Dr. Steffen Franzka

    2024

  • Martínez-Hincapié, Ricardo; Wegner, Jan; Anwar, Muhammad Usman; Raza-Khan, Ali; Franzka, Steffen; Kleszczynski, Stefan; Čolić, Viktor
    The determination of the electrochemically active surface area and its effects on the electrocatalytic properties of structured nickel electrodes produced by additive manufacturing
    In: Electrochimica Acta , Vol. 476 2024, 143663
  • Gamrad-Streubel, Lisa; Kundu, Sangita; Streich, Carmen; Ramesh, Vaijayanthi; Schielke, Andreas; Rehbock, Christoph; Cordes-Blauert, Merle; Franzka, Steffen; Klein, Sabine; Kues, Wilfried A.; Rath, Detlef; Barcikowski, Stephan
    Adsorption and Distribution of Triplex-Hybridizing Bioconjugated Gold Nanoclusters Inside Spermatozoa- A Study Using Confocal Microscopy and Fluorescence Lifetime Imaging
    In: ChemBioChem , Vol. 25 2024, Nr. 23, e202400451
  • 2023

  • Bera, Anupam; Bullert, Denise; Linke, Matthias; Franzka, Steffen; Hagemann, Ulrich; Hartmann, Nils; Hasselbrink, Eckart
    Interaction of 2-propanol with predominantly SrO- and TiO2-terminated SrTiO3(100) surfaces studied by vibrational sum frequency spectroscopy
    In: Catalysis Science and Technology , Vol. 13 2023, Nr. 17, pp. 4988 – 4995
  • Tjaberings, Stefanie; Heidelmann, Markus; Franzka, Steffen; Gröschel, André H.
    Multicompartment Nanostructures as Templates for Multimetallic Hybrid Materials
    In: Small Science , Vol. 3 2023, Nr. 9, 2300071
  • Kriegel, Marko A.; Omambac, Karim; Franzka, Steffen; Meyer zu Heringdorf, Frank; Horn-von Hoegen, Michael
    Incommensurability and negative thermal expansion of single layer hexagonal boron nitride
    In: Applied Surface Science , Vol. 624 2023, 157156
  • Josten, Nicolas; Franzka, Steffen; Rao, Ziyuan; Smoliarova, Tatiana; Kovács, András; Scheibel, Franziska; Staab, Franziska; Acet, Mehmet; Çaklr, Asll; Durst, Karsten; Gault, Baptiste; Dunin-Borkowski, Rafal E.; Gutfleisch, Oliver; Farle, Michael
    Location and morphology of ferromagnetic precipitates in Ni-Mn-Sn
    In: Physical Review Materials , Vol. 7 2023, Nr. 12, 124411
  • 2022

  • Ganter, Domenic; Franzka, Steffen; Shvartsman, Vladimir; Lupascu, Doru C.
    The phenomenon of bitumen ‘bee' structures–bulk or surface layer–a closer look
    In: International Journal of Pavement Engineering , Vol. 23 2022, Nr. 6, pp. 1768 – 1776
  • 2021

  • Sleziona, Stephan; Rauls, Simon; Heckhoff, Tobias; Christen, Leonard; Pollmann, Erik; Madauß, Lukas; Franzka, Steffen; Lorke, Axel; Wende, Heiko; Schleberger, Marika
    Towards field-effect controlled graphene-enhanced Raman spectroscopy of cobalt octaethylporphyrin molecules
    In: Nanotechnology , Vol. 32 2021, Nr. 20, pp. 205702
  • Steinhaus, Andrea; Srivastva, Deepika; Qiang, Xiaolian; Franzka, Steffen; Nikoubashman, Arash; Gröschel, André
    Controlling Janus Nanodisc Topology through ABC Triblock Terpolymer/Homopolymer Blending in 3D Confinement
    In: Macromolecules , Vol. 54 2021, Nr. 3, pp. 1224 – 1233
  • Qiang, Xiaolian; Franzka, Steffen; Quintieri, Giada; Dai, Xuezhi; Wong, Chin Ken; Gröschel, André
    Size‐Controlled Formation of Polymer Janus Discs
    In: Angewandte Chemie International Edition , Vol. 60 2021, Nr. 40, pp. 21668 – 21672
  • 2020

