Prof. Dr. Michael Bredol

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Publications

Journals     Patents     Conference contributions

The publications listed here were prepared during employment at the FH Münster University of Applied Sciences, in the PHILIPS Research Labs Aachen or a the WWU Münster University. The underlying work was partly carried out at external partners.

Journals, book chapters, invited talks

• S. Sovinska, P. Dąbczyński, M.M. Marzec, J. Rysz, K. Sokołowski, A. Bernasik, B. Szreniawa, M. Bredol, B. González-Diaz, K. Matras-Postołek, "Ligand-controlled self-organization of 1D ZnSe nanocrystals in a model bulk heterojunction solar cell system", Appl.Surf.Sci. 724, 165613 (2026), doi: 10.1016/j.apsusc.2025.165613

• M. Bredol, I. Radev, G. Primavera, T. Lange, A. Caidi, V. Peinecke, "Electrophoretic deposition of carbon-ionomer layers on proton conducting membranes", ChemPhysChem 26, e202400767 (2025), doi: 10.1002/cphc.202400767

• G. Dittel, I. E. Çiçek, M. Bredol, T. 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", Sensors 23, 4601 (2023), doi: 10.3390/s23104601

• D.K. Dinga, M. Bredol, U. Kynast, "Design and Mechanism of Rare-Earth Singlet Oxygen Sensing: An Experimental and Quantum Chemical Approach", J. Phys. Chem. A 127, 1130-1140 (2023), doi: 10.1021/acs.jpca.2c06339

• M. Bredol, D. Voigt, "Semiconductors", Kap.9.1 in: Applied Inorganic Chemistry, vol.III, 1-22, eds.: R. Pöttgen, T. Jüstel and C. Strassert, DeGruyter, doi: 10.1515/9783110733471-001  (2022)

• D. Voigt, G. Primavera, H. Uphoff, J.A. Rethmeier, L. Schepp, M. Bredol, "Ternary Chalcogenide-Based Quantum Dots and Carbon Nanotubes: Establishing a Toolbox for Controlled Formation of Nanocomposites", J. Phys. Chem. C 126, 9076-9090 (2022), doi: 10.1021/acs.jpcc.2c01142

• D. Voigt, M. Bredol, A. Gonabadi, "A general strategy for CuInS₂ based quantum dots with adjustable surface chemistry", Opt. Mater. 115, 110994 (2021), doi: 10.1016/j.optmat.2021.110994

• D.K. Dinga, M. Bredol, U. Kynast, "Novel Approach toward Water-Soluble Singlet Oxygen Monitors Based on Hybrid Inorganic−Organic Nanoclay", J. Phys. Chem. C 125, 21496 (2021), doi: 10.1021/acs.jpcc.1c04785

• E. Kasprzycka, I.P. Assunção, M. Bredol, M. Lezhnina, U. H. Kynast, "Preparation, characterization and optical properties of rare earth complexes with derivatives of N-phenylanthranilic acid", J. Lumin 232, 117818 (2021), doi: 10.1016/j.jlumin.2020.117818

• I.P. Assunção, M. Bredol, E. Kasprzycka, U. H. Kynast, M. Lezhnina, "Near-UV-excitable, green- emitting Tb³⁺-based complexes", Inorg. Chim. Acta 515, 120071 (2021), doi: 10.1016/j.ica.2020.120071

• M. Bredol, "Electrical and dielectric properties", Kap.3.8 in: Rare Earth Chemistry, 349-362, eds.: R. Pöttgen, T. Jüstel and C. Strassert, DeGruyter, doi: 10.1515/9783110654929-023  (2020)

• D. Voigt, L. Sarpong, M. Bredol, "Tuning the Optical Band Gap of Semiconductor Nanocomposites - A Case Study with ZnS/Carbon", Materials 13, 4162 (2020), doi: 10.3390/ma13184162

• A. Szydło, J.-D. Goossen, C. Linte, H. Uphoff, M. Bredol, "Preparation of platinum-based electrocatalytic layers from catalyst dispersions with adjusted colloidal stability via a pulsed electrophoretic deposition method", Mater. Chem. Phys. 242, 122532 (2020), doi: 10.1016/j.matchemphys.2019.122532

• J.D. Goossen, A. Alizade, M. Bredol, "Electrophoretic deposition of carbon/ZnS composite electrode layers", Mater. Chem. Phys. 239, 122083 (2020), doi: 10.1016/j.matchemphys.2019.122083

• M. Bredol, L.K. Sarpong, J.D. Goossen, A. Szydło, "How to combine nanoparticles to useful nanocomposites: aggregation and electrophoresis", IC4N2019: From Nanoparticles and Nanomaterials to Nanodevices and Nanosystems (invited lecture), Corfu / Greece, June 30 - July 3, 2019

• L. Lockowandt, J. Pinela, C.L. Roriz, C. Pereira, R.M.V. Abreu, R.C. Calhelha, M.J. Alves, L. Barros, M. Bredol, I.C.F.R. Ferreira, "Chemical features and bioactivities of cornflower (Centaurea cyanus L.) capitula: The blue flowers and the unexplored non-edible part", Ind. Crops Prod. 128, 496-503 (2019), doi: 10.1016/j.indcrop.2018.11.059

