Team > Prof. Dr. rer. nat. Günter Motz

Faculty of Engineering Science
Chair of Ceramic Materials Engineering

Publications

2024

Jakob Denk, Xiaojian Liao, Wolfgang Knolle, Axel Kahnt, Andreas Greiner, Stefan Schafföner, Seema Agarwal, Günter Motz: Novel multifibrillar carbon and oxidation-stable carbon/ceramic hybrid fibers consisting of thousands of individual nanofibers with high tensile strength. In: Scientific Reports, 14 (2024). - .
doi:10.1038/s41598-024-68794-w

Jakob Denk, Xiaojian Liao, Martin Dulle, Stefan Schafföner, Stephan Förster, Andreas Greiner, Günter Motz, Seema Agarwal: Synergistic enhancement of thermomechanical properties and oxidation resistance in aligned Co-continuous carbon–ceramic hybrid fibers. In: Materials Horizons, (2024). - .
doi:10.1039/D4MH00956H

2023

Awin Eranezhuth Wasan, Timon E. Günther, Rameshwori Loukrakpam, Stefan Schafföner, Christina Roth, Günter Motz: Synthesis and characterization of precursor derived TiN@Si–Al–C–N ceramic nanocomposites for oxygen reduction reaction. In: International Journal of Applied Ceramic Technology, 20 (2023). - S. 59-69.
doi:10.1111/ijac.14234

Xiaojian Liao, Jakob Denk, Thomas Tran, Nobuyoshi Miyajima, Lothar Benker, Sabine Rosenfeldt, Stefan Schafföner, Markus Retsch, Andreas Greiner, Günter Motz, Seema Agarwal: Extremely low thermal conductivity and high electrical conductivity of sustainable carbon­ceramic electrospun nonwoven materials. In: Science Advances, 9 (2023). - .
doi:10.1126/sciadv.ade6066

2022

Alexander Horcher, Katja Tangermann-Gerk, Walter Krenkel, Stefan Schafföner, Günter Motz: Advanced ceramic coatings on aluminum by laser treatment of filled organosilazane-based composites. In: Ceramics International, 48 (2022). - S. 23284-23292.
doi:10.1016/j.ceramint.2022.04.314

Luiz F. B. Ribeiro, Ricardo S. Cunha, Agenor de Noni Jr, Ricardo A. F. Machado, Günter Motz, Sergio Y. G. González: Flexible and Porous Nonwoven SiCN Ceramic Material via Electrospinning of an Optimized Silazane Solution. In: Advanced Engineering Materials, 24 (2022). - .
doi:10.1002/adem.202100321

Mateus Lenz Leite, Ulrich Degenhardt, Walter Krenkel, Stefan Schafföner, Günter Motz: In Situ Generated Yb₂Si₂O₇ Environmental Barrier Coatings for Protection of Ceramic Components in the Next Generation of Gas Turbines. In: Advanced Materials Interfaces, 9 (2022). - .
doi:10.1002/admi.202102255

Alexander Horcher, Katja Tangermann-Gerk, Walter Krenkel, Michael Schmidt, Rajendra K. Bordia, Günter Motz: Laser pyrolyzed organosilazane‐based Al/ZrO₂ composite coating on stainless steel : Resulting microstructure and mechanical properties. In: International Journal of Applied Ceramic Technology, 19 (2022). - S. 856-865.
doi:10.1111/ijac.13917

Mateus Lenz Leite, Philipp Schlesinger, Michael Sheridan, Mohamad Zahedtalaban, Daniel Seitz, Stefan Schafföner, Günter Motz: Hybrid copper(II)acrylate/silazane thin coatings with hydrophobic and germicidal properties. In: Progress in Organic Coatings, 166 (2022). - .
doi:10.1016/j.porgcoat.2022.106791

Jan-Felix Wendel, Mateus Lenz Leite, Plinio Furtat, Katja Tangermann‐Gerk, Stefan Schafföner, Günter Motz: New Coatings Systems with Improved Mechanical Properties by Combining Polymer Derived Ceramic and Physical Vapor Deposition Coating Methods. In: Advanced Materials Interfaces, 9 (2022). - .
doi:10.1002/admi.202201654

2021

Mateus Lenz Leite, Antoine Viard, Dušan Galusek, Günter Motz: In Situ Generated β-Yb₂Si₂O₇ Containing Coatings for Steel Protection in Extreme Combustion Environments. In: Advanced Materials Interfaces, 8 (2021). - .
doi:10.1002/admi.202100384