  • Tjaberings, Stefanie; Heidelmann, Markus; Tjaberings, Alexander; Steinhaus, Andrea; Franzka, Steffen; Walkenfort, Bernd; Gröschel, André
    Terpolymer Multicompartment Nanofibers as Templates for Hybrid Pt Double Helices
    In: ACS Applied Materials & Interfaces , Vol. 12 2020, Nr. 35, pp. 39586 – 39594
  • Qiang, Xiaolian; Franzka, Steffen; Dai, Xuezhi; Gröschel, André
    Multicompartment Microparticles of SBT Triblock Terpolymers through 3D Confinement Assembly
    In: Macromolecules , Vol. 53 2020, Nr. 11, pp. 4224 – 4233
  • 2017

  • Schade, Martin; Franzka, Steffen; Hartmann, Nils
    Laser-Induced Functionalization of Organo/Carbon Interfaces for Selective Adsorption of Au Nanoparticles in Microsized Domains
    In: Langmuir , Vol. 33 2017, Nr. 35, pp. 8686 – 8692
  • 2016

  • Dundua, Alexander; Franzka, Steffen; Ulbricht, Mathias
    Improved Antifouling Properties of Polydimethylsiloxane Films via Formation of Polysiloxane/Polyzwitterion Interpenetrating Networks
    In: Macromolecular Rapid Communications , Vol. 37 2016, Nr. 24, pp. 2030 – 2036
  • Schade, Linda; Franzka, Steffen; Thomas, Marc; Hagemann, Ulrich; Hartmann, Nils
    Resonant laser processing of nanoparticulate Au/TiO2 films on glass supports : Photothermal modification of a photocatalytic nanomaterial
    In: Surface Science , Vol. 650 2016, pp. 57 – 63
  • Schade, Lina; Franzka, Steffen; Biener, Monica; Biener, Jürgen; Hartmann, Nils
    Surface-enhanced Raman spectroscopy on laser-engineered ruthenium dye-functionalized nanoporous gold
    In: Applied Surface Science , Vol. 374 2016, pp. 19 – 22
  • 2015

  • Hartmann, Nils; Franzka, Steffen; Schröter, Anja; Aumann, Andreas; Ostendorf, Andreas
    Nonlinear processing and multiphoton ablation of self-assembled monolayers for application as ultrathin resists and in biochemical sensors
    In: Optically Induced Nanostructures: Biomedical and Technical Applications / König, Karsten; Ostendorf, Andreas (Eds.) 2015, pp. 117 – 139
  • Thomas, Marc; Gajda, Martyna; Naini, Crispin Amiri; Franzka, Steffen; Ulbricht, Mathias; Hartmann, Nils
    Poly(N,N-dimethylaminoethyl methacrylate) Brushes : pH-Dependent Switching Kinetics of a Surface-Grafted Thermoresponsive Polyelectrolyte
    In: Langmuir , Vol. 31 2015, Nr. 49, pp. 13426 – 13432
  • Schade, Martin; Franzka, Steffen; Cappuccio, Franco; Peinecke, Volker; Heinzel, Angelika; Hartmann, Nils
    Photothermally induced bromination of carbon/polymer bipolar plate materials for fuel cell applications
    In: Applied Surface Science , Vol. 336 2015, pp. 85 – 88
  • Schade, Lina; Franzka, Steffen; Dzialkowski, Kevin; Hardt, Sebastian; Wiggers, Hartmut; Reichenberger, Sven; Wagener, Philipp; Hartmann, Nils
    Resonant photothermal laser processing of hybrid gold/titania nanoparticle films
    In: Applied Surface Science , Vol. 336 2015, pp. 48 – 52
  • 2014