• M. Bredol, A. Szydło, I. Radev, W. Philippi, R. Bartholomäus, V. Peinecke, A. Heinzel, "How the colloid chemistry of precursor electrocatalyst dispersions is related to the polymer electrolyte membrane fuel cell performance", J. Power Sources 402, 15-23 (2018), doi: 10.1016/j.jpowsour.2018.09.005

• 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", Opt. Mater. 86, 398-407 (2018), doi: 10.1016/j.optmat.2018.10.039

• K. Matras-Postołek, K. Chojnacka-Gorka, M. Bredol, K. Guguła, "Luminescent ZnSe:Mn/ZnS@PMMA nanocomposites with improved refractive index and transparency", J. Lumin. 203, 655-662 (2018), doi: 10.1016/j.jlumin.2018.06.082

• L.K. Sarpong, M. Bredol, M. Schönhoff, "Heteroaggregation of multiwalled carbon nanotubes and zinc sulfide nanoparticles", Carbon 125, 480-491 (2017), doi: 10.1016/j.carbon.2017.09.067

• M. Oćwieja, K. Matras-Postołek, 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", J. Colloid Interface Sci. 503, 186-197 (2017), doi: 10.1016/j.jcis.2017.04.059

• 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", ACS Appl. Mater. Interfaces 9, 521-528 (2017), doi: 10.1021/acsami.6b08190

• 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", New J. Chem.  40, 8465-8470 (2016), doi: 10.1039/C6NJ01493C

• K. Guguła, A. Szydło, L. Stegemann, C. Strassert, M.Bredol, "Photobleaching-resistant ternary quantum dots embedded in a polymer-coated silica matrix", J. Mater. Chem. C 4, 5263-5269 (2016), doi: 10.1039/C6TC00943C

• K. Guguła, L. Stegemann, P. Cywiński, C. Strassert, M.Bredol, "Facile surface engineering of CuInS₂/ZnS quantum dots for LED down-converters", RSC Adv. 6, 10086-10093 (2016), doi: 10.1039/C5RA26331J

• J. Zimdars, M.Bredol, "On the influence of coordinating solvents on the reduction of selenium for the phosphine-free synthesis of metal selenide nanoparticles", New J. Chem.  40, 1137-1142 (2016), doi: 10.1039/C5NJ02676H

• N. Danchova, G. Ahmed, M. Bredol, S. Gutzov, "Surface Functionalization of Silica Sol-Gel Microparticles with Europium Complexes", Chemistry: Bulgarian Journal of Science Education 24, 849-862 (2015)

• M. Bredol, M. Kaczmarek, "Electrocatalytic activity of ZnS nanoparticles in direct ethanol fuel cells", ISCEE International Symposium on Clean Energy from Ethanol (invited lecture), Rzeszów / Poland, July 28th - 31st, 2014

• M. Bredol, J. Micior, S. Klemme, "Electrophoretic deposition of alumina, yttria, yttrium aluminium garnet and lutetium aluminium garnet", J. Mater. Sci. 49, 6975-6985 (2014), doi: 10.1007/s10853-014-8403-0, nominated as october finalist for the 2014 Cahn prize of the Journal of Materials Science

• K. Allampally, M. Bredol, C.A. Strassert, L. De Cola, "Highly Phosphorescent Supramolecular Hydrogels Based on Platinum Emitters", Chem. Eur. J. 20, 16863-16868 (2014), doi: 10.1002/chem.201403772

• Th. Lohmeier, M. Bredol, E. Schreiner, H. Hintze-Bruening, "Ordered liquids and hydrogels from alkenyl succinic ester terminated bola-amphiphiles for large-scale applications", Soft Matter 10, 6237-6248 (2014), doi: 10.1039/c4sm01102c

• K. Guguła, M. Bredol, "Transparent CuInS₂/PMMA Nanocomposites Luminescent in the Visible and NIR Region", Z. Naturforsch. 69b, 217-223 (2014), doi: 10.5560/ZNB.2014-3264

• M. Bredol, M. Kaczmarek, H.-D. Wiemhöfer, "Electrocatalytic activity of ZnS nanoparticles in direct ethanol fuel cells", J. Power Sources 255, 260-265 (2014), doi: 10.1016/j.jpowsour.2013.12.142

• N. Danchova, S. Gutzov, K. Matras-Postołek, 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", J. Inclusion Phenom. Macrocyclic Chem. 78, 381-386 (2014), doi: 10.1007/s10847-013-0308-z

• G. Collins, M. Blömker, 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", Chem. Mater. 25, 4312-4320 (2013), doi: 10.1021/cm402458v

• M. Michálek, M. Bredol, "Incorporation of functionalized multiwall carbon nanotubes into a polyurethane matrix", Advances in Materials Science and Engineering 2013, 929865 (2013), doi: 10.1155/2013/929865

• M. Bredol, J. Micior, "Preparation and characterization of nanodispersions of yttria, yttrium aluminium garnet and lutetium aluminium garnet", J. Colloid Interface Sci. 402, 27-33 (2013), doi: 10.1016/j.jcis.2013.03.060

