Achtung:

Sie haben Javascript deaktiviert!
Sie haben versucht eine Funktion zu nutzen, die nur mit Javascript möglich ist. Um sämtliche Funktionalitäten unserer Internetseite zu nutzen, aktivieren Sie bitte Javascript in Ihrem Browser.

Dr. Katharina Brassat

Kontakt
Profil
Vita
Publikationen
Dr. Katharina Brassat

Nanostrukturierung - Nanoanalytik - Photonische Materialien

PostDoc

Institut für Leichtbau mit Hybridsystemen (ILH)

Mitglied - Ehemalige - Assoziierte Kollegiatin im NRW-Forschungskolleg "Leicht - Effizient - Mobil"

DFG Graduiertenkolleg Micro- and Nanostructures in Optoelectronics and Photonics

Doktorandin - Ehemalige Kollegiatin im DFG Graduiertenkolleg "Micro- and Nanostructures in Optoelectronics and Photonics"

Telefon:
+49 5251 60-2734
Fax:
+49 5251 60-3247
Büro:
A4.222 (Karte)
Web:
Besucher:
Warburger Str. 100
33098 Paderborn
Postanschrift:
Warburger Str. 100
33098 Paderborn

Forschung

Large-area surface nanopatterning by self-assembly techniques:

  • Block copolymer lithography
  • Nanosphere lithography
  • Self-assembled monolayers (SAMs) + soft lithography

Application of nanopatterned surfaces for functional (bio-) interfaces

  • DNA origami arrays
  • Nanostructured protein coatings
  • Nanostructured electrodes for electrooptics in liquid crystals

Nanoparticles

  • Perovskite nanocrystals
  • Nobel metal nanoparticle placement
Lehre

Current teaching

  • Tutorials 'Physics and technology of nanomaterials'
  • Coordination 'Characterization techniques of solids'
  • Seminar 'Current topics of materials sciences'

Bachelor and Master thesis advising (Physics)

Project studies (Chemical engineering studies, Material sciences)

Teilnahme am 'Zertifikatsprogramm Professionelle Lehrkompetenz für die Hochschule' (Scholarship of teaching and learning) der Stabsstelle Bildungsinnovationen und Hochschuldidaktik

Workshops:

  • Teaching and learning
  • Competence-oriented teaching in lab courses for natural sciences
  • Diversity – Teaching in heterogeneous groups
  • Thesis advising
  • Teaching in higher education as career path and leadership resource
  • Communication – Student advising apart from scheduled meetings
Sonstiges
  • Coorganizer 'Young scientist forum - Frontiers in nanomaterials, nanosystems and interfaces' at the EMRS Fall Meeting 2018 in Warsaw, Poland
  • Portrait in 'Chancen ergreifen' - Zentrale Gleichstellungsmaßnahmen der Universität Paderborn
04/2018 - heute

PostDoc, Dept. of Physics, Paderborn University

Materials surface design

- Self-assembed nanopatterning: Block copolymer + nanosphere lithography

- Order and biointerfaces: DNA origamis, protein arrays

- Perovskite nanocrystals

- Biological cells on patterned Ti-6Al-4V alloys

04/2012 - 03/2018

PhD, Department of Physics, University of Paderborn

Thesis: Surface nanopatterning by self-assembly techniques: Nanosphere- and block copolymer lithography

- Nanosphere lithography

- Blockcopolymer lithography

- Soft lithography with PDMS

- (Template-assisted) self-assembly of colloidal nanoparticles

- Nanogap electrodes for dielectrophoresis

10/2010 - 03/2012

Master of Science in Chemistry at University of Paderborn

Focus "Optoelectronics and Photonics"

M. Sc. Thesis: Selbstorganisierte Anordnung von Nanokugeln auf vorstrukturierten Siliziumoberflächen, Lehrstuhl für Experimentalphysik

