Prof. Dr. rer. nat. Michael Bredol

Examiner Chemistry

Department of Chemical Engineering

Stegerwaldstraße 39, 48565 Steinfurt, Room: B 110 a

Tel: +49 2551 9-62225
Fax: +49 2551 9-62711


Research interests: colloid chemistry, electrochemistry

Field of teaching and research:
Physical Chemistry, Materials Science

If you have a B.Sc. degree in Chemical Engineering please contact the examiner for any questions.

Photo of Prof. Dr. rer. nat. Michael Bredol

Publikationen: Bredol, Michael

2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010


Gözdem Dittel, Irem Ecem Çiçek, Michael Bredol, Thomas Gries Carbon Rovings as Strain Sensor in TRC Structures: Effect of Roving Cross-Sectional Shape and Coating Material on the Electrical Response under Bending Stress
Daniel Dinga, Michael Bredol, Ulrich Kynast Design and Mechanism of Rare-Earth Singlet Oxygen Sensing: An Experimental and Quantum Chemical Approach


Dominik Voigt, Michael Bredol Semiconductors
Michael Bredol, Dominik Voigt, Giulia Primavera, Holger Uphoff, Jan Rethmeier, Lukas Schepp Ternary Chacogenide-Based Quantum Dots and Carbon Nanotubes: Establishing a Toolbox for Controlled Formation od Nanocomposites


Michael Bredol, Dominik Voigt, Atoosa Gonabadi A general strategy for CuInS2 based quantum dots with adjustable surface chemistry
Michael Bredol, Ulrich Kynast, Daniel K. DInga Novel Approach toward Water-Soluble Singlet Oxygen Monitors Based on Hybrid Inorganic−Organic Nanoclay
Ewa Kasprzycka, Israel Assunção, Michael Bredol, Marina Lezhnina, Ulrich Kynast Preparation, characterization and optical properties of rare earth complexes with derivatives of N-phenylanthranilic acid


Michael Bredol Electrical and dielectric properties
Israel P. Israel P. Assuncao, Michael Bredol, Ewa Kasprzycka, Ulrich Kynast, Marina Lezhnina Near-UV-excitable, green-emitting Tb3+-based complexes
Aleksandra Szydło, Jan-David Goossen, Cristina Linte, Holger Uphoff, Michael Bredol Preparation of platinum-based electrocatalytic layers from catalyst dispersions with adjusted colloidal stability via a pulsed electrophoretic deposition method
Dominik Voigt, Larry Kwesi Sarpong, Michael Bredol Tuning the Optical Band Gap of Semiconductor Nanocomposites - A Case Study with ZnS/Carbon


Lara Lockowandt, José Pinela, Custódio Lobo Roriz, Carla Pereira, Rui M.V. Abreu, Ricardo C. Calhelha, Maria José Alves, Lillian Barros, Michael Bredol, Isabel C.F.R. Ferreira Chemical features and bioactivities of cornflower (Centaurea cyanus L.) capitula: The blue flowers and the unexplored non-edible part
Jan-David Goossen, Amina Alizade, Michael Bredol Electrophoretic deposition of carbon/ZnS composite electrode layers
Michael Bredol, Larry Kwesi Sarpong, Jan-David Goossen How to Combine Nanoparticles to Useful Nanocomposites: Aggregation and Electrophoresis
Jan-David Goossen, Michael Bredol Investigation of the catalytic effects of electrophoretically deposited ZnO/ZnS/carbon nanocomposites


