
Reindl S., Škvára J., Hauner J., Simanenko A., Kastenmeier M., Ronovský M., Skála T., Tsud N., Kettner M., Mehl S., Vorochta M., Šmíd B., Retzer T., Mysliveček J., Brummel O., Johánek V., Lykhach Y., Libuda J.:
Mechanistic Study of Ethanol Decomposition on Co3O4(111) and Pd/Co3O4(111) Model Catalysts
In: ChemCatChem (2025)
ISSN: 1867-3880
DOI: 10.1002/cctc.202401587
Seitz A., Sheng Y., Backes I., Nathrath P., Weber D., Franken T., Félix R., Rillera A., Frisch J., Bär M., Retzer T., Schühle P.:
Phosphate modification of Pd/Al₂O₃ enhances activity and stability in aromatic hydrogenation under CO-contaminated hydrogen
In: EES Catalysis (2025)
ISSN: 2753-801X
DOI: 10.1039/d5ey00231a
Sheng Y., Seitz A., Gambu T., Zhang K., Schühle P., Retzer T.:
Site blocking effects on P-modified Pd/Al2O3 catalysts for LOHC hydrogenation: an in situ DRIFTS study
In: Catalysis: Science and Technology (2025)
ISSN: 2044-4753
DOI: 10.1039/d4cy01456a

Groppe P., Reichstein J., Carl S., Cuadrado Collados C., Niebuur BJ., Zhang K., Apeleo Zubiri B., Libuda J., Kraus T., Retzer T., Thommes M., Spiecker E., Wintzheimer S., Mandel K.:
Catalyst Supraparticles: Tuning the Structure of Spray-Dried Pt/SiO2 Supraparticles via Salt-Based Colloidal Manipulation to Control their Catalytic Performance
In: Small (2024)
ISSN: 1613-6829
DOI: 10.1002/smll.202310813

Eschenbacher R., Trzeciak S., Schuschke C., Schötz S., Hohner C., Blaumeiser D., Zahn D., Retzer T., Libuda J.:
Thermal Stability and CO Permeability of [C4C1Pyr][NTf2]/Pd(111) Model SCILLs: from UHV to Ambient Pressure
In: Topics in Catalysis (2023)
ISSN: 1022-5528
DOI: 10.1007/s11244-023-01798-4
Kratzer E., Schötz S., Maisel S., Blaumeiser D., Khan Antara S., Ewald L., Dotzel D., Haumann M., Görling A., Korth W., Jess A., Retzer T.:
Wilkinson-type catalysts in ionic liquids for hydrogenation of small alkenes: understanding and improving catalyst stability
In: Catalysis: Science and Technology 13 (2023), p. 2053-2069
ISSN: 2044-4753
DOI: 10.1039/d2cy02058k
Zhang K., Reichstein J., Groppe P., Schötz S., Stockinger N., Libuda J., Mandel K., Wintzheimer S., Retzer T.:
Molecular and Structural Insights into H2 Indicator Supraparticles: Lowering the Limit of Detection by Tuning Incorporated Catalyst Nanoparticles
In: Chemistry of Materials (2023)
ISSN: 0897-4756
DOI: 10.1021/acs.chemmater.3c01105
Zhang K., Schötz S., Reichstein J., Groppe P., Stockinger N., Wintzheimer S., Mandel K., Libuda J., Retzer T.:
Supraparticles for naked‑eye H2 indication and monitoring: improving performance by variation of the catalyst nanoparticles
In: Journal of Chemical Physics 158 (2023), Article No.: 134722
ISSN: 0021-9606
DOI: 10.1063/5.0135130