Antoine Viard, Hannah Kurz, Abhijeet Lale, Lutz Heymann, Birgit Weber, Samuel Bernard, Michael Knauer, Günter Motz: Superparamagnetic Silicon Carbonitride Ceramic Fibers Through In Situ Generation of Iron Silicide Nanoparticles During Pyrolysis of an Iron-Modified Polysilazane. In: ACS Applied Materials & Interfaces, 13 (2021). - S. 8745-8753.
doi:10.1021/acsami.0c20885

2020

Alexander Horcher, Katja Tangermann-Gerk, Gilvan S. Barroso, Michael Schmidt, Günter Motz: Laser and furnace pyrolyzed organosilazane-based glass/ZrO₂ composite coating system : A comparison. In: Journal of the European Ceramic Society, 40 (2020). - S. 2642-2651.
doi:10.1016/j.jeurceramsoc.2019.10.040

Gilvan S. Barroso, Michael Döring, Alexander Horcher, Andreas Kienzle, Günter Motz: Polysilazane-Based Coatings with Anti-Adherent Properties for Easy Release of Plastics and Composites from Metal Molds. In: Advanced Materials Interfaces, 7 (2020). - .
doi:10.1002/admi.201901952

2018

Walter Krenkel, Gilvan S. Barroso, Günter Motz: Polymer-Derived Ceramic Coatings for Metallic Substrates. - (Vortrag), Veranstaltung: 42nd International Conference and Exposition on Advanced Ceramics and Composites (ICACC), January 21st-26th, 2018, Daytona Beach, Florida, USA.

2017

Luis Riberio, Octavio Flores, Plinio Furtat, Christel Gervais, Rhett Kempe, Ricardo A. F. Machado, Günter Motz: A novel PAN/silazane hybrid polymer for processing of carbon-based fibres with extraordinary oxidation resistance. In: Journal of Materials Chemistry A, 5 (2017). - S. 720-729.
doi:10.1039/c6ta09293d

Gilvan S. Barroso, Quan Li, Günter Motz, Rajendra K. Bordia: Polymer-derived ceramic and ceramic-like coatings : innovative solutions for real problems. In: American Ceramic Society Bulletin, 96 (2017). - S. 42-49.

Mateus Lenz-Leite, Gilvan S. Barroso, Milan Parchovianský, Dušan Galusek, Emanuel Ionescu, Walter Krenkel, Günter Motz: Synthesis and characterization of yttrium and ytterbium silicates from their oxides and an oligosilazane by the PDC route for coating applications to protect Si₃N₄ in hot gas environments. In: Journal of the European Ceramic Society, 37 (2017). - S. 5177-5191.
doi:10.1016/j.jeurceramsoc.2017.04.034

Plinio Furtat, Mateus Lenz-Leite, Emanuel Ionescu, Ricardo A. F. Machado, Günter Motz: Synthesis of fluorine-modified polysilazanes via Si-H bonds activation and their application as protective hydrophobic coatings. In: Journal of Materials Chemistry A, 5 (2017). - S. 25509-25521.
doi:10.1039/c7ta07687h

2016

Martin Seifert, Günter Motz: Synthesis and high-temperature oxidation of a polymer-derived Mo-SiN based ceramic composite. In: Journal of the European Ceramic Society, 36 (2016). - S. 3601-3606.
doi:10.1016/j.jeurceramsoc.2016.05.009

2015

Adelheid Schütz, Martin Günthner, Günter Motz, Oliver Greißl, Uwe Glatzel: High Temperature (Salt Melt) Corrosion Tests with Ceramic-Coated Steel. In: Materials Chemistry and Physics, 159 (2015). - S. 10-18.
doi:10.1016/j.matchemphys.2015.03.023

Gilvan S. Barroso, Günter Motz, Walter Krenkel: Low thermal conductivity coating system for application up to 1000 °C by simple PDC processing with active and passive fillers. In: Journal of the European Ceramic Society, 35 (2015). - S. 3339-3348.
doi:10.1016/j.jeurceramsoc.2015.02.006

Martin Seifert, Günter Motz, Zhijian Shen, Walter Krenkel: Nb(Si,C,N) composite materials densified by spark plasma sintering. In: Journal of the European Ceramic Society, 35 (2015). - S. 3319-3327.
doi:10.1016/j.jeurceramsoc.2015.02.005