• J. Zeglinski, M. Nolan, A. Schatte, M. Bredol, S. A. M. Tofail, "Unravelling the Specific Site Preference in doping of Calcium hydroxyapatite with Strontium from ab initio investigations and Rietveld Analyses", Phys. Chem. Chem. Phys. 14, 3435-3443 (2012), doi: 10.1039/C2CP23163H

• M. Kaczmarek, M. Bredol, "Electrocatalytic activity of undoped and Mn-doped Zn(S,Se)-carbon nanocomposites", J. Mater. Sci. 46, 5400-5405 (2011), doi: 10.1007/s10853-011-5479-7

• M. Bredol, M. Kaczmarek, "Potential of Nano-ZnS as Electrocatalyst", J. Phys. Chem. A  114, 3950-3955 (2010), doi: 10.1021/jp907369f

• M. Bredol, H. Schulze Dieckhoff, "Materials for Powder-Based AC-Electroluminescence", Materials 3, 1353-1374 (2010), doi: 10.3390/ma3021353

• 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. Lumin.130,  692 (2010), doi: 10.1016/j.jlumin.2009.11.021

• P. Yang, A. Szatkowski, M. Bredol, "ZnS:Mn nanoparticles conjugated to Sol-Gel-derived silica matrices", J. Sol-Gel Sci. Technol. 51, 306 (2009), doi: 10.1007/s10971-009-1979-1

• M. Bredol, K. Matras, A. Szatkowski, J. Sanetra, A. Prodi-Schwab, "P3HT/ZnS: a new hybrid bulk heterojunction photovoltaic system with very high open circuit voltage", Sol. Energy Mater. Sol. Cells 93, 662-666 (2009), doi: 10.1016/j.solmat.2008.12.015

• M. Bredol, "AC-electroluminescence from Thick Films - Mechanisms and New Developments", Vortrag auf dem Phosphor Global Summit 2009 (eingeladen), Miami FL, 24.-26.3.2009

• P. Yang, M. Bredol, "Surface Passivation and Photoluminescence of Mn-doped ZnS Nanocrystals", Research Letters in Materials Science, vol.2008, article ID 506065 (2008), doi: 10.1155/2008/506065

• K. Matras, M. Bredol, A. Szatkowski, O. Sakhno, J. Stumpe, D. Bogdal, "Composites from Luminescent Nanosized ZnS and Optical Polymer", Molecular Crystals and Liquid Crystals 485, 28 (2008), doi: 10.1080/15421400801918062

• S. Gutzov, M. Bredol, "Preparation and luminescence of terbium and cerium-doped silica xerogels", Journal of Materials Science 41, 1835-1837 (2006), doi: 10.1007/s10853-005-2184-4

• H. Althues, R. Palkovits, A. Rumplecker, P. Simon, W. Sigle, M.Bredol, U. Kynast, S. Kaskel, "Synthesis and Characterization of Transparent Luminescent ZnS:Mn/PMMA Nanocomposites", Chem. Mater. 18, 1068-1072 (2006), doi: 10.1021/cm0477422

• M. Bredol, M.Schem,"Luminescence from Thin and Thick Films", Vortrag auf dem Phosphor Global Summit 2006 (eingeladen), San Diego CA, 13.-15.3.2006

• M. Bredol, M.Wojcik, H.Altenburg, J.Plewa, J.Lis, M.Sopicka-Lizer, L.Blacha, "German-Polish Double Graduation in Materials Science on M.Sc. Level", INNOVATIONS 2006 World Innovations in Engineering Education and Research, iNEER, ISSN 1553-9911, ISBN 0-9741252-5-3, p. 265 (2006)

• L. Kozielski, A. Lisinska-Czekaj, M. Bredol, D. Czekaj, "Badania Impedancyjne Ceramiki Pb(Zr_0,51Ti_0,49)O₃ modyfikowanej Domieszka Donorowa i Akzeptorowa", Polish Ceramic Bulletin  89, 196-201 (2005)

• M.Bredol, M.Schem, "Luminescent materials: glasses as substrate, matrix and active medium", Vortrag (eingeladen) DGG Symposium Novel Optical Technologies, Würzburg, 24-25. Mai 2005, proceedings: Glass Sci. Technol. 78C, 48-53 (2005)

• M.Schem, M.Bredol, "Lanthanide-doped silica layers via the sol-gel process: luminescence and process parameters", Thin Solid Films 27, 31-35 (2005), doi: 10.1016/j.tsf.2004.08.116

• M.Bredol, "Nanopartikel für Beleuchtungs- und Displayanwendungen", Plenarvortrag (eingeladen), Materialwissenschaftliches Kolloquium des IAN, FH Gelsenkirchen, 25.-26. November 2004

• M.Bredol, M.Schem, "Microstructured UV-sensitive luminescent sol-gel layers", Optical Materials 27, 521-525  (2004), doi: 10.1016/j.optmat.2004.03.017

• M. Bredol, H. Hartmann, H. Althues, "Nanosized Mn- and Cu-doped Luminescent ZnS particles", Plenarvortrag, eingeladen, VIth coference of Polish supramolecular chemistry network, Krutyn, Polen (2004)

