Publikationen
Ausgewählte VeröffentlichungenM. Baumung, F. Schönewald, T. Erichsen, C.A. Volkert, M. Risch (2019) Influence of particle size on the apparent electrocatalytic activity of LiMn2O4 for oxygen evolution, Sust. Energ. Fuels, doi: 10.1039/C8SE00551F.
OPEN ACCESS: https://pubs.rsc.org/en/content/articlelanding/2019/se/c8se00551f
L. Köhler, M.E. Abrishami, V. Roddatis, J. Geppert, M. Risch (2017) Mechanistic parameters of electrocatalytic water oxidation on LiMn2O4 in comparison to natural photosynthesis, ChemSusChem, doi: 10.1002/cssc.201701582.
OPEN ACCESS: http://onlinelibrary.wiley.com/doi/10.1002/cssc.201701582/full
M. Risch, K.A. Stoerzinger, B. Han, Tom Z. Regier, D. Peak, S.Y. Sayed, Y. Shao-Horn (2017) Redox Processes of Manganese Oxide in Catalyzing Oxygen Evolution and Reduction: an Operando Soft X-Ray Absorption Spectroscopy Study, J. Phys. Chem. C 121, 17682–17692.
OPEN ACCESS: http://pubs.acs.org/doi/abs/10.1021/acs.jpcc.7b05592
J. Scholz, M. Risch, K.A. Stoerzinger, G. Wartner, Y. Shao-Horn, Ch. Jooss (2016) Rotating Ring Disk Study of Oxygen Evolution at a Perovskite Surface: Correlating Activity to Manganese Concentration, J. Phys. Chem. C 120, 27746-27756.
M. Risch, F. Ringleb, M. Kohlhoff, P. Bogdanoff, P. Chernev, I. Zaharieva, H. Dau (2015) Water oxidation by amorphous cobalt-based oxides: in-situ tracking of redox transitions and mode of catalysis, Energy Environ. Sci. 8, 661-674.
Ausgewählte Übersichtsartikel
M. Risch (2017) Perovskite Electrocatalysts for the Oxygen Reduction Reaction in Alkaline Media, Catalysts 7, 154.
OPEN ACCESS: http://www.mdpi.com/2073-4344/7/5/154
W.T. Hong, M.Risch, K.A. Stoerzinger, A. Grimaud, J. Suntivich, Y. Shao-Horn (2015) Toward the rational design of transition metal oxides for oxygen electrocatalysis, Energy Environ. Sci. 8, 1404-1427.
Pre-print: https://dspace.mit.edu/handle/1721.1/109691
H. Dau, C. Limberg, T. Reier, M. Risch, S. Roggan and P. Strasser (2010) The mechanism of water oxidation: From electrolysis via homogeneous to biological catalysis, ChemCatChem 2, 724-761.
Alle Publikationen
[49] M. Baumung, F. Schönewald, T. Erichsen, C.A. Volkert, M. Risch (2019) Influence of particle size on the apparent electrocatalytic activity of LiMn2O4 for oxygen evolution, Sust. Energ. Fuels, doi: 10.1039/C8SE00551F.
OPEN ACCESS: https://pubs.rsc.org/en/content/articlelanding/2019/se/c8se00551f
[48] F. Döring, M. Risch, B. Rösner, P. Busse, K. Kubiček, L. Glaser, P.S. Miedema, J. Soltau, D. Raiser, V.A. Guzenko, L. Szabadics, L. Kochanneck, M. Baumung, J. Buck, Ch. Jooss, S. Techert, Ch. David (2019) A zone plate based two-color spectrometer for indirect X-ray absorption spectroscopy, J. Synchrotron Rad., accepted.
[47] C. Wei, R.R. Rao, J. Peng, B. Huang, I.E.L. Stephens, M. Risch, Z.J. Xu, Y. Shao-Horn (2019) Recommended Practices and Benchmark Activity for Hydrogen and Oxygen Electrocatalysis in Water Splitting and Fuel Cells, Adv. Mater., doi: 10.1002/adma.201806296.