Bezkrovnyi O., Bruix A., Blaumeiser D., Piliai L., Schötz S., Bauer T., Khalakhan I., Skala T., Matvija P., Kraszkiewicz P., Pawlyta M., Vorokhta M., Matolinova I., Libuda J., Neyman KM., Ke Pinski L.:
Metal-Support Interaction and Charge Distribution in Ceria-Supported Au Particles Exposed to CO
In: Chemistry of Materials (2022)
ISSN: 0897-4756
DOI: 10.1021/acs.chemmater.2c01659
Reichstein J., Schötz S., Macht M., Maisel S., Stockinger N., Cuadrado Collados C., Schubert K., Blaumeiser D., Wintzheimer S., Görling A., Thommes M., Zahn D., Libuda J., Bauer T., Mandel K.:
Supraparticles for Bare-Eye H2 Indication and Monitoring: Design, Working Principle, and Molecular Mobility
In: Advanced Functional Materials 32 (2022), Article No.: 2112379
ISSN: 1616-301X
DOI: 10.1002/adfm.202112379
URL: https://onlinelibrary.wiley.com/doi/10.1002/adfm.202112379
Wolf P., Wick C., Mehler J., Blaumeiser D., Schötz S., Bauer T., Libuda J., Smith DM., Smith AS., Haumann M.:
Improving the Performance of Supported Ionic Liquid Phase Catalysts for the Ultra-Low-Temperature Water Gas Shift Reaction Using Organic Salt Additives
In: ACS Catalysis 12 (2022), p. 5661-5672
ISSN: 2155-5435
DOI: 10.1021/acscatal.1c05979

Blaumeiser D., Schuschke C., Fromm L., Taccardi N., Schötz S., Eschenbacher R., Bühlmeyer H., Xu T., Bauer T., Wasserscheid P., Görling A., Libuda J.:
CO Permeability and Wetting Behavior of Ionic Liquids on Pt(111): An IRAS and PM-IRAS Study from Ultrahigh Vacuum to Ambient Pressure
In: Journal of Physical Chemistry C (2021)
ISSN: 1932-7447
DOI: 10.1021/acs.jpcc.1c04043
Chen X., Gierlich CH., Schötz S., Blaumeiser D., Bauer T., Libuda J., Palkovits R.:
Hydrogen Production Based on Liquid Organic Hydrogen Carriers through Sulfur Doped Platinum Catalysts Supported on TiO2
In: ACS Sustainable Chemistry & Engineering (2021)
ISSN: 2168-0485
DOI: 10.1021/acssuschemeng.0c09048
Eschenbacher R., Schuschke C., Bühlmeyer H., Taccardi N., Wasserscheid P., Bauer T., Xu T., Libuda J.:
Interaction between Ionic Liquids and a Pt(111) Surface Probed by Coadsorbed CO as a Test Molecule
In: Journal of Physical Chemistry Letters (2021), p. 10079-10085
ISSN: 1948-7185
DOI: 10.1021/acs.jpclett.1c02983
Kosider A., Blaumeiser D., Schötz S., Preuster P., Bösmann A., Wasserscheid P., Libuda J., Bauer T.:
Enhancing the feasibility of Pd/C-catalyzed formic acid decomposition for hydrogen generation - catalyst pretreatment, deactivation, and regeneration
In: Catalysis: Science and Technology (2021)
ISSN: 2044-4753
DOI: 10.1039/d1cy00300c
Schuschke C., Fromm L., Träg J., Stumm C., Hohner C., Eschenbacher R., Grau S., Zahn D., Görling A., Bauer T., Libuda J.:
A Molecular View of the Ionic Liquid Catalyst Interface of SCILLs: Coverage-Dependent Adsorption Motifs of [C4C1Pyr][NTf2] on Pd Single Crystals and Nanoparticles
In: Journal of Physical Chemistry C (2021)
ISSN: 1932-7447
DOI: 10.1021/acs.jpcc.1c02131

Bezkrovnyi OS., Blaumeiser D., Vorokhta M., Kraszkiewicz P., Pawlyta M., Bauer T., Libuda J., Kepinski L.:
NAP-XPS and in Situ DRIFTS of the Interaction of CO with Au Nanoparticles Supported by Ce1- xEuxO2 Nanocubes
In: Journal of Physical Chemistry C 124 (2020), p. 5647-5656
ISSN: 1932-7447
DOI: 10.1021/acs.jpcc.9b10142
Blaumeiser D., Stepic R., Wolf P., Wick C., Haumann M., Wasserscheid P., Smith DM., Smith AS., Bauer T., Libuda J.:
Cu carbonyls enhance the performance of Ru-based SILP water-gas shift catalysts: a combined in situ DRIFTS and DFT study
In: Catalysis: Science and Technology 10 (2020), p. 252-262
ISSN: 2044-4753
DOI: 10.1039/c9cy01852b
Schuster R., Wähler T., Kettner M., Agel F., Bauer T., Wasserscheid P., Libuda J.:
Model Studies on the Ozone-Mediated Synthesis of Cobalt Oxide Nanoparticles from Dicobalt Octacarbonyl in Ionic Liquids
In: ChemistryOpen (2020)
ISSN: 2191-1363
DOI: 10.1002/open.202000187