Michael Bredol, Volker Peinecke, Ivan Radev, Aleksandra Szydło "Cathodic Catalytic Layer Microstructure and Proton Exchange Membrane Fuel Cell Performance", oral contribution, World Hydrogen Energy Congerence 2018, Rio de Janeiro (Brazil), 17.-22.6. 2018,
L. K. Sarpong, M. Bredol, M. Schönhoff "One-pot synthesis of composites from carbon nanotubes and quantum dots through heteroaggregation", oral contribution L.1.2, EMRS spring meeting 2018, Strasbourg (France), 18.-22.6.2018,
Joaquin Tirano, Hugo Ricardo, Zea Ramírez, Michael Bredol "Synthesis and Electrochemical Properties of Ni-Doped TiO2 Nanotubes for Enhancing Visible Light Absorption, AIChE spring meeting 2018, Orlando (FL, USA),
J. D. Goossen, M. Bredol "The influence of highly charged cations on the electrophoretic deposition of nanomaterials", oral contribution T.4.3, EMRS spring meeting 2018, Strasbourg (France), 18.-22.6.2018,
M. Bredol, A. Szydło, I. Radev, W. Philippi, V. Peinecke, A. Heinzel How the colloid chemistry of precursor electrocatalyst dispersions is related to the polymer electrolyte membrane fuel cell performance
K. Matras-Postołek, K. Chojnacka-Gorka, M. Bredol, K. Guguła Luminescent ZnSe:Mn/ZnS@PMMA nanocomposites with improved refractive index and transparency
L. K. Sarpong, M. Bredol, M. Schönhoff, A. Wegrzynowicz, K. Jenewein, H. Uphoff One-pot synthesis of carbon nanotube/zinc sulfide heterostructures: Characterization and effect of electrostatic interaction on the optical properties
M. Ivanov, K. Shabanova, M. Bredol, U. Kynast, M. Lezhnina, R. Tomala, H. Kou, J. Li Size-depednent phase transformation and luminescence of Eu3+:Y2O3 nano particles, 5th International Conference on Rare Earth Materials, Wroclaw (Poland), 16-18 May, 2018, ISBN 978-83-940861-3-8


M. Ivanov, E. Kalinina, M. Bredol, U. Kynast "Electrophoretic Deposition of Nanoparticles to Sinter Highly Transparent Yttria Ceramics", eingeladener Vortrag auf der 13th Laser Ceramics Symposium, Fryazino (Russland), 4.-8-Dezember 2017,
M. Oćwieja, J. Maciejewska-Prończuk, M. Morga, Z. Adamczyk, S. Sovinska, A. Żaba, M. Gajewska, T. Król, K. Cupiał, M. Bredol Formation and stability of manganese-doped ZnS quantum dot monolayers determined by QCM-D and streaming potential measurements
L. K. Sarpong, M. Bredol, M. Schönhoff Heteroaggregation of multiwalled carbon nanotubes and ZnS nanoparticles
A. Szydło, M. Bredol, S. Fricke, I. Radev, V. Peinecke Microstructure modification of carbon-based composites for fuell cell electrodes, Poster P1.176 auf der 5th International Conference on Multifunctional, Hybrid and Nanomaterials, 5.-10.März 2017, Lissabon (Portugal),
K. Guguła, M. Entrup, L. Stegemann, S. Seidel, R. Pöttgen, C. A. Strassert, M. Bredol Solid solution quantum dots with tunable dual- or ultra-broadband emission for LEDs