[46] L. Köhler, L. Szabadics, Ch. Jooss, M. Risch (2019) Peroxide yield of the (001) La0.6Sr0.4MnO3 surface as a bifunctional electrocatalyst for the oxygen reduction reaction and oxygen evolution reaction in alkaline media, Batteries & Supercaps 2, 364 - 372.
OPEN ACCESS: https://onlinelibrary.wiley.com/doi/full/10.1002/batt.201800119
[45] B. Han, M. Risch, S. Belden, S. Lee, D. Bayer, E. Mutoro, Y. Shao-Horn (2018) Screening Oxide Support Materials for OER Catalysts in Acid, J. Electrochem. Soc. 165, F1-F8.
[44] D. Mierwaldt, V. Roddatis, M. Risch, J. Scholz, J. Geppert, M.E. Abrishami, Ch. Jooss (2017) Environmental TEM Investigation of Electrochemical Stability of Perovskite and Ruddlesden-Popper Type Manganite Oxygen Evolution Catalysts, Adv. Sustainable Syst. 1, 1700109.
OPEN ACCESS: https://onlinelibrary.wiley.com/doi/full/10.1002/adsu.201700109
[43] L. Köhler, M.E. Abrishami, V. Roddatis, J. Geppert, M. Risch (2017) Mechanistic parameters of electrocatalytic water oxidation on LiMn2O4 in comparison to natural photosynthesis, ChemSusChem 10, 4479-4490.
OPEN ACCESS: http://onlinelibrary.wiley.com/doi/10.1002/cssc.201701582/full
[42] J.S. Elias, K.A. Stoerzinger, W.T. Hong, M. Risch, L. Giordano, A.N. Mansour, Y. Shao-Horn (2017) In Situ Spectroscopy and Mechanistic Insights into CO Oxidation on Transition-Metal-Substituted Ceria Nanoparticles, ACS Catal. 7, 6843-6857.
[41] J. Obrina, J. Scholz, M. Risch, S. Dechert, Ch. Jooss, F. Meyer (2017) Chasing the Achilles' Heel in Hybrid Systems of Diruthenium Water Oxidation Catalysts Anchored on Indium Tin Oxide: the Stability of the Anchor, ACS Catal. 7, 6235-6244.
[40] M. Risch, K.A. Stoerzinger, B. Han, Tom Z. Regier, D. Peak, S.Y. Sayed, Y. Shao-Horn (2017) Redox Processes of Manganese Oxide in Catalyzing Oxygen Evolution and Reduction: an Operando Soft X-Ray Absorption Spectroscopy Study, J. Phys. Chem. C 121, 17682–17692.
OPEN ACCESS: http://pubs.acs.org/doi/abs/10.1021/acs.jpcc.7b05592
[39] M. Risch (2017) Perovskite Electrocatalysts for the Oxygen Reduction Reaction in Alkaline Media, Catalysts 7, 154.
OPEN ACCESS: http://www.mdpi.com/2073-4344/7/5/154
[38] J. Scholz, M. Risch, G. Wartner, C. Luderer, V. Roddatis, C. Jooss (2017) Tailoring the Oxygen Evolution Activity and Stability Using Defect Chemistry Catalysts 7, 139.
OPEN ACCESS: http://www.mdpi.com/2073-4344/7/5/139
[37] J. Park, M. Risch, G. Nam, M. Park, T.J. Shin, S. Park, M.G. Kim, Y. Shao-Horn, J. Cho (2017) Single crystalline pyrochlore nanoparticles with metallic conduction as efficient bi-functional oxygen electrocatalysts for Zn-air batteries, Energy Environ. Sci. 10, 129-136.
[36] J. Scholz, M. Risch, K.A. Stoerzinger, G. Wartner, Y. Shao-Horn, Ch. Jooss (2016) Rotating Ring Disk Study of Oxygen Evolution at a Perovskite Surface: Correlating Activity to Manganese Concentration, J. Phys. Chem. C 120, 27746-27756.
[35] M.E. Abrishami, M. Risch, J. Scholz, V. Roddatis, N. Osterthun, Ch. Jooss (2016) Oxygen evolution at manganite perovskite Ruddlesden-Popper type particles, Materials 9, 921.