  • Schade, Martin; Franzka, Steffen; Schröter, Anja; Cappuccio, Franco; Gajda, Martyna; Peinecke, Volker; Heinzel, Angelika; Hartmann, Nils
    Chemical functionalization of carbon/polymer bipolar plate materials via oxygen plasma activation and subsequent silanization
    In: Surface and Coatings Technology , Vol. 240 2014, pp. 255 – 260
  • Maragkaki, S.; Aumann, A.; Schulz, Florian; Schröter, A.; Schöps, B.; Franzka, Steffen; Hartmann, Nils; Ostendorf, A. (Eds.)
    Micro-patterning of self-assembled organic monolayers by using tunable ultrafast laser pulses
    In: Frontiers in ultrafast optics: biomedical, scientific, and industrial applications XIV / SPIE photonics west , 2 - 5 February 2014, San Francisco, California, United States 2014
  • Schröter, Anja; Franzka, Steffen; Hartmann, Nils
    Photothermal Laser Fabrication of Micro- and Nanostructured Chemical Templates for Directed Protein Immobilization
    In: Langmuir , Vol. 30 2014, Nr. 49, pp. 14841 – 14848
  • Schade, Lina; Franzka, Steffen; Mathieu, Mareike; Biener, Monika M.; Biener, Jürgen; Hartmann, Nils
    Photothermal laser microsintering of nanoporous gold
    In: Langmuir , Vol. 30 2014, Nr. 24, pp. 7190 – 7197
  • Hess, Christian; Schwenke, Andreas; Wagener, Philipp; Franzka, Steffen; Sajti, Csaba Laszlo; Pflaum, Michael; Wiegmann, Bettina; Haverich, Axel; Barcikowski, Stephan
    Dose-dependent surface endothelialization and biocompatibility of polyurethane noble metal nanocomposites
    In: Journal of Biomedical Materials Research Part A , Vol. 102 2014, Nr. 6, pp. 1909 – 1920
  • Stella, Kevin; Franzka, Steffen; Bürstel, Damian; Diesing, Detlef; Mayer, Dirk; Roddatis, Vladimir
    Electrochemical oxidation as vertical structuring tool for ultrathin (d < 10 nm) valve metal films
    In: ECS Journal of Solid State Science and Technology (JSS) , Vol. 3 2014, Nr. 5, pp. 143 – 148
  • Schade, Martin; Franzka, Steffen; Schröter, Anja; Cappuccino, Franco; Peinecke, Volker; Heinzel, Angelika; Hartmann, Nils
    Laser Patterning of Silanized Carbon/Polymer Bipolar Plates with Tailored Wettability for Fuel Cell Applications
    In: Laser Surface Modification and Adhesion / Mittal, K. L.; Bahners, Thomas (Eds.) 2014, pp. 263 – 287
  • 2013

  • Behrenberg, Dennis; Franzka, Steffen; Petermann, Nils; Wiggers, Hartmut; Hartmann, Nils
    Fabrication of periodic surface topographies via sequential photothermal laser microsintering of silicon nanoparticle films
    In: Applied Surface Science , Vol. 278 2013, pp. 278 – 283
  • Schröter, Anja; Mathieu, Mareike; Franzka, Steffen; Feydt, Jürgen; Irsen, Stephan; Hartmann, Nils
    Fabrication of chemical templates via selective laser-induced desorption of hexadecanethiol self-assembled monolayers
    In: Applied Surface Science , Vol. 278, Laser materials processing for micro and nano applications, E-MRS 2012 Symposium V 2013, pp. 57 – 61
  • Schröter, Anja; Franzka, Steffen; Koch, Jürgen; Chichkov, Boris N.; Ostendorf, Andreas; Hartmann, Nils
    Femtosecond-laser processing of nitrobiphenylthiol self-assembled monolayers
    In: Applied Surface Science , Vol. 278: Laser materials processing for micro and nano applications, E-MRS 2012 Symposium V 2013, pp. 43 – 46
  • Aumann, A.; Maragkaki, S.; Schulz, F.; Schröter, A.; Schöps, B.; Franzka, Steffen; Hartmann, Nils; Ostendorf, A.
    Sub-wavelength patterning of self-assembled organic monolayers via non-collinear optical parametric amplifier
    In: ICALEO 2013 - 32nd International Congress on Applications of Lasers and Electro-Optics / 32nd International Congress on Applications of Lasers and Electro-Optics, ICALEO 2013, Miami, FL, United States, 6 October 2013 through 10 October 2013 2013, pp. 893 – 897
  • Schade, Lina; Franzka, Steffen; Hardt, Sebastian; Wiggers, Hartmut; Hartmann, Nils
    Sintering of thin titanium dioxide nanoparticle films via photothermal processing with ultraviolet continuous-wave lasers
    In: Applied Surface Science , Vol. 278, Laser materials processing for micro and nano applications, E-MRS 2012 Symposium V 2013, pp. 336 – 340
  • Amiri, Crispin; Thomas, Marc; Franzka, Steffen; Frost, Sven; Ulbricht, Mathias; Hartmann, Nils
    Hofmeister Effect of Sodium Halides on the Switching Energetics of Thermoresponsive Polymer Brushes
    In: Macromolecular Rapid Communications , Vol. 34 2013, Nr. 5, pp. 417 – 422
  • 2012