• M. Bredol, "Neue optische Funktionen mit Polymeren: Lichtquellen, Mikrooptik, Displays", Vortrag (eingeladen), Zusammenfassung, Fortschritte in der Kunststofftechnik, Fachhochschule Osnabrück (2004)

• M. Schem, M. Bredol, "The use of glassfibres coated with terbium doped sol-gel films in UV sensors", Optical Materials 26, 137-140  (2004), doi: 10.1016/j.optmat.2003.11.012

• M.Bredol, H. Althues, "Luminescent Nano-Sized ZnS and ZnO Particles", Solid State Phenomena  99-100, 19-24 (2004), doi: 10.4028/www.scientific.net/SSP.99-100.19

• M. Chappé, J. Hildenhagen, K. Dickmann, M. Bredol, " Historische Pigmente unter Laserbestrahlung", Chemie in unserer Zeit 37, 348-356, 2003, doi: 10.1002/ciuz.200300254

• M. Bredol, S. Gutzov, Th. Jüstel, "Highly efficient energy transfer from Ge-related defects to Tb³⁺-ions in sol-gel-derived glasses", Non-Cryst.Solids  321, 225-230, 2003, doi: 10.1016/S0022-3093(03)00225-4

• M. Chappé, J. Hildenhagen, K. Dickmann, M. Bredol, "Laser irradiation of medieval pigments at IR, VIS and UV wavelengths", J. of Cultural Heritage 4, 264s-270s, 2003, doi: 10.1016/S1296-2074(02)01206-2

• M. Bredol, "Chemistry and Physics of Cathodoluminescent Materials", in: Handbook of Luminescence, Display Materials and Devices, eds.: H.S. Nalwa and L.S. Rohwer, American Scientific Publishers, ISBN 1-58883-010-1  (2003)

• M. Bredol, I. Mróz, D. Ilieva, M. Kirm, "Metaphosphates as Surface Modifiers for Fluoride Phosphors", HASYLAB annual report 2002(2003)

• M. Chappé, J. Hildenhagen, K. Dickmann, M. Bredol, "Pigmente unter Laserbestrahlung", restauro 1/2003, 27-31  (2003)

• M. Bredol, U. Kynast, M. Klamka, D. Zielniok, " Chemische Oberflächenaktivierung von End of Life-Bildröhrenglas", Vortrag (eingeladen), SCHOTT-Symposium "Recycling von End of Life-Bildröhren: Aufgaben und Lösungen ", 2002, Mainz

• M. Bredol, S.Gutzov, " Effect of germanium-codoping on the luminescence of terbium doped silica xerogels", Optical Materials 20, 233-239  (2002), doi: 10.1016/S0925-3467(02)00094-0

• S. Gutzov, C. Berger, M. Bredol, C.L. Lengauer, "Preparation and optical properties of holmium doped silica xerogels", J.Mater.Sci.Letters 21, 1105-1107  (2002), doi: 10.1023/A:1016510600747

• M. Chappé, J. Hildenhagen, K. Dickmann, M. Bredol, "Pigment historiques sous rayonnement laser (IR, VIS et UV)", Actualité chimique 7/2002, 3-10  (2002)

• S. Gutzov, M. Bredol, "Preparation and optical properties of silica xerogels doped with rare earth ions", Comptes Rendus de l'Academie Bulgare des Sciences tom 55, vol.7, (2002)

• M. Bredol, Th. Jüstel, S.Gutzov, "Luminescence of sol-gel-derived silica doped with terbium-benzoate complex", Optical Materials 18, 337-341  (2001), doi: 10.1016/S0925-3467(01)00173-2

• M. Bredol, "Phosphore als Wertstoffe und Begleitmaterial in der Bildröhrenglasaufbereitung", Vortrag, eingeladen, SCHOTT-Symposium Recycling von End-of-Life Bildröhren, Mainz, 7.-8.9.2000 

• S. Gutzov, M.Bredol, F.Wasgestian, "Cathodoluminescence Study of Europium Doped Zirconia and Cassiterite Powders", Journal of Physics and Chemistry of Solids 59, 69-74  (1998), doi: 10.1016/S0022-3697(97)00141-8

• M. Bredol, M.Boldhaus, U.Kynast, C.Lau, "Inorganic Luminescent Networks", Ber. Bunsenges.Phys.Chem. 102, 1557-1560 (1998)

• M. Bredol, J.Merikhi, "ZnS Precipitation: Morphology Control", Journal of Materials Science 33, 471-476  (1998), doi: 10.1023/A:1004396519134

• C.Ronda, M.Bredol, "α-Fe₂O₃-coatings on Y₂O₂S:Eu", J.Colloid and Interface Science 173, 328-333 (1995), doi: 10.1006/jcis.1995.1332

• M.Bredol, U.Kynast, C.Ronda, "Leuchtstoffe für Kathodenstrahlröhren", Chemie in unserer Zeit 28 (1), 36-43 (1994), doi: 10.1002/ciuz.19940280112