OPEN ACCESS: http://www.mdpi.com/1996-1944/9/11/921
[34] R. Morasch, D. Kwabi, M. Tulodziecki, M. Risch, S. Zhang, Y. Shao-Horn (2016) Insights into Electrochemical Oxidation of NaO2 in Na-O2 Batteries via Rotating Ring Disk and Spectroscopic Measurements, ACS Appl. Mater. Interfaces 9, 4374-4381.
[33] D. Ha, B. Han, M. Risch, L. Giordano, K.P.C. Yao, P. Karayaylali, Y. Shao-Horn (2016) Activity and Stability of Cobalt Phosphides for Hydrogen Evolution Upon Water Splitting, Nano Energy 29, 37-45.
Pre-print: https://dspace.mit.edu/handle/1721.1/109591
[32] L. Giordano, B. Han, M. Risch, W.T. Hong, R.R. Rao, K.A. Stoerzinger, Y. Shao-Horn (2016) pH dependence of OER activity of oxides: current and future perspectives, Catal. Today. 262, 2-10.
[31] J.I. Jung, M. Risch, S. Park, M.G. Kim, G. Nam, H.Y. Jeong, Y. Shao-Horn, J. Cho (2016) Optimizing nanoparticle perovskite for bifunctional oxygen electrocatalysis, Energy Environ. Sci. 9, 176-183.
Pre-print: https://dspace.mit.edu/handle/1721.1/109557
[30] K.A. Stoerzinger, M. Risch, B. Han, Y. Shao-Horn (2015) Recent Insights into Manganese Oxides in Catalyzing Oxygen Reduction Reaction, ACS Catal. 5, 6021-6031.
Pre-print: https://dspace.mit.edu/handle/1721.1/109595
[29] B. Han, M. Risch, Y.L. Lee, H. Jia, Y. Shao-Horn (2015) Activity and Stability of Perovskite Oxides at Neutral pH for Oxygen Evolution Catalysis, Phys. Chem. Chem. Phys., 17, 22576-22580.
[28] M. Risch, K.A. Stoerzinger, T.Z. Regier, D. Peak, S.Y. Sayed, Y. Shao-Horn (2015) Reversibility of Ferri/-Ferrocyanide Redox During Operando Soft X-Ray Spectroscopy, J. Phys. Chem. C 119, 18903-18910.
Pre-print: https://dspace.mit.edu/handle/1721.1/109590
[27] K.P.C. Yao, M. Risch, S.Y. Sayed, Y.L. Lee, J.R. Harding, A.J.L. Grimaud, N. Pour, Z.J. Xu, J. Zhou, A.N. Mansour, F. Bardé and Y. Shao-Horn (2015) Solid-state activation of Li2O2 oxidation kinetics and implications for Li-O2 batteries, Energy Environ. Sci. 8, 2417-2426.
[26] W.T. Hong, M.Risch, K.A. Stoerzinger, A. Grimaud, J. Suntivich, Y. Shao-Horn (2015) Toward the rational design of transition metal oxides for oxygen electrocatalysis, Energy Environ. Sci. 8, 1404-1427.
Pre-print: https://dspace.mit.edu/handle/1721.1/109691
[25] B. Han, D. Qian, M. Risch, H. Chen, M. Chi, Y.S. Meng, Y. Shao-Horn (2015) The Role of LiCoO2 Surface Terminations in Oxygen Reduction and Evolution Kinetics, J. Phys. Chem. Lett. 6, 1357-1362.
[24] M. Risch, F. Ringleb, M. Kohlhoff, P. Bogdanoff, P. Chernev, I. Zaharieva, H. Dau (2015) Water oxidation by amorphous cobalt-based oxides: in-situ tracking of redox transitions and mode of catalysis, Energy Environ. Sci. 8, 661-674.
[23] J. Elias, M. Risch, L. Giordano, A.N. Mansour, Y. Shao-Horn (2014) Structure, Bonding and Catalytic activity of Monodisperse, Transition-Metal Substituted CeO2 Nanoparticles, J. Am. Chem. Soc. 136, 17193-17200.