  • Behrenberg, Dennis; Franzka, Steffen; Petermann, Nils; Wiggers, Hartmut; Hartmann, Nils
    Photothermal laser processing of thin silicon nanoparticle films : On the impact of oxide formation on film morphology
    In: Applied Physics A: Materials Science and Processing , Vol. 106 2012, Nr. 4, pp. 853 – 861
  • 2011

  • Amiri, Crispin; Franzka, Steffen; Frost, Sven; Ulbricht, Mathias; Hartmann, Nils
    Probing the intrinsic switching kinetics of ultrathin thermoresponsive polymer brushes
    In: Angewandte Chemie International Edition , Vol. 50 2011, Nr. 19, pp. 4513 – 4516
  • 2010

  • Klingebiel, Benjamin; Scheres, Luc; Franzka, Steffen; Zuilhof, Han; Hartmann, Nils
    Photothermal micro- and nanopatterning of organic/silicon interfaces
    In: Langmuir , Vol. 26 2010, Nr. 9, pp. 6826 – 6831
  • Franzka, Steffen; Koch, Jürgen; Chichkov, Boris N.; Hartmann, Nils
    Nonlinear femtosecond laser processing of alkylsiloxane monolayers on surface-oxidized silicon substrates
    In: Journal of Vacuum Science and Technology A: Vacuum, Surfaces, and Films , Vol. 28 2010, Nr. 4, pp. 814 – 817
  • Klingebiel, Benjamin; Schröter, Anja; Franzka, Steffen; Hartmann, Nils
    Photothermally induced bromination and decomposition of alkylsiloxane monolayers on surface-oxidized silicon substrates
    In: Journal of Vacuum Science and Technology A: Vacuum, Surfaces, and Films , Vol. 28 2010, Nr. 4, pp. 834 – 837
  • Mathieu, Mareike; Franzka, Steffen; Koch, Jürgen; Chichkov, Boris N.; Hartmann, Nils
    Self-assembled organic monolayers as high-resolution resists in rapid nonlinear processing with single femtosecond laser pulses
    In: Applied Physics A: Materials Science and Processing , Vol. 101 2010, Nr. 3, pp. 461 – 466
  • Mathieu, Mareike; Schunk, Daniel; Franzka, Steffen; Mayer, Christian; Hartmann, Nils
    Temporal stability of photothermally fabricated micropatterns in supported phospholipid multilayers
    In: Journal of Vacuum Science and Technology A: Vacuum, Surfaces, and Films , Vol. 28 2010, Nr. 4, pp. 953 – 957
  • 2009

  • Klingebiel, Benjamin; Schröter, Anja; Franzka, Steffen; Hartmann, Nils
    Photothermally induced microchemical functionalization of organic monolayers
    In: ChemPhysChem , Vol. 10 2009, Nr. 12, pp. 2000 – 2003
  • Stella, Kevin; Bürstel, Damian; Franzka, Steffen; Diesing, Detlef; Posth, Oliver
    Preparation and properties of thin amorphous tantalum films formed by small e-beam evaporators
    In: Journal of Physics D: Applied Physics 2009, Nr. 42, pp. 135417
  • Mathieu, Mareike; Schunk, Daniel; Franzka, Steffen; Mayer, Christian; Hasselbrink, Eckart; Hartmann, Nils
    Direct Laser Patterning of Soft Matter: Photothermal Processing of Supported Phospholipid Multilayers with Nanoscale Precision
    In: Small , Vol. 5 2009, Nr. 18, pp. 2099 – 2104
  • Hartmann, Nils; Klingebiel, Benjamin; Balgar, Thorsten; Franzka, Steffen; Hasselbrink, Eckart
    Laser-induced local dehydroxylation on surface-oxidized silicon substrates: mechanistic aspects and prospects in nanofabrication
    In: Applied Physics A: Materials Science and Processing , Vol. 94 2009, Nr. 1, pp. 95 – 103
  • Mathieu, Mareike; Friebe, Alexander; Franzka, Steffen; Hartmann, Nils
    Surface-initiated polymerization on laser-patterned templates : morphological scaling of nanoconfined polymer brushes
    In: Langmuir , Vol. 25 2009, Nr. 20, pp. 12393 – 12398
  • 2008

