Bild: R. Riedel

Prof. Dr. Dr. h. c. Ralf Riedel


work +49 6151 16-21624
fax +49 6151 16-21623

Work L1|08 407
Otto-Berndt-Straße 3
64287 Darmstadt

Prof. Riedel is teaching at bachelor and master level. Courses include Introduction to General Chemistry, Structural Materials, Materials Engineering, Materials Chemistry, Synthesis and Properties of Ceramics I + II.

Numerous Master and Bechelor students have been supervised in the past and are currently supervised.

He presently hosts 2 Alexander von Humboldt Research Fellows. Several of his former PhD students and postdocs have attained national and international Professor positions at TU Freiberg (Germany), TU Berlin (Germany), University of Texas at Austin (USA), Tianjin University (China), Nagoya Institute of Technology (Japan).

  • Wen, Q.; Yu, Z.; Xu, Y.; Lu, Y.; Fasel, C.; Morita, K.; Guillon, O.; Buntkowsky, G.; Ionescu, E.; Riedel, R.; SiC/HfyTa1-yCxN1-x/C ceramic nanocomposites with HfyTa1-yCxN1-x-carbon core-shell nanostructure and the influence of the carbon-shell thickness on electrical properties, J. Mater. Chem. C, 6(4) (2018) 855-864.
  • Vrankovic, D.; Graczyk-Zajac, M.; Kalcher, C.; Rohrer, J.; Becker, M.; Stabler, C.; Trykowski, G.; Albe, K.; Riedel, R.; Highly Porous Silicon Embedded in a Ceramic Matrix: A Stable High-Capacity Electrode for Li-Ion Batteries, ACS Nano, 11(11) (2017) 11409-11416.
  • Kaspar, J.; Bazarjani, M. S.; Schitco, C.; Gurlo, A.; Graczyk-Zajac, M.; Riedel, R.; Electrochemical study of NiO nanosheets: toward the understanding of capacity fading, J. Mater. Sc., 52 (2017) 6498-6505.
  • Bhat, S.; Wiehl, L.; Molina-Luna, L.; Mugnaioli, E.; Lauterbach, S.; Sicolo, S.; Kroll, P.; Dürrschnabel, M.; Nishiyama, N.; Kolb, U.; Albe, K.; Kleebe, H.-J.; Riedel, R.; High-Pressure Synthesis of Novel Boron Oxynitride B6N4O3 with Sphalerite Type Structure, Chem. Mater. 27 (2015) 5907–5914.
  • Li, W.; Gurlo, A.; Riedel, R.; Ionescu, E.; Perovskite-type Solid Solution SrMo1–xWx(O,N)3 Oxynitrides: Synthesis, Structure, and Magnetic Properties, ZAAC, 641 (2015) 1533-1539.
  • Niwa, K.; Dzivenko, D.; Suzuki, K.; Riedel, R.; Troyan, I.; Eremets, M.; Hasegawa, M.; High Pressure Synthesis of Marcasite-Type Rhodium Pernitride, Inorg. Chem., 53 (2014) 697–699.
  • Bekheet, M.F.; Schwarz, M.R.; Lauterbach, S.; Kleebe, H.-J.; Kroll, P.; Riedel, R.; Gurlo, A.; Orthorhombic In2O3: a metastable polymorph of indium sesquioxide, Angew. Chem. (International Ed. in English), 52(25) (2013) 6531-6535.
  • Li, W.; Ionescu, E.; Riedel, R.; Gurlo, A.; Can we predict the formability of perovskite oxynitrides from tolerance and octahedral factors?, J. Mater. Chem. A (2013) 12239–12245.
  • Sen, S.; Widgeon, S.J.; Navrotsky, A.; Mera, G.; Tavakoli, A.; Ionescu, E.; Riedel, R.; Carbon substitution for oxygen in silicates in planetary interiors, PNAS, 110(40) (2013) 15904-15907.
  • Colombo, P.; Mera, G.; Riedel, R.; Soraru, G.D.; Polymer-Derived Ceramics: 40 Years of Research and Innovation in Advanced Ceramics, J. Am. Ceram. Soc. 93 (2010) 1805-1837.

Research Monographs

  • Riedel, R. & Chen, I-W. (Eds.), Ceramic Science & Technology, Volumes 1 – 4, Wiley-VCH-Verlag, Weinheim, 2008-2012.


a) Disclosed Patents

  • Vrankovic, D.; Storch, M.; Schitco, C.; Graczyk-Zajac, M.; Riedel, R.; Verfahren zum Herstellen poröser Keramiken und eines porösen Keramikprodukts, TU Darmstadt, AZ DE 10 2016 116 732.0 (08.03.2018).
  • Klausmann, A.; Riedel, R.; Messzelle, TU Darmstadt, AZ DE 10 2015 120 298.0 (24.05.2017).
  • Fergen, I.; Kolbe, W.; Kraft, M.; Harenburg, J.; Zschuppe, M.; Ionescu, E.; Riedel, R.; Beschichtungszusammensetzung für abriebbeständige und antiadhäsive Oberflächenbeschichtungen, FEW Chemicals GmbH, Heidelberger Druckmaschinen AG, TU Darmstadt, AZ DE 10 2012 004 278.7 (04.10.2012).