• M.Bredol, J.Merikhi, I.Köhler, H.Bechtel, W.Czarnojan, "Emission Color Tuning of Green Emitting ZnS-Based CRT Phosphors", J.Solid State Chem. 110, 250-255 (1994), doi: 10.1006/jssc.1994.1166

• M.Bredol, J.Merikhi, C. Ronda, "Defect Chemistry and Luminescence of ZnS:Cu,Au,Al-Phosphors", Ber. Bunsenges. Phys. Chem. 96, 1770-1774  (1992), doi: 10.1002/bbpc.19920961149

• M.Bredol, U.Kynast, C.Ronda, "Designing Luminescent Materials", Advanced Materials 3, 361-367 (1991), doi: 10.1002/adma.19910030707

• M.Bredol, D.Leers, L.Bosselaar, M.Hutjens, "Improved Model for OH Absorption in Optical Fibers", Journal of Lightwave Technology 8, 1536-1540 (1990), doi: 10.1109/50.59193

• M.Bredol, V.Leute, "The Crystal Structure of Ga₂Se₂Te", phys. stat. sol. (a) 107, K7-K10 (1988), doi: 10.1002/pssa.2211070148

• M.Bredol, V.Leute, "Thermodynamics and Reactivity in II-VI/III-VI - Systems", Ber. Bunsenges. Phys. Chem. 90, 714-718 (1986), doi: 10.1002/bbpc.19860900819

• M.Bredol, V.Leute, "Solid State Reactions in the Quasibinary System Ga₂Te₃/CdTe", Journal of Solid State Chemistry 60, 29-40 (1985), doi: 10.1016/0022-4596(85)90160-4

Patents

• M. Bredol, J. Zimdars, S.A.M. Tofail, "Method of fabricating a bulk nano-composite", Patentanmeldung, EP 17 001 974.9 (2017)

• A. Prodi-Schwab, D. Adam, Th. Lüthge, M. Bredol, K. Matras, A. Szatkowski, J. Sanetra, "Photovoltaisches Element, Verfahren zu seiner Herstellung und seine Verwendung", Patentanmeldung, DE 10 2008 001 528 A1 (2009)

• A. Prodi-Schwab, D. Adam, Th. Lüthge, M. Bredol, K. Matras, A. Szatkowski, "Lumineszente nanoskalige Partikel mit hydrophober Oberflächenausstattung, Verfahren zu ihrer Herstellung sowie ihre Verwendung", Patentanmeldung, DE 10 2008 001 526 A1, TW 98114635, WO 2009/133138 A1 (2009)

• M. Bredol, I. Mróz, M. Zachau, F. Zwaschka, "Stabilisierung des Leuchtstoffes BAM durch Kombination von Dehydrierung und Coating", Patentanmeldung, DE 10 2007 058 339.9 (2007)

• M. Bredol, U. Kynast, M. Klamka, D. Zielniok, "Verfahren zum präparativen Aufschliessen von schwermetallhaltigen Gläsern ", Patent, DE 102 25 279, Offenlegung 24.12.2003 

• M. Bredol, A. Mingers, "Farbbildschirm mit Wismutvanadat-Pigmentbeschichtung", Deutsche Patent-Anmeldung 197 33 584.5 (angemeldet 2.8.1997)

• M. Bredol, J.Merikhi, D.Wädow. I.Köhler, "Herstellung einer Leuchtstoffzubereitung mit Hämatit", Deutsche Patent-Anmeldung 197 33 585.3 (angemeldet 2.8.1997)

• F.Picht, M.Bredol, J.Opitz, F.Vollebregt, "Leuchtstoffzubereitung mit SiO2-Partikel-Beschichtung", Deutsche Patent-Anmeldung 196 26 219.4 (angemeldet 29.6.1996). Anmeldung in US.

• M. Bredol, "Rote Leuchtstoffzubereitung mit Hämatit", Deutsche Patent-Anmeldung 196 27 547.4 (angemeldet 9.7.1996)

• M.Bredol, K.Gebhardt, "Niedertemperatursynthese von Kobaltaluminat", Deutsche Patent-Anmeldung 196 39 353.1 (angemeldet 25.9.96)

• M. Bredol, J. Merikhi, "Leuchtstoffzubereitung mit Hydroxycarbonsäurebeschichtung", Deutsche Patent-Anmeldung 196 50 602.6 (angemeldet 6.12.1996). Anmeldung in US.

• M.Bredol, J.Merikhi, D.Wädow, "Farbbildschirm mit kontrastverstärkendem Pigment", Deutsche Patent-Anmeldung 195 46 013.8 (angemeldet 8.12.1995). Anmeldung in US.

• M.Bredol, J.Merikhi, D.Wädow, "Farbbildschirm mit kontrastverstärkendem Pigment", Deutsche Patent-Anmeldung 195 46 011.1 (angemeldet 8.12.1995). Anmeldung in US.

• M.Bredol, J.Merikhi, C.Ronda, "Verfahren zur Herstellung von ZnS-Partikeln", EP 635,457, US 5,498,369  angemeldet 22.7.1993. Anmeldung in Taiwan.