Octavio Flores, Rajendra K. Bordia, Thilo Bernard, Thomas Uhlemann, Walter Krenkel, Günter Motz: Processing and characterization of large diameter ceramic SiCN monofilaments from commercial oligosilazanes. In: RSC Advances, 129 (2015). - S. 107001-107011.
doi:10.1039/C5RA17300K

Octavio Flores, Lutz Heymann, Günter Motz: Rheological behaviour of tailored polysilazane melts for the processing of SiCN ceramics: viscoelastic properties and thermal stability. In: Rheologica Acta, 54 (2015). - S. 517-528.
doi:10.1007/s00397-015-0846-y

2014

Octavio Flores, Rajendra K. Bordia, Daisy Nestler, Günter Motz, Walter Krenkel: Ceramic Fibers Based on SiC and SiCN Systems : Current Research, Development and Commercial Status. In: Advanced Engineering Materials, 16 (2014). - S. 621-636.
doi:10.1002/adem.201400069

Martin Seifert, Nahum Travitzky, Günter Motz, Walter Krenkel: Multiphase Ceramic Composites Derived by Reaction of Nb and SiCN Precursor. In: Journal of the European Ceramic Society, 34 (2014). - S. 1913-1921.
doi:10.1016/j.jeurceramsoc.2014.01.036

Muhammad Zaheer, Justus Hermannsdörfer, Rhett Kempe, Günter Motz, Winfried Kretschmer: Robust Heterogeneous Nickel Catalysts with Tailored Porosity for the Selective Hydrogenolysis of Aryl Ethers. In: ChemCatChem, 6 (2014). - S. 91-95.
doi:10.1002/cctc.201300763

Daniel Forberg, Johannes Obenauf, Martin Friedrich, Sven-Martin Hühne, Rhett Kempe, Werner Mader, Günter Motz: The synthesis of pyrroles via acceptorless dehydrogenative condensation of secondary alcohols and 1,2-amino alcohols mediated by a robust and reusable catalyst based on nanometer-sized iridium particles. In: Catalysis Science & Technology, 4 (2014). - S. 4188-4192.
doi:10.1039/C4CY01018C

2013

Christian Delpero, Günter Motz, Walter Krenkel: Characterisation of SiCN Coatings on Substrates of Hf and Nb. In: Journal of Ceramic Science and Technology, 4 (2013). - S. 105-112.
doi:10.4416/JCST2012-00041

Octavio Flores, Thomas Schmalz, Lutz Heymann, Günter Motz, Walter Krenkel: Selective Cross-linking of Oligosilazanes to Tailored Meltable Polysilazanes for the Processing of Ceramic SiCN Fibres. In: Journal of Materials Chemistry A, 1 (2013). - S. 15406-15415.
doi:10.1039/C3TA13254D

Saravana K. T. Pillai, Winfried Kretschmer, Christine Denner, Günter Motz, Markus Hund, Andreas Fery, Martin Trebbin, Rhett Kempe, Stephan Förster: SiCN : SiCN Nanofibers with a Diameter Below 100 nm Synthesized via Concerted Block Copolymer Formation, Microphase Separation, and Crosslinking. In: Small, 9 (2013). - S. 983.
doi:10.1002/smll.201370042

Saravana K. T. Pillai, Winfried Kretschmer, Christine Denner, Günter Motz, Markus Hund, Andreas Fery, Martin Trebbin, Stephan Förster, Rhett Kempe: SiCN Nanofibers with a Diameter Below 100 nm Synthesized via Concerted Block Copolymer Formation, Microphase Separation, and Crosslinking. In: Small, 9 (2013). - S. 984-989.
doi:10.1002/smll.201202121

2012

Adelheid Schütz, Martin Günthner, Günter Motz, Oliver Greißl, Uwe Glatzel: Characterisation of novel precursor-derived ceramic coatings with glass filler particles on steel substrates. In: Surface and Coatings Technology, 207 (2012). - S. 319-327.
doi:10.1016/j.surfcoat.2012.07.013

Laura Gottardo, Samuel Bernard, Christel Gervais, Kathrin Inzenhofer, Günter Motz, Markus Weinmann, Corneliu Balan, Philippe Miele: Chemistry, structure and processability of boron-modified polysilazanes as tailored precursors of ceramic fibers. In: Journal of Materials Chemistry, 22 (2012). - S. 7739-7750.
doi:10.1039/c2jm15919h

Muhammad Zaheer, Thomas Schmalz, Günter Motz, Rhett Kempe: Polymer derived non-oxide ceramics modified with late transition metals. In: Chemical Society Reviews, 41 (2012). - S. 5102-5116.
doi:10.1039/C2CS15326B

