In-situ Ellipsometry

Swelling of Polymer Films:

  • Magnozzi, M.; Brasse, Y.; König, T.; Bisio, F.; Bittrich, E.; Fery, A.; Canepa, M. Plasmonics of Au/polymer core/shell nanocomposites for thermoresponsive hybrid metasurfaces ACS Applied Nano Materials 2020, 3, 1674-1682.
  • Yong, H.; Bittrich, E.; Uhlmann, P.; Fery, A.; Sommer, J.-U. Co-nonsolvency transition of poly(N-isopropylacrylamide) brushes in a series of binary mixtures Macromolecules 2019, 52, 6285-6293.
  • Bittrich, E.; Burkert, S.; Müller, M.; Eichhorn, K.-J.; Stamm, M.; Uhlmann, P. Temperature sensitive swelling of poly(N-isopropylacrylamide) brushes with low molecular weight and grafting density Langmuir 2012, 28 3439-3448.

Biomolecule Interaction:

  • Millican, J.; Bittrich, E.; Caspari, A.; Pöschel, K.; Drechsler, A.; Freudenberg, U.; Ryan, T. G.; Thompson, R. L.; Pospiech, D.; Hutchings, L. Synthesis and characterisation of a mussel-inspired hydrogel film coating for biosensors European Polymer Journal 2021, 153, 110503.
  • Kroning, A.; Furchner, A.; Aulich, D.; Bittrich, E.; Rauch, S.; Uhlmann, P.; Eichhorn, K.-J.; Seeber, M.; Luzinov, I.; Killbey II, S. M.; Lokitz, B. S.; Minko, S.; Hinrichs, K. In-situ infrared ellipsometry for protein adsorption studies on ultrathin smart polymer brushes in aqueous environment ACS Applied Materials & Interfaces 2015, 7, 12430-12439.
  • Psarra, E.; König, U.; Ueda, Y.; Bellmann, C.; Janke, A.; Bittrich, E.; Eichhorn, K.-J.; Uhlmann, P. Nanostructured biointerfaces: Nanoarchitectonics of thermoresponsive polymer brushes impact protein adsorption and cell adhesion ACS Applied Materials & Interfaces 2015, 7, 12516-12529.
  • Burkert, S.; Bittrich, E.; Kuntzsch, M.; Müller, M.; Eichhorn, K.-J.; Uhlmann, P.; Stamm, M. Protein resistance of PNIPAAm brushes: Application to switchable protein adsorption Langmuir 2010, 26, 1786-1795.

Coupling of in-situ Ellipsometry and Quartz Crystal Microbalance:

  • König, M.; Rodenhausen, K. B.; Rauch, S.; Bittrich, E.; Eichhorn, K.-J.; Schubert, M.; Stamm, M.; Uhlmann, P. Salt sensitivity of the thermoresponsive behavior of PNIPAAm brushes Langmuir 2018, 34, 2448-2454.
  • Bittrich, E.; Rodenhausen, K. B.; Eichhorn, K.-J.; Hofmann, T.; Schubert, M.; Stamm, M.; Uhlmann, P. Protein adsorption on and swelling of polyelectrolyte brushes: A simultaneous ellipsometry-quartz crystal microbalance study Biointerphases 2010, 5, 159-167.

Organic electronics

  • Kublitski, J.; Fischer, A.; Xing, S.; Baisinger, L.; Bittrich, E.; Spoltore, D.; Benduhn, J.; Vandewal, K.; Leo, K. Enhancing sub-bandgap external quantum efficiency by photomultiplication for narrowband organic near-infrared photodetectors Nature Communications 2021, 12, 4259.
  • Chae, S.; Choi, W.J.; Fotev, I.; Bittrich, E.; Uhlmann, P.; Schubert, M.; Makarov, D.; Wagner, J.; Pashkin, A.; Fery, A. Stretchable thin film mechanical-strain-gated switches and logic gate functions based on a soft tunneling barrier Advanced Materials, 2021, 2104769.
  • Bittrich, E.; Domke, J.; Jehnichen, D.; Bittrich, L.; Malanin, M.; Janke, A.; Uhlmann, P.; Eichhorn, K.-J.; Papamichail, A.; Stanishev, V.; Darakchieva, V.; Al-Hussein, M.; Levichkova, M.; Fritz, T.; Walzer, K. Morphology of Thin Films of Aromatic Ellagic Acid and Its Hydrogen Bonding Interactions. J. Phys. Chem. C 2020, 124, 16381–16390.
  • Kraner, S.; Koerner, C.; Leo, K.; Bittrich, E.; Eichhorn, K.-J.; Karpov, Y.; Kiriy, A.; Stamm, M.; Hinrichs, K.; Al-Hussein, M.; Dielectric function of a poly(benzimidazobenzophenanthroline) ladder polymer Phys. Rev. B 2015, 91, 195202.


  • Bittrich E. et al. (2018) Polymer Brushes, Hydrogels, Polyelectrolyte Multilayers: Stimuli-Responsivity and Control of Protein Adsorption. In: Hinrichs K., Eichhorn KJ. (eds) Ellipsometry of Functional Organic Surfaces and Films. Springer Series in Surface Sciences, vol 52. Springer, Cham.
  • Erber M., Tress M., Bittrich E., Bittrich L., Eichhorn KJ. (2018) Glass Transition of Polymers with Different Architectures in the Confinement of Nanoscopic Films. In: Hinrichs K., Eichhorn KJ. (eds) Ellipsometry of Functional Organic Surfaces and Films. Springer Series in Surface Sciences, vol 52. Springer, Cham.
  • Bittrich, E., Stamm, M. and Uhlmann, P. (2017). Functional Biointerfaces Tailored by “Grafting‐To” Brushes. Chapter 10 in Polymer and Biopolymer Brushes (eds O. Azzaroni and I. Szleifer). John Wiley & Sons, Inc.
  • Bittrich, Eva and Eichhorn, Klaus-Jochen. "8. Advances of spectroscopic ellipsometry in the analysis of thin polymer films-polymer interfaces". Polymer Surface Characterization, edited by Luigia Sabbatini, Berlin, Boston: De Gruyter, 2014, 247-286.
  • Bittrich, E. ; Burkert, S. ; Eichhorn, K.-J. ; Stamm, M. ; Uhlmann, P. Control of protein adsorption and cell adhesion by mixed polymer brushes made by the "grafting-to" approach. In: Proteins at Interfaces III State of the Art (eds. T. Horbett, JL. Brash, W. Norde) American Chemical Society 1120 (2012) 179-193.


The complete list of publications can be found here.