10/2007 - 09/2010

Bachelor of Science in Chemistry at University of Paderborn

B. Sc. Thesis: Neuartige flüssigkristalline Blue-Phase-Systeme, Lehrstuhl Physikalische Chemie

Peer reviewed publications

- K. Brassat, D. Kool. J. K. N. Lindner, Modification of block copolymer lithography masks by O2 plasma treatment: Insights from lift-off experiments, nanopore etching and free membranes, (2018) submitted

- K. Brassat, D. Kool, J. Bürger, J. K. N. Lindner, Hierarchical nanopores by block copolymer lithography on surfaces of different materials pre-patterned by nanosphere lithography, Nanoscale 10, 10005 (2018) DOI: 10.1039/C8NR01397G

- K. Brassat*, S. Ramakrishnan*, J. Bürger, M. Hanke, M. Doostdar, J. K. N. Lindner, G. Grundmeier, A. Keller, On the adsorption of DNA origami nanostructures in nanohole arrays, Langmuir (2018) DOI: 10.1021/acs.langmuir.8b00793

- A. A. Rüdiger, K. Brassat, J. K. N. Lindner, W. Bremser, O. I. Strube, Easily accessible protein nanostructures via enzyme mediated addressing, Langmuir 34, 4264 (2018), doi: 10.1021/acs.langmuir.7b04089

- A. Wolk, M. Rosenthal, S. Neuhaus, K. Huber, K. Brassat, J. K. N. Lindner, R. Grothe, G. Grundmeier, W. Bremser, R. Wilhelm, Functionalized graphene oxide quantum dots: synthesis, characterisation and application, Scientific reports 8, 5843, 2018, doi: 10.1038/s41598-018-24062-2

- M. Wahle, K. Brassat, J. Ebel, J. Bürger, J. K. N. Lindner, H.-S. Kitzerow, Two-dimensional switchable blue phase gratings manufactured by nanosphere lithography, Optics Express 25(19), 22608 (2017); doi: 10.1364/OE.25.022607

- T. Meyers, F. F. Vidor, K. Brassat, J. K. N. Lindner, U. Hilleringmann, Low-voltage DNTT-based thin-film transistors and inverters for flexible electronics, Microelectronic Engineering 174, 35 (2017); doi: 10.1016/j.mee.2016.12.018

- K. Brassat, F. Assion, U. Hilleringmann, J. K. N. Lindner, Self-organization of nanospheres in trenches on silicon surfaces, PSS a 210 (8), 1485-1489 (2013) (cover); doi: 10.1002/pssa.201200899

- K. Brassat, J. K. N. Lindner, A template-assisted self-organization process for the formation of a linear arrangement of pairs of metallic tips, MRS Online Proceedings Library 1663 (2014) mrsf13-1663-ww04-09

Conference contributions

- Plenary talk: K. Brassat, T. Riedl, J. K. N. Lindner, Self-assembled surface patterns for controlled nanoparticle placement and improved semiconductor heteroepitaxy, ICPAM 12, Heraklion, Greece, 22.-28.09.2018

- K. Brassat, G. Grundmeier, A. Keller, J. K. N. Lindner, With directed self-arrangement of DNA origami to large-area quantum dot arrays, EMRS Fall Meeting 2018, Warsaw, Poland, 17.-20.09.2018

- K. Brassat, D. Kool, J. K. N. Lindner, Hierarchical nanopore and nanoring arrays by self-assembly techniques, EMRS Fall Meeting 2018, Warsaw, Poland, 17.-20.09.2018

- Invited talk: K. Brassat, Protein and DNA origami arrays on large areas by directed self-assembly, EMRS Fall Meeting 2018, Warsaw, Poland, 17.-20.09.2018

- K. Brassat, A. Taube, D. Kool, L. Tasche, K. P. Hoyer, M. Schaper, J. K. N. Lindner, Ti-6Al-4V alloy: 3D printing of lightweight implants and nanopatterning by self-assembly, EMRS Fall Meeting 2018, Warsaw, Poland,17.-20.09.2018