Auer F., Blaumeiser D., Bauer T., Bösmann A., Szesni N., Libuda J., Wasserscheid P.:
Boosting the activity of hydrogen release from liquid organic hydrogen carrier systems by sulfur-additives to Pt on alumina catalysts
In: Catalysis: Science and Technology 9 (2019), p. 3537-3547
ISSN: 2044-4753
DOI: 10.1039/c9cy00817a
Bauer T., Agel F., Blaumeiser D., Maisel S., Görling A., Wasserscheid P., Libuda J.:
Low-Temperature Synthesis of Oxides in Ionic Liquids: Ozone-Mediated Formation of Co3O4 Nanoparticles Monitored by In Situ Infrared Spectroscopy
In: Advanced Materials Interfaces (2019), Article No.: 1900890
ISSN: 2196-7350
DOI: 10.1002/admi.201900890
Bauer T., Maisel S., Blaumeiser D., Vecchietti J., Taccardi N., Wasserscheid P., Bonivardi A., Görling A., Libuda J.:
Operando DRIFTS and DFT Study of Propane Dehydrogenation over Solid- and Liquid-Supported GaxPty Catalysts
In: ACS Catalysis 9 (2019), p. 2842-2853
ISSN: 2155-5435
DOI: 10.1021/acscatal.8b04578
Raman N., Maisel S., Grabau M., Taccardi N., Debuschewitz J., Wolf M., Wittkämper H., Bauer T., Wu M., Haumann M., Papp C., Görling A., Spiecker E., Libuda J., Steinrück HP., Wasserscheid P.:
Highly Effective Propane Dehydrogenation Using Ga-Rh Supported Catalytically Active Liquid Metal Solutions
In: ACS Catalysis (2019), p. 9499-9507
ISSN: 2155-5435
DOI: 10.1021/acscatal.9b02459
Wolf P., Aubermann M., Wolf M., Bauer T., Blaumeiser D., Stepic R., Wick C., Smith DM., Smith AS., Wasserscheid P., Libuda J., Haumann M.:
Improving the performance of supported ionic liquid phase (SILP) catalysts for the ultra-low-temperature water-gas shift reaction using metal salt additives
In: Green Chemistry 21 (2019), p. 5008-5018
ISSN: 1463-9262
DOI: 10.1039/c9gc02153a

Bauer T., Stepic R., Wolf P., Kollhoff F., Karawacka W., Wick C., Haumann M., Wasserscheid P., Smith DM., Smith AS., Libuda J.:
Dynamic equilibria in supported ionic liquid phase (SILP) catalysis: in situ IR spectroscopy identifies [Ru(CO)xCly]n species in water gas shift catalysis
In: Catalysis: Science and Technology 8 (2018), p. 344-357
ISSN: 2044-4753
DOI: 10.1039/C7CY02199B