[22] M. Risch, K.A. Stoerzinger, S. Maruyama, I. Takeuchi and Y. Shao-Horn (2014) La0.8Sr0.2MnO3-d Decorated with Ba0.5Sr0.5Co0.8Fe0.2O3-d: A Bifunctional Surface for Oxygen Electrocatalysis with Enhanced Stability and Activity, J. Am. Chem. Soc. 136, 5229-232.
[21] K. Klingan, F. Ringleb, I. Zaharieva, J. Heidkamp, P. Chernev, D. Gonzales-Flores, M. Risch, A. Fischer, H. Dau (2014) Water oxidation by amorphous cobalt-based oxides: surprising bulk-catalyst activity and proton buffer interactions, ChemCatChem 7, 1301-1310.
[20] K.P.C. Yao, Y.C. Lu, C.V. Amanchukwu, D.G. Kwabi, M. Risch, J. Zhou, A. Grimaud, P. Hammond, F. Barde, Y. Shao-Horn (2014) The influence of transition metal oxides on the kinetics of Li2O2 oxidation for Li-O2 batteries Phys. Chem. Chem. Phys. 16, 2297-2304.
[19] A. Grimaud, C.E. Carlton, M. Risch, W.T. Hong, K.J. May and Y. Shao-Horn (2013) Oxygen Evolution Activity and Stability of Ba6Mn5O16, Sr4Mn2CoO9 and Sr6Co5O15: The Influence of Transition Metals Coordination, J. Phys. Chem. C 117, 25926-25932.
[18] A. Grimaud, K.J. May, C.E. Carlton, Y.L. Lee, M. Risch, W.T. Hong, J. Zhou and Y. Shao-Horn (2013) Double Perovskites as a Family of Highly Active Catalysts For Oxygen Evolution in Alkaline Solution, Nat. Comm. 4, 2439.
Pre-print: https://dspace.mit.edu/handle/1721.1/110470
[17] M. Risch, A. Grimaud, K.J. May, K.A. Stoerzinger, T.J. Chen, A.N. Mansour, Y. Shao-Horn (2013) Structural Changes of Cobalt-based Perovskites upon Water Oxidation investigated by EXAFS, J. Phys. Chem. C 117, 8628-8635.
[16] K.A. Stoerzinger, M. Risch, J. Suntivich, W.M. Lü, J. Zhou, M. Biegalski, H. Christen, Ariando, T. Venkatesan, Y. Shao-Horn (2013) Oxygen Electrocatalysis on (001)-Oriented Manganese Perovskite Films: Mn Valency and Charge Transfer at the Nanoscale, Energy Environ. Sci. 6, 1582-1588.
[15] K.J. May, C.E. Carlton, K.A. Stoerzinger, M. Risch, J. Suntivich, Y.L. Lee, A. Grimaud, Y. Shao-Horn (2012) Influence of the Oxygen Evolution during Water Oxidation on the Surface of Perovskite Oxide Catalysts, J. Phys. Chem. Lett. 3, 3264-3270.
[14] S.W. Lee, C.E. Carlton, M. Risch, Y. Surendranath, S. Chen, S. Furutsuki, A. Yamada, D.G. Nocera, Y. Shao-Horn (2012) The Nature of Lithium Battery Materials under Oxygen Evolution Reaction Conditions, J. Am. Chem. Soc. 134, 16959-16962.
[13] I. Zaharieva, P. Chernev, M. Risch, K. Klingan, M. Kohlhoff, A. Fischer, H. Dau (2012) Electrosynthesis, functional, and structural characterization of a water-oxidizing manganese oxide, Energy Environ. Sci. 5, 7081-7089.
[12] M. Risch, D. Shevchenko, M.F. Anderlund, S. Styring, J. Heidkamp, K.M. Lange, A. Thapper, I. Zaharieva (2012) Atomic structure of cobalt-oxide nanoparticles active in light-driven catalysis of water oxidation, Int. J. Hydrogen. Energy 37, 8878-8888.