- K. Brassat, A. Brüngeler, W. Bremser, O. Strube, J. K. N. Lindner, Nanoscopic protein arrays on BCP prepatterned surfaces, EMRS Spring Meeting 2018, Straßbourg, France, 18.-22.06.2018

- K. Brassat, D. Kool, A. Taube, M. Schaper, J. K. N. Lindner, Morphology investigation of nanopores by block copolymer lithography on different material surfaces, EMRS Spring Meeting 2018, Straßbourg, France, 18.-22.06.2018

- K. Brassat, S. Ramakrishnan, A. Keller, J. K. N. Lindner, Hierarchical nanopatterns by site-selective DNA origami adsorption on pre-patterned surface, MRS Spring Meeting 2018, Phoenix, Arizona, 02.-06.04.2018

- D. Kool, K. Brassat, J. K. N. Lindner, Hierarchical nanostructures by combining block copolymer and nanosphere lithography, Frühjahrstagung DPG 2018, Berlin, Germany, 11.-16.03.2018

- J. Bürger, K. Brassat, T. Meyers, U. Hilleringmann, J. K. N. Lindner, Large-area nanopatterns in elastomers by nanosphere mask replication, Frühjahrstagung DPG 2018, Berlin, Germany, 11.-16.03.2018

- K. Brassat, J. Bürger, D. Kool, J. K. N. Lindner, Micro- and nanopatterned surfaces with tailored chemical and topographical contrast by self-assembly techniques, EMRS Fall Meeting 2017, Warsaw, Poland, 18.-21.09.2017  

- Invited talk: K. Brassat, A. Keller, G. Grundmeier, W. Bremser, O. Strube, J. K. N. Lindner, Bioinspired material design by hierarchical self-assembly on prepatterned surfaces, EMRS Spring Meeting 2017, Strasbourg, France, 22.-26.05.2017

- K. Brassat, A. Keller, G. Grundmeier, W. Bremser, O. Strube, J. K. N. Lindner, Tailored antidot patterns created by nanosphere lithography for bioapplications, EMRS Spring Meeting 2017, Strasbourg, France, 22.-26.05.2017

- Invited talk: K. Brassat, J. K. N. Lindner, Hierarchical self-assembly by colloidal and block copolymer lithography, EMN Supramolecular Materials Meeting 2016, Berlin, Germany, 16.-20.08.2016    

- K. Brassat, D. Kool, J. K. N. Lindner, Hierarchically ordered nanopore structures formed by combined nanosphere and block copolymer lithography, EMRS Fall Meeting 2016, Warsaw, Poland, 19.-22.09.2016  

- K. Brassat, A. Rüdiger, J. Bürger, W. Bremser, O. Strube, J. K. N. Lindner, Enzyme mediated autodeposition of protein particles on nanosphere lithographically nanostructured surfaces, EMRS Fall Meeting 2016, Warsaw, Poland, 19.-22.09.2016

- K. Brassat, J. Bürger, M. Reineke, D. Briese, K. Duschik, M. Schaper, J. K. N. Lindner, Arrangement of perovskitic semiconductor nanoparticles using soft lithography, EMRS Fall Meeting 2016, Warsaw, Poland, 19.-22.09.2016 

- K. Brassat, A. Rüdiger, J. Bürger, W. Bremser, O. Strube, J. K. N. Lindner, Site-selective protein immobilization on regular antidot patterns fabricated by nanosphere lithography, EMRS Fall Meeting 2016, Warsaw, Poland, 19.-22.09.2016 

- R. A. Puglisi, C. Bongiorno, K. Brassat, C. Garozzo, A. La Magna, J. K. N. Lindner,  High-resolution TEM and STEM-EELS studies of colloidal Au nanoparticles self-assembled in nanometric SiO2 nanopore arrays fabricated by block-copolymer lithography, EMRS Fall Meeting 2016, Warsaw, Poland, 19.-22.09.2016 