  • Hartmann, Nils; Franzka, Steffen; Koch, J; Ostendorf, A; Chichkov, B. N.
    Subwavelength patterning of alkylsiloxane monolayers via nonlinear processing with single femtosecond laser pulses
    In: Applied Physics Letters (APL) , Vol. 92 2008, pp. 223111
  • 2007

  • Wiemann, M.; Bingmann, Dieter; Franzka, Steffen; Hartmann, Nils; Urch, Henning; Epple, Matthias
    Oriented growth of osteoblast-like cells on two-dimensionally structured films of functionalized calcium phosphate nanoparticles on a silicon substrate
    In: Advanced Engineering Materials , Vol. 9 2007, pp. 1077 – 1081
  • Hartmann, Nils; Dahlhaus, Daniel; Franzka, Steffen
    Self-assembled organic templates for the selective adsorption of gold nanoparticles into confined domains
    24th European Conference on Surface Science (ECOSS-24) ; 4-8 September 2006, Paris, France,
    In: Surface Science , Vol. 601 2007, Nr. 18, pp. 3916 – 3920
  • Susanto, Heru; Franzka, Steffen; Ulbricht, Mathias
    Dextran fouling of polyethersulfone ultrafiltration membranes-Causes, extent and consequences.
    In: Journal of Membrane Science , Vol. 296 2007, Nr. 1+2, pp. 147 – 155
  • 2006

  • Dahlhaus, Daniel; Franzka, Steffen; Hasselbrink, Eckart; Hartmann, Nils
    1D Nanofabrication with a Micrometer-Sized Laser Spot
    In: Nano Letters , Vol. 6 2006, Nr. 10, pp. 2358 – 2361
  • Hartmann, Nils; Balgar, Thorsten; Bautista, Rafael; Franzka, Steffen
    Direct laser patterning of octadecylsiloxane monolayers on surface-oxidized silicon substrates : Indications for a photothermal excitation mechanism
    In: Surface Science , Vol. 600 2006, Nr. 18, pp. 4034 – 4038
  • Urch, Henning; Franzka, Steffen; Dahlhaus, Daniel; Hartmann, Nils; Hasselbrink, Eckart; Epple, Matthias
    Preparation of two-dimensionally patterned layers of functionalised calcium phosphatenanoparticles by laser direct writing
    In: Journal of Materials Chemistry , Vol. 16 2006, Nr. 19, pp. 1798 – 1802
  • Balgar, Thorsten; Franzka, Steffen; Hasselbrink, Eckart; Hartmann, Nils
    Laser-assisted fabrication of submicron-structured hydrophilic/ hydrophobic templates for the directed self-assembly of alkylsiloxane monolayers into confined domains
    In: Applied Physics A: Materials Science and Processing , Vol. 82 2006, Nr. 1, pp. 15 – 18
  • 2005

  • Franzka, Steffen; Dahlhaus, Daniel; Hartmann, Nils
    Preparation of stacked organosiloxane bilayers on hydrophilic and hydrophobic silicon substrates by spin coating
    In: Thin Solid Films , Vol. 488 2005, Nr. 1-2, pp. 124 – 131
  • Schneider, Joerg J.; Engstler, Joerg; Budna, Karl P.; Teichert, Christian; Franzka, Steffen
    Freestanding, Highly Flexible, Large Area, Nanoporous Alumina Membranes with Complete Through-Hole Pore Morphology
    In: European Journal of Inorganic Chemistry 2005, Nr. 12, pp. 2352 – 2359
  • Lazos, Dimitrios; Franzka, Steffen; Ulbricht, Mathias
    Size-Selective Protein Adsorption to Polystyrene Surfaces by Self-Assembled Grafted Poly(ethylene Glycols) with Varied Chain Lengths
    In: Langmuir , Vol. 21 2005, Nr. 19, pp. 8774 – 8784
  • 2004