Muhammad Zaheer, Caroline D. Keenan, Justus Hermannsdörfer, Ernst Rößler, Günter Motz, Jürgen Senker, Rhett Kempe: Robust Microporous Monoliths with Integrated Catalytically Active Metal Sites Investigated by Hyperpolarized ¹²⁹Xe NMR. In: Chemistry of Materials, 24 (2012). - S. 3952-3963.
doi:10.1021/cm302379b

Ulrich Degenhardt, Frank Stegner, Christian H. Liebscher, Uwe Glatzel, Karl Berroth, Günter Motz, Walter Krenkel: Sintered Silicon Nitride/Nano-Silicon Carbide Materials Based on Preceramic Polymers and Ceramic Powder. In: Journal of the European Ceramic Society, 32 (2012). - S. 1893-1899.
doi:10.1016/j.jeurceramsoc.2011.09.007

Nico Langhof, Carolin Spatz, Martin Günthner, R. Voigt, Günter Motz, Walter Krenkel: Steigerung der Effizienz durch neuartige keramische Beschichtungen und keramische faserverstärkte Armierungen für Heißdampfrohre. In: Karl Maile (Hrsg.): 2. VDI Fachkonferenz Werkstoffe in der Kraftwerkstechnik. - Düsseldorf : VDI Wissensforum, 2012.

2011

Thomas Schmalz, Jan-Marcel Hausherr, Walter Müller, Tobias Kraus, Rhett Kempe, Günter Motz, Walter Krenkel: Analysis of Polethylene-Particle Filled SiCN Precursor and the Resulting Porous Ceramics with Emphasis on Using Micro Computed Tomography. In: Journal of the Ceramic Society of Japan, 119 (2011). - S. 477-482.
doi:10.2109/jcersj2.119.477

Thomas Schmalz, Tobias Kraus, Martin Günthner, Christian H. Liebscher, Uwe Glatzel, Rhett Kempe, Günter Motz: Catalytic formation of carbon phases in metal modified, porous polymer derived SiCN ceramics. In: Carbon, 49 (2011). - S. 3065-3072.
doi:10.1016/j.carbon.2011.03.027

R. Voigt, A. Can, Günter Motz, Walter Krenkel: Development of Ultra-High Temperature Stable Ceramics by Reactive Infiltration Processes. In: Bansal, Narottam P. (Hrsg.): Processing and properties of advanced ceramics and composites III. - Hoboken, NJ : Wiley, 2011. - S. 123-130.

Muhammad Zaheer, Günter Motz, Rhett Kempe: The generation of palladium silicide nanoalloy particles in a SiCN matrix and their catalytic applications. In: Journal of Materials Chemistry, 21 (2011). - S. 18825-18831.
doi:10.1039/c1jm13665h

Martin Günthner, Adelheid Schütz, Uwe Glatzel, Kaishi Wang, Rajendra K. Bordia, Oliver Greißl, Günter Motz, Walter Krenkel: High Performance Environmental Barrier Coatings, Part I: Passive Filler Loaded SiCN System for Steel. In: Journal of the European Ceramic Society, 31 (2011). - S. 3003-3010.
doi:10.1016/j.jeurceramsoc.2011.05.027

Kathrin Inzenhofer, Thomas Schmalz, Bernd Wrackmeyer, Günter Motz: The preparation of HfC/C ceramics via molecular design. In: Dalton Transactions, 40 (2011). - S. 4741-4745.
doi:10.1039/c0dt01817a

Nico Langhof, Carolin Spatz, Martin Günthner, R. Voigt, Günter Motz, Walter Krenkel: Steigerung der Effizienz durch hochtemperaturbeständige keramische Beschichtungen und Verbundwerkstoffe. In: Maile, Karl (Hrsg.): VDI-Fachkonferenz Werkstoffe in der Kraftwerkstechnik. - Düsseldorf : VDI Wissensforum, 2011. - S. 121-138.