• M.Bredol, U.Kynast, J.Merikhi, C.Ronda, "Grün lumineszierendes Zinksulfid", DE 4,216,104, EP 570,063, US 5,558,817 angemeldet 15.5.1992. Anmeldungen in JP, KR, CN, SG, TW

• C.Ronda, M.Bredol, U.Kynast, G.Hütten, T.Rink, "Verfahren zur Bedeckung von rot lumineszierenden Leuchtstoffpartikeln mit Hämatit", DE 4,239,747; EP 599,407, US 5,387,436, angemeldet 26.11.1992

• M.Bredol, U.Kynast, C.Ronda, T.Welker, "Lumineszenzfähiger Stoff", DE 4,122,009, angemeldet 3.7.1991

Conference contributions

• M.Bredol, G.Primavera, I.Radev, T.Lange, V.Peinecke, "Electrophoretic Deposition of Electrocatalysts on Proton-Conducting Membranes", oral contribution,  Electrophoretic Deposition VIII: Fundamentals and Applications, Cetraro (Italy), october 12-16 (2025)

• D.Voigt, M.Bredol, "Experimental and theoretical ab initio investigations of CuInS₂ - carbon nanotubes nanocomposites", online poster, Bunsentagung, Regensburg, 10.-12.may (2021)

• J.D.Goossen, M.Bredol, "Investigation of the catalytic effects of electrophoretically deposited ZnO/ZnS/carbon nanocomposites", oral contribution SYMB01.04, 6th International Conference on Multifunctional, Hybrid and Nanomaterials, Sitges (Spain), 11.-15.mar (2019)

• 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)

• 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)

• M.Bredol, V.Peinecke, I.Radev, A.Szydło, "Cathodic Catalytic Layer Microstructure and Proton Exchange Membrane Fuel Cell Performance", oral contribution, World Hydrogen Energy Conference 2018, Rio de Janeiro (Brazil), 17.-22.6. (2018)

• M.Ivanov, K.Shabanova, M.Bredol, U.Kynast, M.Lezhnina, R.Tomala, H.Kou, J.Li, "Size-dependent phase transformation and luminescence of Eu³⁺:Y₂O₃ nano particles", oral contribution, 5th International Conference on Rare Earth Materials, Wrocław (Poland), 16.-18.5. (2018)

• J.Tirano, H.R. Zea Ramírez, M.Bredol, "Synthesis and Electrochemical Properties of Ni-Doped TiO₂ Nanotubes for Enhancing Visible Light Absorption", oral contribution, AIChE spring meeting, Orlando (FL, USA), 22.-26.4. (2018)

• M.Ivanov, E.Kalinina, M.Bredol, U.Kynast, "Electrophoretic Depositon of Nanoparticles to Sinter Highly Transparent Yttria Ceramics", oral contribution, 13th Laser Ceramics Symposium, Fryazino (Russia), 4.-8.dec (2017)

• A.Szydło, M.Bredol, S.Fricke, I.Radev, V.Peinecke, "Microstructure modification of carbon-based composites for fuell cell electrodes", Poster P1.176, 5th International Conference on Multifunctional, Hybrid and Nanomaterials, Lisbon (Portugal), 6.-10.mar (2017)

• L.K.Sarpong, M.Bredol, "Composites from Carbon and Semiconductors", oral contribution C.8.2, symposium C,  EMRS fall meeting, Warsaw (Poland), 19.-22.september (2016)

• M. Bredol, V. Niemann, J.-D. Goossen, "Electrocatalytic activity of sulfides", oral contribution V01.03 (main topic), Bunsentagung, Rostock, 5.-7.may (2016)

• 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)

• M. Bredol, M. Kaczmarek, "Sulfides and selenides as electrocatalysts in direct ethanol fuel cells", Poster P.04, Fuel Cells: Science and Technology , Glasgow (Scotland), 13.-14.apr 2016 

• J. Zimdars, M. 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, Dubai, 6.-10.dec 2015 

• M. Bredol, Th. Harth, "Making Physical Chemistry a more interactive and cooperative experience", oral contribution 14, 19th International Conference on Engineering Education ICEE 2015 , Zagreb (Croatia), 20.-24.july (2015) proceedings

• K. Guguła, F.S. De Vicente, M.Bredol, "Sol-gel derived CuInS2/ZnS-silica hybrid materials for color converters", oral contribution OB1.11.03, 4th International Conference on Multifunctional, Hybrid and Nanomaterials, Sitges (Spain), 9.-13.mar (2015)

• J. Zimdars, M.Bredol, "Synthesis of Mn-doped ZnSe/ZnS core/shell nanostructures for fabrication of nanocomposites on technical scale", Poster P1.158, 4th International Conference on Multifunctional, Hybrid and Nanomaterials, Sitges (Spain), 9.-13.mar (2015)

• 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)

• K. Guguła, 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. Matras-Postołek, K. Gorka, M. Bredol, D. Bogdal, "Synthesis and characterization of novel ZnS and ZnSe hybrid polymer nanocomposites for optoelectronic applications", oral contribution F.XII.8, EMRS spring meeting, Lille (France), 26.-30.may (2014)

• 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)