Bauer T., Hager V., Williams M., Laurin M., Döpper T., Görling A., Szesni N., Wasserscheid P., Haumann M., Libuda J.:
Palladium-Mediated Ethylation of the Imidazolium Cation Monitored In Operando on a Solid Catalyst with Ionic Liquid Layer
In: ChemCatChem 9 (2017), p. 109-113
ISSN: 1867-3899
DOI: 10.1002/cctc.201601222
Bauer T., Voggenreiter M., Xu T., Wähler T., Agel F., Pohako-Esko K., Schulz P., Döpper T., Görling A., Polarz S., Wasserscheid P., Libuda J.:
ZnO Nanoparticle Formation from the Molecular Precursor [MeZnOtBu](4) by Ozone Treatment in Ionic Liquids: in-situ Vibrational Spectroscopy in an Ultrahigh Vacuum Environment
In: Zeitschrift für Anorganische und Allgemeine Chemie 643 (2017), p. 31-40
ISSN: 0044-2313
DOI: 10.1002/zaac.201600345
Bauer T., Voggenreiter M., Xu T., Wähler T., Agel F., Pohako-Esko K., Schulz P., Döpper T., Görling A., Polarz S., Wasserscheid P., Libuda J.:
ZnO Nanoparticle Formation from the Molecular Precursor [MeZnOtBu]4 by Ozone Treatment in Ionic Liquids: in-situ Vibrational Spectroscopy in an Ultrahigh Vacuum Environment
In: Zeitschrift für Anorganische und Allgemeine Chemie 643 (2017), p. 31-40
ISSN: 0044-2313
DOI: 10.1002/zaac.201600345
Xu T., Wähler T., Vecchietti J., Bonivardi A., Bauer T., Schwegler J., Schulz P., Wasserscheid P., Libuda J.:
Gluing Ionic Liquids to Oxide Surfaces: Chemical Anchoring of Functionalized Ionic Liquids by Vapor Deposition onto Cobalt(II) Oxide
In: Angewandte Chemie International Edition 56 (2017), p. 9072-9076
ISSN: 1433-7851
DOI: 10.1002/anie.201704107
Xu T., Wähler T., Vecchietti J., Bonivardi A., Bauer T., Schwegler J., Schulz P., Wasserscheid P., Libuda J.:
Interaction of Ester-Functionalized Ionic Liquids with Atomically-Defined Cobalt Oxides Surfaces: Adsorption, Reaction and Thermal Stability
In: ChemPhysChem 18 (2017), p. 3443-3453
ISSN: 1439-4235
DOI: 10.1002/cphc.201700843
Xu T., Wähler T., Vecchietti PDMJ., Bauer T., Schwegler J., Schulz P., Wasserscheid P., Libuda J.:
Gluing ionic liquids to oxide surfaces: Chemical anchoring of functionalized ionic liquids by vapor deposition onto cobalt(II) oxide // Gluing Ionic Liquids to Oxide Surfaces: Chemical Anchoring of Functionalized Ionic Liquids by Vapor Deposition onto Cobalt(II) Oxide
In: Angewandte Chemie 129 (2017), p. 9200-9204
ISSN: 0044-8249
DOI: 10.1002/ange.201704107

Bauer T., Mehl S., Brummel O., Pohako-Esko K., Wasserscheid P., Libuda J.:
Ligand Effects at Ionic Liquid-Modified Interfaces: Coadsorption of [C(2)C(1)lm][OTf] and CO on Pd(111)
In: Journal of Physical Chemistry C 120 (2016), p. 4453-4465
ISSN: 1932-7447
DOI: 10.1021/acs.jpcc.6b00351
Brummel O., Faisal F., Bauer T., Pohako-Esko K., Wasserscheid P., Libuda J.:
Ionic Liquid-Modified Electrocatalysts: The Interaction of [C1C2Im][OTf] with Pt(1 1 1) and its Influence on Methanol Oxidation Studied by Electrochemical IR Spectroscopy
In: Electrochimica Acta 188 (2016), p. 825-836
ISSN: 0013-4686
DOI: 10.1016/j.electacta.2015.12.006
Mehl S., Bauer T., Brummel O., Pohako-Esko K., Schulz P., Wasserscheid P., Libuda J.:
Ionic-Liquid-Modified Hybrid Materials Prepared by Physical Vapor Codeposition: Cobalt and Cobalt Oxide Nanoparticles in [C(1)C(2)Im][OTf] Monitored by In Situ IR Spectroscopy
In: Langmuir 32 (2016), p. 8613-8622
ISSN: 0743-7463
DOI: 10.1021/acs.langmuir.6b02303

Mehl S., Toghan A., Bauer T., Brummel O., Taccardi N., Wasserscheid P., Libuda J.:
Pd nanoparticle formation in ionic liquid thin films monitored by in situ vibrational spectroscopy
In: Langmuir 31 (2015), p. 12126-12139
ISSN: 0743-7463
DOI: 10.1021/acs.langmuir.5b03386

Dr. Tanja Retzer – In-Situ and Operando Characterization

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Publications Until 2022, Dr. Tanja Retzer published her research under her maiden name (Tanja Bauer)

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Publications
Until 2022, Dr. Tanja Retzer published her research under her maiden name (Tanja Bauer)