2010

Günter Motz, Thomas Schmalz, Germund Glatz, Rhett Kempe, Wolfgang Milius, Bernd Wrackmeyer: Ammonolysis of 1,2‐Bis[dichloro(methyl)silyl]ethane : On the Structure of 1,3,6,8‐Tetramethyl‐2,7,11,12‐tetraaza‐1,3,6,8‐tetrasila‐tricyclo[6.2.1.1³,⁶]‐dodecane. In: Zeitschrift für anorganische und allgemeine Chemie, 636 (2010). - S. 1056-1060.
doi:10.1002/zaac.200900553

Germund Glatz, Thomas Schmalz, Tobias Kraus, Frank Haarmann, Günter Motz, Rhett Kempe: Copper-Containing SiCN Precursor Ceramics (Cu@SiCN) as Selective Hydrocarbon Oxidation Catalysts Using Air as an Oxidant. In: Chemistry : a European Journal, 16 (2010). - S. 4231-4238.
doi:10.1002/chem.200902836

Octavio Flores, D. Koch, Günter Motz, Walter Krenkel: Physicochemical Interactions between MWCNTs and the Ceramic Matrix in SiCN Fibers. In: Krenkel, Walter ; Lamon, J. (Hrsg.): High Temperature Ceramic Materials and Composites. - Berlin : AVISO Verl.-Ges., 2010. - S. 35-40.

Tobias Kraus, Martin Günthner, Daniel Decker, Günter Motz, Walter Krenkel: Polysilazane-Based Composite Coatings on Steel. In: Krenkel, Walter ; Lamon, J. (Hrsg.): High Temperature Ceramic Materials and Composites. - Berlin : AVISO Verl.-Ges., 2010. - S. 681-687.

Ulrich Degenhardt, Günter Motz, Frank Stegner, Karl Berroth, W. Harrer, R. Danzer, Walter Krenkel: Porous Si3N4/ SiCN Materials Based on Preceramic Polymers and Ceramic Powder. In: Krenkel, Walter ; Lamon, J. (Hrsg.): High Temperature Ceramic Materials and Composites. - Berlin : AVISO Verl.-Ges., 2010. - S. 675-680.

Ulrich Degenhardt, Günter Motz, Frank Stegner, Karl Berroth, W. Harrer, R. Danzer, Walter Krenkel: Si3N4/SiC Materials Based on Preceramic Polymers and Ceramic Powder. In: Bordia, Rajendra K. (Hrsg.): Advances in sintering science and technology. - Hoboken, NJ : Wiley, 2010. - S. 379-388.
doi:10.1002/9780470599730.ch36

2009

Martin Günthner, Tobias Kraus, Andreas Dierdorf, Daniel Decker, Günter Motz, Walter Krenkel: Advanced Coatings on the Basis of Si(C)N Precursors for Protection of Steel against Oxidation. In: Journal of the European Ceramic Society, 29 (2009). - S. 2061-2068.
doi:10.1016/j.jeurceramsoc.2008.11.013

Tobias Kraus, Martin Günthner, Günter Motz, Walter Krenkel: cBN Particle filled SiCN Precursor Coatings. In: Advances in Applied Ceramics, 108 (2009). - S. 476-482.
doi:10.1179/174367609X422153

R. Voigt, Günter Motz, Walter Krenkel: Entwicklung von Ultrahochtemperatur-beständigen Karbidkeramiken. In: Walter Krenkel (Hrsg.): Verbundwerkstoffe. - Weinheim : WILEY-VCH, 2009. - S. 292-297.
doi:10.1002/9783527627110.ch40

Martin Günthner, Tobias Kraus, Andreas Dierdorf, Daniel Decker, Günter Motz, Walter Krenkel: Particle-filled PHPS Silazane-based Coatings on Steel. In: International Journal of Applied Ceramic Technology, 6 (2009). - S. 373-380.
doi:10.1111/j.1744-7402.2008.02346.x

2008

Octavio Flores, Martin Günthner, Günter Motz, Walter Krenkel: BN-filled preceramic polymers as barrier coatings on steel. - (Paper), Veranstaltung: International Symposium for Research Scholars on Metallurgy, Materials Science and Engineering (ISRS-2008), 10.-12. Dezember 2008, Madras, Indien.

Sylvia Kokott, Lutz Heymann, Günter Motz: Rheology and processability of multi-walled carbon nanotubes--ABSE polycarbosilazane composites. In: Journal of the European Ceramic Society, 28 (2008). - S. 1015-1021.
doi:10.1016/j.jeurceramsoc.2007.09.035

Faculty of Engineering Science
Chair of Ceramic Materials Engineering

Prof. Dr. rer. nat. Günter Motz
Head of work group "Polymer Derived Ceramics"

95447 Bayreuth
Germany

Phone: +49 921/55 - 6509
E-mail: guenter.motz@uni-bayreuth.de