b) Granted Patents

  • Fergen, I.; Kolbe, W.; Kraft, M.; Harenburg, J.; Zschuppe, M.; Ionescu, E.; Riedel, R.; Wear-resisting and anti-adhesion coating compound of surface coating, FEW Chemicals GmbH, Heidelberger Druckmaschinen AG, TU Darmstadt, CN102732152B (02.12.2015).
  • Amritphale, S.S.; Chandra, N.; Kroke, E.; Riedel, R.; Verfahren zur Herstellung von siliciumhaltigen Vorläufern, den Vorläufer selbst und Verfahren zur Herstellung von Keramikmaterialien, Council of Scientific & Industrial Research, New Delhi, India, AZ DE 199 52 337.1 (06.09.2007).
  • 12/1992 Habilitation in Inorganic Chemistry, University of Stuttgart, Stuttgart, Germany
  • 02/1984 – 06/1986 Ph.D. in Inorganic Chemistry, University of Stuttgart, Stuttgart, Germany
  • 01/1984 Diploma in Chemistry, University of Stuttgart, Germany
  • 01/1993-present Full Professor, Institute of Materials Science, Technische Universität Darmstadt, Germany
  • 04/2016-present Adjunct Professor, Northwestern Polytechnical University, Xi´an, P.R. China
  • 2016-2021 Professor, Frontier Research Institute for Materials Science, Nagoya Institute of Technology (NIT), Nagoya, Japan
  • 01/1990-12/1992 Post doc, Institute of Inorganic Chemistry, University of Stuttgart
  • 07/1986-12/1989 Post doc, Max Planck-Institute for Metals Research, Stuttgart
  • 04/2010-03/2018 Dean, Department of Materials and Geosciences, Technische Universität Darmstadt, Germany
  • Prof. Riedel headed and was member of numerous faculty-searching commissions at TU Darmstadt and was long-term Faculty member of the Materials and Geosciences Department at TU Darmstadt.

1983 Doctoral Fellowship, Max Planck Society, Germany
1999 Dionyz-Stur-Gold Medal for Merits in Natural Science, Slovak Academy of Science, Bratislava, Slovak Republic
Fellow of “The American Ceramic Society” (USA)
2004 Elected Member of the “World Academy of Ceramics”
2005 Guest Professor at the Jiangsu University, Zhenjiang, China
2006 Honorary Doctor (Dr. h. c.), Slovak Academy of Sciences, Bratislava, Slovak Republic
2009 Honorary Professor (Prof. h. c.), Tianjin University, Tianjin, P.R. China
2012 Tammann-Gedenkmünze, Deutsche Gesellschaft für Materialkunde (DGM), Berlin, Germany
2013 Fellow of the European Ceramic Society
2014 Fellow of the School of Engineering, University of Tokyo, Tokyo, Japan
2014 – 2017 Guest Professor at Xiamen University, China
2018 Elected Member, Nomination Committee, World Academy of Ceramics
  • Member of the Fraunhofer Gesellschaft (FhG), Munic, Germany
  • Gesellschaft Deutscher Chemiker (GDCh), Frankfurt, Germany
  • Deutsche Gesellschaft für Materialkunde (DGM), Berlin, Germany
  • American Ceramic Society, USA
  • Materials Research Society, USA
  • Deutsche Keramische Gesellschaft (DKG), Germany
1996 – 2001 European Regional Editor of Applied Organometallic Chemistry
1999 – 2016 Member of the Advisory Board of the German Society of Materials Science (DGM)
since 2001 Member of the Advisory Board of the „Fraunhofer-Institut für Grenzflächen- und Bioverfahrenstechnik (IGB), Stuttgart
since 2001 Member of the International Editorial Board of „Ceramics International“
since 2002 Associate Editor of the „Journal of the American Ceramic Society“
since 2003 Member of the „International Advisory Board of the Integrated Centre for Advanced Materials and Molecular Science" of the Institute of Inorganic Chemistry of the Slovak Academy of Sciences
2005 – 2007 Member of the Editorial Board of the “Journal of the Ceramic Society of Japan”
2005 – 2011 Coordinator of the DFG-Priority Program (SPP 1181) “Nanoscaled Inorganic Materials by Molecular Design” (NANOMAT); Budget: 7.5 Mio. €
2005 – 2011 Member of the DFG-Senate Committee on Research Training Groups
2006 – 2010 Elected Member of the Nomination Committee of the World Academy of Ceramics
2007 Member of the Editorial Board of the “Journal of the Chinese Ceramic Society”
2007 – 2016 Scientific Advisor of the German-Israeli-Foundation for Scientific Research and Development (GIF)
2011 – 2015 Coordinator of the EU-ITN (Initial Training Network) “FUNEA” (Functional Nitrides for Energy Applications); Budget: 3.5 Mio €
2014 – 2018 Elected Member of the Advisory Board of the World Academy of Ceramics
2016 – 2021 Editor-in-Chief of the Journal “Ceramics International”
since 2016 Member of the Editorial Board of the Journal of Ceramic Science and Technology
April 2018 – March 2023 Editor in Chief, Journal of the American Ceramic Society