Alumni

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2020

Serena Alfarano
Group:
Prof. Martina Havenith-Newen, Physical Chemistry II, Ruhr-Universität Bochum

Title of Thesis: THz spectroscopy of aqueous solutions: conditions beyond the ambient
(Ruhr-Universität Bochum)

Publications

Alfarano, S. R.; Vondracek, H.; Sebastiani, F.; Novelli, F.; Hoberg, C.; Kolling, I.; Brubach; Jean-Blaise; Roy, P.; Schwaab, G.; Havenith, M., Does hydrated glycine act as solidification nucleus at multi-kilobar conditions? Biophys. Chem. 2019, 253, https://doi.org/10.1002/celc.201900722.

Vondracek, H.; Alfarano, S.; Hoberg, C.; Kolling, I.; Novelli, F.; Sebastiani, F.; Brubach, J.-B.; Roy, P.; Schwaab, G.; Havenith, M., Urea's match in the hydrogen-bond network? A high pressure THz study. Biophys. Chem. 2019, 254, 106240, https://doi.org/10.1016/j.bpc.2019.106240.

Hrishikesh Joshi
Group:
Prof. Ferdi Schüth, Department of Heterogeneous Catalysis, Max-Planck-Institut für Kohlenforschung

Title of Thesis: Rattle-tape materials with spatially distinct functionalities for the cascaded valorization of glucose
(Ruhr-Universität Bochum)

Publications

Joshi, H.; Ochoa-Hernández, C.; Nürenberg, E.; Kang, L.; Wang, F. R.; Weidenthaler, C.; Schmidt, W.; Schüth, F., Insights into the mechanochemical synthesis of Sn-β: Solid-state metal incorporation in beta zeolite. Micropor. Mesopor. Mat. 2020, 309, https://doi.org/10.1016/j.micromeso.2020.110566.

Joshi, H.; Schmidt, W.; Schüth, F., Encapsulation of sub-micrometer sized zeolites by porous silica – towards a rational design strategy for functional yolk-shells. Microp. Mesopor. Mat., 2019, 282, 1–8, https://doi.org/10.1016/j.micromeso.2019.03.013.

Losch, P.; Joshi, H.; Stegmann, N.; Vozniuk, O.; Schmidt, W., Studying proton mobility in zeolites by varying temperature infrared spectroscopy, Molecules 2019, 24, 3199, https://doi.org/10.3390/molecules24173199.

Joshi, H.; Jalalpoor, D.; Ochoa-Hernández, C.; Schmidt, W.; Schüth, F., Ozone treatment: A versatile tool for postsynthesis modification of porous silica-based materials. Chem. Mater. 2018, 30, 8905-8914, https://doi.org/10.1021/acs.chemmater.8b04113.

Losch, P.; Joshi, H.; Vozniuk, O.; Grünert, A.; Ochoa-Hernández, C.; Jabraoui, H.; Badawi, M.; Schmidt, W., Proton mobility, intrinsic acid strength, and acid site location in zeolites revealed by varying temperature infrared spectroscopy and density functional theory studies. J. Am. Chem. Soc. 2018, 140, 17790-1799, https://doi.org/10.1021/jacs.8b11588.

Pichler, C. M.; Al-Shaal, M. G.; Gu, D.; Joshi, H.; Ciptonugroho, W.; Schüth, F., Ruthenium supported on high-surface-area zirconia as an efficient catalyst for the base-free oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid. ChemSusChem 2018, 11, 2083-2090, https://doi.org/10.1016/j.jcat.2018.07.021.

Pichler, C. M.; Gu, D.; Joshi, H.; Schüth, F., Influence of preparation method and doping of zirconium oxide onto the material characteristics and catalytic activity for the HDO reaction in nickel on zirconium oxide catalysts. J. Catal. 2018, 365, 367-375, https://doi.org/10.1016/j.jcat.2018.07.021.

Praveen Narangoda
Group:
Prof. Robert Schloegl, Department of Heterogeneous Reactions, Max-Planck-Institut für Chemische Energiekonversion

Title of Thesis: Influence of Electrode Structure and Measurement Parameters on the Electrocatalytic Alkaline Oxygen Evolution
(Ruhr-Universität Bochum)
 

 

Mingquan Yu
Group:
Prof. Ferdi Schüth, Priv.-Doz. Dr. Harun Tüysüz, Department of Heterogeneous Catalysis, Max-Planck-Institut für Kohlenforschung

Title of Thesis: Nanostructured Transition Metal Oxides for Electrochemical Oxygen Evolution Reaction
(Ruhr-Universität Bochum)

Publications

Yu, M.; Weidenthaler, C.; Wang, Y.; Budiyanto, E.; Sahin, E. O.; Chen, M.; DeBeer, S.; Rüdiger, O.; Tüysüz, H., Surface boron modulation on cobalt oxide nanocrystals for electrochemical oxygen evolution reaction. Angew. Chem., Int. Ed. 2022, 61, e202211543, https://doi.org/10.1002/anie.202211543. German Edition: Angew. Chem. 2022, 134, e202211543, https://doi.org/10.1002/ange.202211543.