L. K. Sarpong, Michael Bredol "Composites from Carbon and Semiconductors", oral contribution C.8.2, symposium C, EMRS fall meeting, Warsaw (Poland), 19.-22.september (2016),
Michael Bredol, Valerie Niemann, Jan-David Goossen "Electrocatalytic activity of sulfides", Vortrag V01.03 zum Hauptthema auf der Jahrestagung der Deutschen Bunsengesellschaft für Physikalische Chemie 2016, Rostock
J. Zimdars, J. Pilger, M. Entrup, D. Deiting, A. Schäfer, M. Bredol "Synthesis and characterization of highly emissive shell-alloyed Mn-doped ZnSeS nanoparticles using a modified selenium precursor", oral contribution J.II.3, symposium J, EMRS spring meeting, Lille (France), 3.-6.may (2016),
J. Zimdars, J. Pilger, M. Entrup, D. Deiting, A. H. Schäfer, M. Bredol A facile synthesis of alloyed Mn-doped ZnSeS nanoparticles using a modified selenium / sulfur precursor in a one-pot approach
L. K. Sarpong, A. Szydlo, M. Bredol Carbon modification for composite preparation, Poster 64 auf der "7th NRW Nano-Conference" (7./8.12. 2016), Münster,
M. Bredol, M. Kaczmarek Electrocatalysis with Sulfide Nanoparticles, Poster 65 auf der "7th NRW Nano-Conference" (7./8.12. 2016), Münster,
Krzysztof Guguła, Linda Stegemann, Piotr Cywinski, Cristian Strassert, Michael Bredol Facile surface engineering of CuInS2/ZnS quantum dots for LED down-converters
Julia Zimdars, Michael Bredol On the influence of coordinating solvents on the reduction of selenium for the phosphine-free synthesis of metal selenide nanoparticles
J. Zimdars, K. Gugula, M. Bredol Phosphine-free synthesis and modifications of highly luminescent ternary Quantum Dots for the fabrication of nanocomposites, Poster 63 auf der "7th NRW Nano-Conference" (7./8.12. 2016), Münster,
K. Gugula, A. Szydlo, L. Stegemann, C. Strassert, M. Bredol Photobleaching-resistant ternary quantum dots embedded in a polymer-coated silica matrix
Michael Bredol, Michal Kaczmarek Sulfides and selenides as electrocatalysts in direct ethanol fuel cells, Poster P.04 auf der Fuel Cells 2016: Science and Technology, 13-14- April 2016, Glasgow (Scotland),


Julia Zimdars, Michael Bredol "On the influence of coordinating solvents on the reduction of selenium for the phosphine-free synthesis of metal selenide nanoparticles", Poster P1-14, 4th Nano Today Conference (6.-10.dec 2015),, Dubai
Thilo Harth, Michael Bredol Making "Physical Chemistry" a more interactive and cooperative experience
K. Gugula, F. S. De Vicente, M. Bredol Sol-gel derived CuInS2/ZnS-silica hybrid materials for color converters; Vortrag OB1.11.03 auf der 4th International Conference on Multifunctional, Hybrid and Nanomaterials in Sitges/Spanien 9.-13.März 2015,
Nina Danchova, Gulay Ahmed, Michael Bredol, Stoyan Gutzov Surface Functionalization of Silica Sol-Gel Microparticles with Europium Complexes
Julia Zimdars, Michael Bredol Synthesis of Mn-doped ZnSe/ZnS core/shell nanostructures for fabrication of nanocomposites on technical scale; Poster P1.158 auf der 4th International Conference on Multifunctional, Hybrid and Nanomaterials in Sitges/Spanien 9.-13.März 2015,


Michael Bredol, Michal Kaczmarek, Hans-Dieter Wiemhöfer Electrocatalytic activity of ZnS nanoparticles in direct ethanol fuel cells
Michael Bredol, Michal Kaczmarek Electrocatalytic activity of ZnS nanoparticles in direct ethanol fuel cells, International Symposium on Clean Energy from Ethanol (ISCEE 2014, Rzeszów, Polen)
J. Micior, B. Lalik, M. Bredol Electrophoretic deposition from nanodispersions for high density ceramic green bodies, Poster P1-14, Bunsentagung, Hamburg, 29.-31.may (2014),
Michael Bredol, Joanna Micior, Stephan Klemme Electrophoretic deposition of alumina, yttria, yttrium aluminium garnet and lutetium aluminium garnet
Naveen Kumar, Michael Allampally, Cristian Bredol, A. Strassert, Luisa De Highly Phosphorescent Supramolecular Hydrogels Based on Platinum Emitters
G. Collins, M. Blömker, M. Osiak, J. D. Holmes, M. Bredol, C. O´Dwyer Immobilization of Palladium Nanoparticles on Three-Dimensionally Ordered Hierarchically Porous Tin Dioxide Inverse Opals for Catalytic Applications, oral contribution F.VII.6, EMRS spring meeting, Lille (France), 26.-30.may (2014),
Thomas Lohmeier, Michael Bredol, Eduard Schreiner, Horst Hintze-Bruening Ordered liquids and hydrogels from alkenyl succinic ester terminated bola-amphiphiles for large-scale applications
N. Danchova, S. Gutzov, K. Matras-Postolek, M. Bredol, N. Lesev, S. Kaloyanova, T. Deligeorgiev Preparation and optical properties of silica sol-gel microparticles functionalized with [Eu(ntac)3][pphendcn] and [Eu(phen)2](NO3)3 complexes
K. Matras-Postolek, K. Gorka, M. Bredol, D. Bogdal Synthesis and characterization of novel ZnS and ZnSe hybrid polymer nanocmposites for optoelectronic applications, oral contribution F.XII.8, EMRS spring meeting, Lille (France), 26.-30.may (2014),
K. Gugula, P. J. Cywinski, T. Jüstel, M. Bredol Synthesis and doping of CuInS2 quantum dots for optical and medical applications", oral contribution F.XI.6, EMRS spring meeting, Lille (France), 26.-30.may (2014),
K. Gugula, M. Bredol Transparent CuInS2/PMMA Nanocomposites Luminescent in the Visible and NIR Region