[11] M. Risch, K. Klingan, F. Ringleb, P. Chernev, I. Zaharieva, A. Fischer, and H. Dau (2012) Water oxidation by electro-deposited cobalt oxides ? role of anions and redox-inert cations for structure and function of the amorphous catalyst, ChemSusChem 5, 542-549.
[10] M. Risch, K. Klingan, J. Heidkamp, D. Ehrenberg, P. Chernev, I. Zaharieva and H. Dau (2011) Nickel oxido structure of a water-oxidizing catalyst film, Chem. Commun. 47, 11912-11914.
[09] G. Mattioli, M. Risch, M.A. Bonapasta, H. Dau, and L. Guidoni (2011) Protonation States in a Cobalt-Oxide Catalyst for Water Oxidation Investigated by a Combination of Ab Initio Molecular Dynamics Simulations and X-ray Absorption Spectroscopy, Phys. Chem. Chem. Phys. 13, 15437-15441.
[08a] F.F. Pfaff, S. Kundu, M. Risch, S. Pandian, F. Heims, I. Pryjomska-Ray, P. Haack, R. Metzinger, E. Bill, H. Dau, P. Comba and K. Ray (2011) An Oxocobalt(IV) Complex Stabilized by Lewis Acid Interactions with Scandium(III) Ions, Angew. Chem. Int. Ed. 50, 1711-1715.
[08b] F.F. Pfaff, S. Kundu, M. Risch, S. Pandian, F. Heims, I. Pryjomska-Ray, P. Haack, R. Metzinger, E. Bill, H. Dau, P. Comba and K. Ray (2011) Ein Cobalt(IV)-Oxido-Komplex: Stabilisierung durch Lewis-Säure-Wechselwirkung mit Sc3+, Angew. Chem. 123, 1749-1753.
[07] H. Dau, C. Limberg, T. Reier, M. Risch, S. Roggan and P. Strasser (2010) The mechanism of water oxidation: From electrolysis via homogeneous to biological catalysis, ChemCatChem 2, 724-761.
[06] M. Risch, F. Ringleb, V. Khare, P. Chernev, I. Zaharieva, and H. Dau (2009) Characterisation of a water-oxidizing Co-film by XAFS, J. Phys. Conf. Ser. 190, 012167.
[05] M. Risch, V. Khare, I. Zaharieva, L. Gerencser, P. Chernev, and H. Dau (2009) Cobalt-Oxo Core of a Water-Oxidizing Catalyst Film, J. Am. Chem. Soc. 131, 6936?6937.
[04] I. Zaharieva, P. Chernev, M. Risch, L. Gerencser, G. Berggren, D. Shevchenko, M. Anderlund, T.C. Weng, M. Haumann, and H. Dau (2009) Towards a comprehensive X-ray approach for studying the photosynthetic manganese complex-XANES, K(alpha)/K(beta)/k(beta) satellite emission lines, RIXS, and comparative computational approaches for selected model complexes, J. Phys. Conf. Ser. 190, 012142.
[03] M.P. Bradley, P.R. Desautels, D. Hunter, and M. Risch (2008) Silicon Electroluminescent Device Production via Plasma Ion Implantation, Phys. Status Solidi C 6, S206-S209.
[02] M. Risch and M.P. Bradley (2008) Prospects for Band Gap Engineering by Plasma Ion Implantation, Phys. Status Solidi C 6, S210-S213.
[01] M. Risch, M. Bradley (2008) Predicted depth profiles for nitrogen-ion implantation into gallium arsenide, Phys. Status Solidi C 5, 939-942.
Buchkapitel
M. Risch, K. Klingan, I. Zaharieva, H. Dau (2014) Water oxidation by amorphous cobalt oxides with molecular properties, in Molecular Water Oxidation Catalysts, Wiley, 163-185.
M. Risch, J. Suntivich, Y. Shao-Horn (2013) Oxygen Evolution Reaction, in Encyclopedia of Applied Electrochemistry: Springer Reference, Springer Verlag Berlin Heidelberg, 1475-1480.
M.Risch, K. Klingan, A. Fischer, H. Dau (2013) The Structure of a Water-oxidizing Cobalt Oxide Film and Comp