• M.Bredol, K.Matras-Postołek, K. Chojnacka, K.Guguła, "Interface Chemistry of ZnSe, ZnS and CuInS2 nanocomposites with polymers", Poster B.1.15.8, 3rd International Conference on Multifunctional, Hybrid and Nanomaterials, Sorrento (Italy), 3.-7.mar (2013)

• J.Micior, M.Bredol, "Electrophoretic deposition of Rare-Earth-Containing Colloids ", Poster, 1st Rare Earth Elements and Compounds Conference (REEC), Münster, 5.-6.sep (2012)

• J.Micior, T.Felbeck, B. Herden, M.Bredol, "Colloid chemistry and electrophoretic deposition", Poster, Bunsentagung 2012, Leipzig, 18.-19.5. (2012)

• M.Michálek, M.Bredol, "Treatment and incorporation of MWCNTs into aqueous polyurethane dispersions and coatings", Poster, Bunsentagung 2012, Leipzig, 18.-19.5. (2012)

• J. Micior, T. Felbeck, B. Herden, M. Bredol, "Influence of electrophoretic deposition process on the microstructure of nano-ceramic materials ", Oral contribution at EMRS Fall Meeting (Symposium A), Warsaw (Poland), 19.-23.9. (2011)

• M. Kaczmarek, M. Bredol, "Direct ethanol fuel cells with Zn(S,Se) as electrocatalysts", Vortrag, Bunsentagung 2011, Berlin 2.-4.6. (2011)

• J.Micior, M.Bredol, T.Felbeck, "Electrophoretic deposition of nano-yttria and nano-YAG", Poster, 6^thLaser Ceramics Symposium, Münster (Germany), 6.12.10-8.12.10 (2010)

• J.Micior, M.Bredol, "Electrophoretic deposition of cylindrical bodies from nano-alumina dispersions", Poster, 6^thLaser Ceramics Symposium, Münster (Germany), 6.12.10-8.12.10 (2010)

• J.Zeglinski, A.Schatte, M.Nolan, M.Bredol, S.A.M.Tofail, "Strontium Substitution in Hydroxyapatite - Synthesis, Characterization and Crystal Structure Study", oral contribution, Materials Ireland 3^rdAnnual Conference, Dublin (Ireland), 13.12.10-14.12.10 (2010)

• S. Tofail, A.Gandhi, A.Schatte, J.Zeglinski, O.Korostynska, M.Bredol, "Tuneable transparency in hydroxyapatite by varying sintering parameters and Strontium-doping", Poster, 6^thLaser Ceramics Symposium, Münster (Germany), 6.12.10-8.12.10 (2010)

• M. Bredol, M. Kaczmarek, "Carbon / Zn(S,Se) nanocomposites as electrocatalysts", Poster P2 16 auf dem EMRS spring meeting 2010, Strasbourg (Frankreich) 7.-11.6. (2010)

• H. Schulze Dieckhoff, Y. Gao, M. Bredol, "Processing of end-of-life CRT glass and its potential as dielectric in AC-electroluminescence", Vortrag auf dem EMRS Fall Meeting , Warschau (Polen), 14.-18.9. (2009)

• A. Jamal, M.Pomberg, J.Zeglinski, M.Bredol, S.A.M.Tofail, "The limit to Zn-substitution in nanocrystalline hydroxyapatite: A theoretical and experimental study", Poster, NanoBioTech, Montreux (Switzerland), 16.-18.11. (2009)

• Bredol, M. Kaczmarek, H. Schulze Dieckhoff, "ZnS/carbon nanocomposites for electrocatalytic application", Vortrag auf dem EMRS Fall Meeting , Warschau (Polen), 15.-19.9. (2008)

• P. Yang, M. Bredol, "ZnS:Mn nanoparticles conjugated to sol-gel-derived silica matrices", Vortrag auf der 5th International Conference on Sol-Gel Materials, Trzebieszowice (Polen), 1.-5.6. (2008)

• M. Bredol, K. Matras, A. Szatkowski, J. Sanetra, H. Becker, "Polymer/ZnS nanocomposites for optical and photovoltaic application", Vortrag auf dem EMRS spring meeting 2008, Strasbourg (Frankreich) 26.-30.5. (2008)

• M. Bredol, K. Matras, A. Szatkowski, H. Becker, "Nanokomposite aus ZnS und Polymeren für optische und photovoltaische Anwendungen ", Vortrag E23 auf der Bunsentagung 2008, Saarbrücken 1.-3.5. (2008)

• K. Matras, M. Bredol, A. Szatkowski, O. Sakhno, J. Stumpe, D. Bogdal, "Composites from Luminescent Nanosized ZnS and Optical Polymer", Vortrag auf der IXth International Conference on Frontiers of Polymers and Advanced Materials, Krakau, Polen, 8.7.-12.7.2007

• A. Szatkowski, P. Yang, K. Matras, M. Bredol "Luminescent ZnS nanoparticles in sol-gel and polymer matrices", Vortrag auf dem DGG symposium Novel Optical Technologies, Aachen, 4.6.-6.6.2007