   - K. Brassat, J. K. N. Lindner,  Sub-20 nm surface patterning by block copolymer lithography, Europhotonics Spring School 2016, Porquerolles, France, 30.03.-01.04.2016

- K. Brassat, Ch. Brodehl, M. Wahle, J. K. N. Lindner, Self-assembled nanogap electrodes in microfluidic channels, GRK Convention 2015, Paderborn, Germany, 24.-25.11.2015

- K. Brassat, Ch. Brodehl, J. K. N. Lindner, Self-assembled nanogap electrodes for the directed assembly of nanoparticles, EMRS Fall Meeting 2015, Warsaw, Poland, 14.-19.09.2015    

- C. Garozzo, K. Brassat, A. LaMagna, R. Puglisi, J. K. N. Lindner, Self-arrangement of colloidal Au Nanoparticles in SiO2-Nanopores fabricated by Block-Copolymer Lithography, EMRS Fall Meeting 2015, Warsaw, Poland, 14.-19.09.2015

-  D. Drude, K. Brassat, Ch. Brodehl, J. K. N. Lindner, Correlation between defect densities in colloidal nanosphere masks and experimental parameters, EMRS Fall Meeting 2015, Warsaw, Poland, 14.-19.09.2015   

- K. Brassat, Ch. Brodehl, M. Wahle, J. K. N. Lindner, Variable-distance nanogap electrodes in a microfluidic channel, GRK Convention 2014, Paderborn, Germany, 8.-9.12.2014

- K. Brassat, J. K. N. Lindner, Self-assembly for the directed self-assembly of smaller objects in a microfluidic channel, MRS Fall Meeting 2014, Boston, Massachusetts,30.11.-05.12.2014

- D. Drude, K. Brassat, Ch. Brodehl, Th. Riedl, J. K. N. Lindner, Numerical analysis of defects in colloidal nanosphere masks, EMRS Fall Meeting 2014, Warsaw, Poland, 15.-19.09.2014

- K. Brassat, Ch. Brodehl, J. Pauly, D. Drude, J. Achtelik, T. Riedl, J. K. N. Lindner, Surface patterning by nanosphere lithography, Workshop Ionenstrahlen und Nanostrukturen 2014, Paderborn, Germany, 20.-22.07.2014

- K. Brassat, C. Brodehl, M. Wahle, J. K. N. Lindner, Tuning the distance between opposing metallic nanotips formed by a template-assisted self-assembly process, MRS Spring Meeting 2014, San Francisco, California, 21.-25.04.2014

- K. Brassat, M. Wahle, J. K. N. Lindner, Template-assisted self-assembly process for the formation of nanogap electrodes, Europhotonics Spring School 2014, Porquerolles, France, 31.03.-03.04.2014

- K. Brassat, J. K. N. Lindner, A template-assisted self-organization process for the formation of a linear arrangement of pairs of metallic tips, MRS Fall Meeting 2013, Boston, Massachusetts,01.-06.12.2013

- K. Brassat, J. Pauly, R. Kemper, M. Strake, C. Brodehl, W. Sievers, T. Riedl, J. K. N. Lindner, Colloidal nano-lithography: state-of-the-art, 46th Biennial Meeting of the Colloid Society, Paderborn, Germany, 23.-25.09.2013

- K. Brassat, J. K. N. Lindner, Selective deposition of nanospheres in trenches on silicon surfaces by self-organisation, Frühjahrstagung DPG 2013, Regensburg, Germany, 10.-15.03.2013

- K. Brassat, F. Assion, U. Hilleringmann, J. K. N. Lindner, Self-organization of nanospheres in trenches on silicon surfaces, EMRS Fall Meeting 2012, Warsaw, Poland, 17.-21.09.2012

Die Universität der Informationsgesellschaft