Martin Michálek, Michael Bredol Incorporation of functionalized multiwall carbon nanotubes into a polyurethane matrix
M. Bredol, K. Matras-Postolek, K. Chojnacka, K. Gugula Interface Chemistry of ZnSe, ZnS and CuInS2 nanocomposites with polymers, International Conference on Multifunctional, Hybrid and Nanomaterials, Sorrento (Italy), 3.-7.mar.
Michael Bredol, Joanna Micior Preparation and characterization of nanodispersions of yttria, yttrium aluminium garnet and lutetium aluminium garnet
G. Collins, Martin Bloemker, M. Osiak, J. Holmes, M. Bredol, C. O´Dwyer Three-Dimensionally Ordered Hierarchically Porous Tin Dioxide Inverse Opals and Immobilization of Palladium Nanoparticles for Catalytic Applications


J. Micior, T. Felbeck, B. Herden, M. Bredol Colloid chemistry and electrophoretic deposition, Bunsentagung 2012, Leipzig 18.-19.5.12
Joanna Micior, Michael Bredol Electrophoretic Deposition of Rare-Earth-Containing Colloids, 1st Rare Earth Elements and Compounds Conference Münster, 5.-6.9.12 (REEC)
M. Michálek, M. Bredol Treatment and incorporation of MWCNTs into aqueous polyurethane dispersions and coatings, Bunsentagung 2012, Leipzig 18.-19.5.12
J. Zeglinski, M. Nolan, A. Schatte, M. Bredol, S. A. M. Unravelling the specific site preference in doping of calcium hydroxyapatite with strontium from ab initio investigations and Rietveld analyses


M. Kaczmarek, M. Bredol Direct ethanol fuel cells with Zn(S,Se) as electrocatalysts, Bunsentagung, Berlin 2.-4.6.2011
M. Kaczmarek, M. Bredol Electrocatalytic activity of undoped and Mn-doped Zn(S,Se)-carbon nanocomposites
Joanna Micior, Tom Felbeck, Benjamin Herden, Michael Bredol Influence of electrophoretic deposition process on the microstructure of nano-ceramic materials, Vortrag, EMRS fall meeting 9/2011 (Symposium A), Warschau, Polen,19.-23.9.


M. Bredol, H. Schulze Dieckhoff Materials for Powder-Based AC-Electroluminescence
M. Bredol, M. Kaczmarek Potential of Nano-ZnS as Electrocatalyst
A. Klausch, H. Althues, C. Schrage, P. Simon, A. Szatkowski, M. Bredol, D. Adam, S. Kaskel Preparation of luminescent ZnS:Cu nanoparticles for the functionalization of transparent acrylate polymers
J. Zeglinski, A. Schatte, M. Nolan, M. Bredol, S. A. M. Strontium Substitution in Hydroxyapatite - Synthesis, Characterization and Crystal Structure Study, Materials Ireland 3rd Annual Conference, Dublin (Ireland), 13.12.2010-14.12.2010

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