• M. Bredol, P.Yang, A. Szatkowski, K. Matras, "Comparative Study of nano-ZnS:Mn embedded in shells and films", Poster auf dem EMRS spring meeting 2007, Strassburg, Frankreich, 28.5.-1.6.2007

• A.Szatkowski, H.Hartmann, M.Bredol, "Preparation and Characterization of ZnS:Mn and ZnS:Cu nanoparticles with different capping agents", Vortrag auf der 4th International Conference on Sol-Gel Materials 2006, Kliczkow Castle, Polen, 19.6.-21.6.2006

• P.Yang, M.Bredol, "Surface passivation and photoluminescence of Mn-doped ZnS nanocrystals", Vortrag auf dem EMRS spring meeting 2006, Nizza, Frankreich, 29.5.-2.6.2006

• I. Mróz, M. Bredol, U.Müller, "Phosphatgläser als Schutzcoating für Mehrphotonenemitter ?", Poster 34, 78. Glastechnische Tagung, Nürnberg, (2004)

• M. Schem, M. Bredol, "Stability of Terbium Picolinate Sol-Gel Layers", oral contribution OP26, Sol-Gel Materials '04, 6.-11.6.2004, Wroclaw, Poland (2004)

• M. Bredol, I. Mróz, "Fluoride Particles with Oxidic Nanocoatings", oral contribution OP27, Sol-Gel Materials '04, 6.-11.6.2004, Wroclaw, Poland (2004)

• I. Mróz, M. Bredol, "Oxidische Schutzschichten auf Fluorid-Partikeln", oral contribution B115, 103. Bunsentagung, 20.-22.5.2004, Dresden, Germany

• M. Bredol, S. Gutzov, Th. Jüstel, " Energy Transfer from Germanium-Related Defect Sites to Terbium Ions in Silica Glass", oral contribution, Vth Symposium of the Polish Supramolecular Chemistry Network, 23.-26.10.2003, Piotrowo, Polen 

• M. Bredol, H. Althues, "Luminescent nano-sized ZnS and ZnO particles", Paper FS5.2, European Materials Research Society Fall Meeting 2003, 15.-19.9.2003, Warschau, Polen

• M. Schem, M. Bredol, "Microstructured Luminescent Sol-Gel Layers", Poster PP25, International Conference on Sol-Gel Materials 2003, 15.-20.6.2003, Szklarska Poreba, Polen

• M. Schem, M. Bredol, "SiO₂-Schichten dotiert mit Lanthanoid-Komplexen als Grundlage für die UV-Sensorik", Poster P01, Bunsentagung 2003, 29.-31.5.2003, Kiel

• M. Bredol, M. Schem, S.Gutzov, Th. Jüstel, "Energy transfer from Ge-related defects to Tb³⁺ions in sol-gel derived glasses", Poster, CONCIM 2003, 8.-12.4.2003, Universität Bonn 

• M. Bredol, U. Kynast, M. Klamka, D. Zielniok, "Activation and Heavy Metal Extraction in Cathode-Ray-Tube Glasses", Vortrag,14th Conference on Glass and Ceramics, 2002, Varna (Bulgaria)

• M. Schem, M. Bredol, "Luminescent Layers via the Sol-Gel-Process", Posterund Manuskript, 14th Conference on Glass and Ceramics, 2002, Varna (Bulgaria)

• M. Bredol, S. Heitmann, "Modellierung von Oberflächenkomplexen aus Benzoesäure und SiO₂-Oberflächen", PosterBunsentagung 2001, Stuttgart 

• S. Gutzov, Ch. Berger, M. Bredol, "Preparation and Optical Properties of Ho(III) doped SiO₂Xerogels", Vortrag Bunsentagung 2001, Stuttgart

• M. Bredol, S.Gutzov, Th. Jüstel, "Immobilisierte lumineszierende Lanthanoid-Komplexe in SiO₂-Gläsern auf Sol-Gel-Basis", PosterBunsentagung 2000, Würzburg 

• M. Bredol, S.Gutzov, Th. Jüstel, "Sol-Gel-Derived Glasses Functionalized with Lanthanoid Complexes",  Vortrag 3.Steinfurter Keramik-Seminar, Steinfurt 18.12.1999

• M.Bredol, S.Heitmann, "Elektroakustische Untersuchungen zur Adsorption von Benzoesäure auf einem SiO₂-Sol", Poster Bunsentagung 1999, Dortmund

• M. Bredol, "Luminescing Silica Gels", Vortrag 2.Steinfurter Keramik-Seminar, Steinfurt 16.12.1998

• M.Bredol, J.Merikhi, "Sulfide Nanoparticles as Seeds for ZnS Precipitation", Vortrag, Bunsentagung 1995, Bremen

• M.Bredol, S.Berger, J.Merikhi, "Controlled Precipitation of ZnS", Bunsentagung 1993, Leipzig

• C.Ronda, T.Rink, M.Bredol, "α-Fe₂O₃-coatings on Y₂O₂S:Eu", 184th meeting of the Electrochemical Society, post-deadline paper, New Orleans, 1993

• M. Bredol, C. Ronda, "Defect Chemistry and Luminescence of ZnS:Cu,Au,Al-Phosphors", Bunsentagung 1992, Wien