Interface Science Department

Interface Science Department

Our department investigates the unique structural, electronic, vibrational and chemical properties of size- and shape-selected nanostructures and thin films and their interfaces with gas and liquid environments.

Understanding the interplay between the numerous factors determining the physico-chemical behavior of such systems is crucial for optimizing their efficiency for applications in catalysis and more specifically in energy conversion. To this end, advanced synthesis methods and in situ / operando surface/bulk-sensitive characterization techniques are being employed in our department for the fundamental understanding of catalysts “at work”.

Comparative Study of Co3O4(111), CoFe2O4(111) and Fe3O4(111)

Comparative Study of Co3O4(111), CoFe2O4(111) and Fe3O4(111)


E. M. Davis, A. Bergmann, C. Zhan, H. Kuhlenbeck, B. Roldan Cuenya, Nature Comm. 14, 4791 (2023).

Unraveling surface structures of Ga-promoted transition metal catalysts in CO2 hydrogenation

Unraveling surface structures of Ga-promoted transition metal catalysts in CO2 hydrogenation


S. W. Lee, M. Lopez-Luna, N. Berdunov, W. Wan, S. Kunze, S. Shaikhutdinov, B. Roldan Cuenya, Nature Comm. 14, 4649 (2023).

Atomic-scale Surface Restructuring of Copper Electrodes Under CO2 Electroreduction Conditions

Atomic-scale Surface Restructuring of Copper Electrodes Under CO2 Electroreduction Conditions


R. Amirbeigiarab, J. Tian, A. Herzog, C. Qiu, A. Bergmann, B. Roldan Cuenya, O.M. Magnussen, Nature Catalysis 2023
 

Nanoscale electron transfer variations at electrocatalyst-electrolyte interfaces resolved by in situ conductive atomic force microscopy
 

Nanoscale electron transfer variations at electrocatalyst-electrolyte interfaces resolved by in situ conductive atomic force microscopy  

M. Munz, J. Poon, W. Frandsen, B. Roldan Cuenya, C.S. Kley, J. Am. Chem. Soc. 145, 5242 (2023).

Size effects and active state formation of cobalt oxide nanoparticles during the oxygen evolution reaction

Size effects and active state formation of cobalt oxide nanoparticles during the oxygen evolution reaction

F. T. Haase, A. Bergmann, T. E. Jones, J. Timoshenko, A. Herzog, H. S. Jeon, C. Rettenmaeier, B. Roldan Cuenya, Nature Energy 7, 765 (2022).

Steering the structure and selectivity of electrocatalysts by potential pulses
 

Steering the structure and selectivity of electrocatalysts by potential pulses  

J. Timoshenko, A. Bergmann, C. Rettenmaier, A. Herzog, O. Magnussen, B. Roldan Cuenya et al. Nature Catal. 2, 259 (2022).

Operando high-pressure investigation of size-controlled CuZn catalysts for the methanol synthesis reaction

Operando high-pressure investigation of size-controlled CuZn catalysts for the methanol synthesis reaction

N. J. Divins, D. Kordus, J. Timoshenko, B. Roldan Cuenya et al. Nature Comm. 12, 1435 (2021).

Potential‐dependent morphology of copper catalysts during CO2 electroreduction revealed by in situ AFM
 

Potential‐dependent morphology of copper catalysts during CO2 electroreduction revealed by in situ AFM  

G. H. Simon, C. S. Kley, B. Roldan Cuenya, Angew. Chem. Int. Ed. 59, 2561 (2021).

In situ/operando electrocatalyst characterization by X-ray absorption spectroscopy
 

In situ/operando electrocatalyst characterization by X-ray absorption spectroscopy

 

 J. Timoshenko, B. Roldan Cuenya, Chem. Rev. 49, 6884 (2020).

The role of in situ generated morphological motifs and Cu(I) species in C2+ product selectivity during CO2 pulsed electroreduction

The role of in situ generated morphological motifs and Cu(I) species in C2+ product selectivity during CO2 pulsed electroreduction

R. M. Arán-Ais, F. Scholten, S. Kunze, R. Rizo, B. Roldan Cuenya, Nature Energy 5, 317 (2020).

Dynamic transformation of cubic copper catalysts during CO2 electroreduction and its impact on selectivity

Dynamic transformation of cubic copper catalysts during CO2 electroreduction and its impact on selectivity


P Grosse, A. Yoon, C. Rettenmaier, A. Herzog, S. W. Chee, B. Roldan Cuenya,  Nature Commun. 12, 6736 (2021).

Imaging electrochemically synthesized Cu2O cubes and their subsequent evolution ...

Imaging electrochemically synthesized Cu2O cubes and their subsequent evolution ...

R. M. Arán-Ais, R. Rizo, P. Grosse, G. Algara Siller, K. Démbélé, M. Plodinec, T. Lunkenbein, S. W. Chee, B. Roldan Cuenya, Nature Commun. 11, 3489 (2020).

Shape-Controlled Nanoparticles as Anodic Catalysts in Low Temperature Fuel Cells

Shape-Controlled Nanoparticles as Anodic Catalysts in Low Temperature Fuel Cells

R. Rizo, B. Roldan Cuenya
ACS Energy Lett. 4, 1484 (2019).

Dynamic Changes in the Structure, Chemical State and Catalytic Selectivity of Cu Nanocubes during CO2 Electroreduction

Dynamic Changes in the Structure, Chemical State and Catalytic Selectivity of Cu Nanocubes during CO2 Electroreduction


P. Grosse, D. Gao, F. Scholten, I. Sinev, H. Mistry, B. Roldan Cuenya, Angew. Chem. Int. Ed. 57, 6192 (2018).

Structure- and Electrolyte-Sensitivity in CO2 Electroreduction

Structure- and Electrolyte-Sensitivity in CO2 Electroreduction

R. M. Aran Ais, D. Gao, B. Roldan Cuenya, Acc. Chem. Res. 51, 2906 (2018).

Tailoring the Catalytic Properties of Metal Nanoparticles via Support Interactions

Tailoring the Catalytic Properties of Metal Nanoparticles via Support Interactions

M. Ahmadi, H. Mistry, B. Roldan Cuenya, J. Phys. Chem. Lett. 7, 3519 (2016).

ISC News

The Interface Science Department welcomes two Alexander von Humboldt Research Fellows

The Fritz Haber Institute (FHI) of the Max Planck Society congratulates Dr. Jingyi Yang and Dr. Wei Nie, who have just been awarded a Postdoctoral Researcher Fellowship from the Alexander von Humboldt Foundation. They will pursue their two-years projects at the Department of Interface Science (ISC) in the groups of Dr. Shamil Shaikhutdinov and Dr. Christopher Kley. more

Eric Samuel Memorial Scholarship Awarded to Fengli Yang

Fengli Yang, a dedicated PhD student within the Department of Interface Science at the Fritz Haber Institute of the Max Planck Society, has been selected as the recipient of the Eric Samuel Memorial Scholarship by the Microscopy Society of America (MSA). more

Anode Models for Green Hydrogen Production

Researchers from the Interface Science Department at the Fritz Haber Institute of the Max Planck Society conducted experiments using atomically defined model pre-catalysts to unveil intricate details of the electrocatalytic water splitting reaction, targeting the advancement of green H2 production. more

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