Yu, M.; Li, G.; Fu, C.; Liu, E.; Manna, K.; Budiyanto, E.; Yang, Q.; Felser, C.; Tüysüz, H., Tunable eg orbital occupancy in Heusler compounds for oxygen evolution reaction. Angew. Chem., Int. Ed. 2021, 60, 5800-5805, https://doi.org/10.1002/anie.202013610. German Edition: Angew. Chem. 2021, 133, 5864-5869, https://doi.org/10.1002/ange.202013610

Priamushko, T.; Guillet-Nicolas, R.; Yu, M.; Doyle, M.; Weidenthaler, C.; Tüysüz, H.; Kleitz, F., Nanocast mixed Ni-Co-Mn oxides with controlled surface and pore structure for electrochemical oxygen evolution reaction. ACS Appl. Energ. Mater 2020, 3, 5597-5609, https://doi.org/10.1021/acsaem.0c00544.

Yu, M.; Moon, G.-h.; Castillo, R. G.; DeBeer, S.; Weidenthaler, C.; Tüysüz, H., Dual role of silver moieties coupled with ordered mesoporous cobalt oxide towards electrocatalytic oxygen evolution reaction. Angew. Chem., Int. Ed. 2020, 59, 16544-16552, https://doi.org/10.1002/anie.202003801. German Edition: Angew. Chem. 2020, 132, 16687-16695, https://doi.org/10.1002/ange.202003801.

Lorenz, J.; Yu, M.; Tüysüz, H.; Harms, C.; Dyck, A.; Wittstock, G. Coulometric titration of active sites at mesostructured cobalt oxide spinel by surface interrogation mode of scanning electrochemical microscopy, J. Phys. Chem.

2020, in press, doi.org/10.1021/acs.jpcc.9b11114.

Preiner, M.; Igarashi, K.; Muchowska, K. B.; Yu, M.; Varma, S. J.; Kleinermanns, K.; Nobu, M. K.; Kamagata, Y.; Tüysüz, H.; Moran, J.; Martin, W. F., A hydrogen-dependent geochemical analogue of primordial carbon and energy metabolism. Nat. Ecol. Evol. 2020, 4, 534-542, https://doi.org/10.1038/s41559-020-1125-6.

Yu, M.; Waag, F.; Chan, C. K.; Weidenthaler, C.; Barcikowski, S.; Tüysüz, H., Laser fragmentation induced defect-rich cobalt oxide nanoparticles for electrochemical oxygen evolution reaction. ChemSusChem, 2020, 13, 520-528, https://doi.org/10.1002/cssc.201903186.

Li, G.; Xu, Q.; Shi, W.; Fu, C.; Jiao, L.; Kamminga, M. E.; Yu, M.; Tüysüz, H.; Kumar, N.; Süß, V.; Saha, R.; Srivastava, A. K.; Wirth, S.; Auffermann, G.; Gooth, J.; Parkin, S.; Sun, Y.; Liu, E.; Felser, C., Surface states in bulk single crystal of topological semimetal Co3Sn2S2 toward water oxidation. Science Advances 2019, 5, eaaw9867, 10.1126/sciadv.aaw9867.

Behnken, J.; Yu, M.; Deng, X.; Tüysüz, H.; Harms, C.; Dyck, A.; Wittstock, G., Oxygen reduction reaction activity of mesostructured cobalt-based metal oxides studied with the Cavity-Microelectrode Technique. ChemElectroChem 2019, 6, 3460-3467, https://doi.org/10.1002/celc.201900722.

Moon, G.-h.; Yu, M.; Chan, C. K.; Tüysüz, H., Highly active cobalt-based electrocatalysts with facile incorporation of dopants for oxygen evolution reaction. Angew. Chem., Int. Ed. 2019, 58, 3491-3495, https://doi.org/10.1002/anie.201813052. German Edition: Angew. Chem. 2020, 131, 3529-3533, https://doi.org/10.1002/ange.201813052

Spanos, I.; Tesch, M. F.; Yu, M.; Tüysüz, H.; Zhang, J.; Feng, X.; Müllen, K.; Schlögl, R.; Mechler, A. K., A facile protocol for alkaline electrolyte purification and its influence on a Ni-Co oxide catalyst for the oxygen evolution reaction, ACS Catal. 2019, 9, 8165-8170, https://doi.org/10.1021/jacs.9b05353.

Yu, M.; Moon, G.-h.; Bill, E.; Tüysüz, H., Optimizing Ni-Fe oxide electrocatalysts for oxygen evolution reaction by using hard templating as a toolbox. ACS Appl. Energ. Mater. 2019, 2, 1199-1209, https://doi.org/10.1021/acsaem.8b01769.

Yu, M.; Belthle, K. S.; Tüysüz, C.; Tüysüz, H., Selective acid leaching: a simple way to engineer cobalt oxide nanostructures for the electrochemical oxygen evolution reaction, J. Mater. Chem. A, 2019, 7, 23130-23139, https://doi.org/10.1039/C9TA07835E.

Yu, M.; Chan, C. K.; Tüysüz, H., Coffee-waste templating of metal ion-substituted cobalt oxides for the oxygen evolution reaction. ChemSusChem 2018, 11, 605-611, https://doi.org/10.1002/cssc.201701877.

News

Innovative Catalysis Solutions for Global Energy Challenges

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The Award was presented by the International Conference for Dispersion Analysis & Materials Testing 2024

 

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In March 2024, Michel Deitermann successfully defended his PhD thesis at the Ruhr-University Bochum under the supervision of Prof. Martin Muhler.

The…

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