  • Balgar, Thorsten; Franzka, Steffen; Hartmann, Nils; Hasselbrink, Eckart
    Preparation of Submicron-Structured Alkylsiloxane Monolayers Using Prepatterned Silicon Substrates by Laser Direct Writing
    In: Langmuir , Vol. 20 2004, Nr. 9, pp. 3525 – 3527
  • 2003

  • Liu, Yunping; Meyer-Zaika, Wolfgang; Franzka, Steffen; Schmid, Günter; Tsoli, Maria; Kuhn, Hubert
    Gold-Cluster Degradation by the Transition of B-DNA into A-DNA and the Formation of Nanowires
    In: Angewandte Chemie International Edition , Vol. 42 2003, Nr. 25, pp. 2853 – 2857
  • Kruse, Matthias; Franzka, Steffen; Schmid, Günter
    Nanostructured silicon surfaces via nanoporous alumina
    In: Chemical Communications: ChemComm 2003, Nr. 12, pp. 1333 – 1335
  • Hartmann, Nils; Balgar, Thorsten; Bautista, Rafael; Dahlhaus, Daniel; Franzka, Steffen; Hasselbrink, Eckart
    Preparation of organic monolayers on uniform and patterned silicon substrates
    In: Physical chemistry of interfaces and nanomaterials II: 6 - 8 August 2003, San Diego, California, USA II / Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, 06.-08.08.2003, San Diego, California, United States / Lian, Tianquan; Dai, Hai-Lung (Eds.) 2003, pp. 9 – 23
  • 2002

  • Emmrich, Eva; Franzka, Steffen; Schmid, Günter; Majoral, Jean-Pierre
    Monolayers of a Fourth-Generation Thiol-Terminated Dendrimer
    In: Nano Letters , Vol. 2 2002, Nr. 11, pp. 1239 – 1242
  • Schulz, Frank; Franzka, Steffen; Schmid, Günter
    Nanostructured Surfaces by Deposition of Metal Nanoparticles by Means of Spray Techniques
    In: Advanced Functional Materials , Vol. 12 2002, Nr. 8, pp. 532 – 536
  • 2001

  • Sawitowski, Thomas; Franzka, Steffen; Beyer, Norbert; Levering, Matthias; Schmid, Günter
    Nanostructured Surfaces
    In: Advanced Functional Materials , Vol. 11 2001, Nr. 3, pp. 169 – 173
  • Schneider, Jörg J.; Engstler, Jörg; Franzka, Steffen; Hofmann, Kathrin; Albert, Barbara; Ensling, Jürgen; Gütlich, Philipp; Hildebrandt, Peter; Döpner, Susanne; Pfleging, Wilhelm; Günther, Bernd; Müller, Günter
    Carbon nanotube bags : catalytic formation, physical properties, two-dimensional alignment and geometric structuring of densely filled carbon tubes
    In: Chemistry - A European Journal , Vol. 7 2001, Nr. 13, pp. 2888 – 2895
  • Schneider, Jörg J.; Engstler, Jörg; Franzka, Steffen; Hofmann, Kathrin; Albert, Barbara; Ensling, Jürgen; Gütlich, Philipp; Hildebrandt, Peter; Dopner, Susanne; Pfleging, Wilhelm; Günther, Bernd; Müller, Günter
    Carbon nanotube bags : catalytic formation, physical properties, two-dimensional alignment and geometric structuring of densely filled carbon tubes [Corrigendum]
    In: Chemistry - A European Journal , Vol. 7 2001, Nr. 20, pp. 4323
  • 1996

  • Franzka, Steffen; Zum Gahr, K.h
    Microtribological studies of unlubricated sliding Si/Si contact in air using AFM/FFM
    In: Tribology Letters , Vol. 2 1996, Nr. 3, pp. 207 – 220


E-Mail: ican@uni-due.de

Dr.-Ing. Steffen Franzka
(AFM, SPM, LM)

NETZ
Carl-Benz-Str. 199
47047 Duisburg
Raum U1.14
Tel.: 0203 379-8031
E-Mail: steffen.franzka@uni-due.de