Publications
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Recent Publications
Primary nucleation in metastable solutions of poly(3-hexylthiophene)
Tianyu Wu, Sivasurender Chandran, Yao Zhang, Tianze Zheng, Thomas Pfohl, Jun Xu, Günter Reiter. Macromolecules 55 (2022) 3325–3334
Due to its smallness and low probability of formation, the determination of the size of the critical primary nucleus represents a great challenge in polymer crystallization. We are still missing a feasible approach providing experimental access to primary nucleation. In this work, we investigated the dependence of the incubation time on the degree of supersaturation for a well-defined metastable regime of a prototypical conjugated polymer, i.e., poly(3-hexylthiophene). Based on Kashchiev’s nucleation theorem and verified by a simulation model for primary nucleation based on the kinetics of attaching and detaching crystalline units, we deduced the number of crystalline units within the critical nucleus [more...]
Yaser AlShetwi, Brahim Bessif, Michael Sommer, Günter Reiter. Macromolecules 54, 2021, 11478–11485
Using the set-up of an optical microscope, we have examined the influence of illumination with white light on the crystallization behavior in molten films of poly(3-(2,5-dioctylphenyl)thiophene) and poly(3-hexylthiophene). We observed a reduction in nucleation density and crystal growth rate induced by illumination. The amount of this reduction increased with the increase in light intensity. Melting samples previously crystallized under illumination and recrystallizing them in the dark showed full reversibility of the crystallization behavior, demonstrating that these changes in the crystallization behavior induced by illumination were not permanent. (mehr...)
Cuong Minh Quoc Le, Gautier Schrodj, Ibrahima Ndao, Brahim Bessif, Barbara Heck, Thomas Pfohl, Günter Reiter, Justine Elgoyen, Radmila Tomovaska and Abraham Chemtob. Macromol. Rapid Commun. 2021, 2100740
A photocatalytic thiol-ene aqueous emulsion polymerization under visible-light is described to prepare linear semicrystalline latexes using 2,2’-dimercaptodiethyl sulfide as dithiol and various dienes. The procedure involves low irradiance (3 mW cm–2), LED irradiation source, eosin-Y disodium as organocatalyst, low catalyst loading (< 0.05% mol) and short reaction time scales (< 1 h). The resulting latexes has molecular weights of about 10 kg mol–1, average diameters of 100 nm and a linear structure consisting only of thioether repeating units. (more...)
List of Publications
- Generating Nanoscopic Patterns in Conductivity Within a Poly(3-hexylthiophene) Crystal Via Bias-controlled Scanning Probe Nanolithography
- Binghua Wang, Bin Zhang, Changyu Shen, Jingbo Chen, Günter Reiter. Macromolecules 51 (2018) 7692-7698
- Systematic Control of Self-Seeding Crystallization Patterns of Poly(ethylene oxide) in Thin Films
- Binghua Wang, Shaohua Tang, Yan Wang, Changyu Shen, Renate Reiter, Günter Reiter, Jingbo Chen, Bin Zhang. Macromolecules 51, 1626–1635 (2018)
- Tuning relaxation dynamics and mechanical properties of polymer films of identical thickness
- Marwa Kchaou, Pierre Alcouffe, Sivasurender Chandran, Philippe Cassagnau, Günter Reiter, and Samer Al Akhrass. Phys. Rev. E 97, 032507 (2018)
- Highly n-doped graphene generated through intercalated terbium atoms
- L. Daukiya, M. N. Nair, S. Hajjar-Garreau, F. Vonau, D. Aubel, J. L. Bubendorff, M. Cranney, E. Denys, A. Florentin, G. Reiter, and L. Simon. Phys. Rev. B 97, 035309 (2018)
- Formation of Periodically Modulated Polymer Crystals
- Purushottam Poudel. Inauguraldissertation 2018
- Pneumatically Controlled Nanofluidic Devices for Contact-Free Trapping and Manipulation of Nanoparticles
- Michael Adrian Gerspach, Nassir Mojarad, Deepika Sharma, Yasin Ekinci,and Thomas Pfohl. Part. Part. Syst. Charact. 2018, 1800161
- Monitoring single-cell gene regulation under dynamically controllable conditions with integrated microfluidics and software
- M. Kaiser, F. Jug, T. Julou, S. Deshpande, T. Pfohl, O. K. Silander, G. Myers, E. van Nimwegen, Nature Communications 9, 212 (2018)
- Growth Kinetics of Stacks of Lamellar Crystals in Polymer Thin Films
- Sumit Majumder. Inauguraldissertation 2018
- Optical studies on indicators of order and disorder in films and crytals of a bulky substituted polythiophene
- Fanuel Mugwanga Keheze. Inauguraldissertation 2018
- Multiple structural transitions in Langmuir monolayers of charged soft-shell nanoparticles
- Ahmed El-Tawargy, David Stock, Markus Gallei, Wael Ramadan, Mamdoh Shams El-Din, Günter Reiter, Renate Reiter. Langmuir 34, 3909−3917 (2018)
- Thermodynamic origin of multi-layer structures in Langmuir polymer films
- Volker Knecht, Günter Reiter, Renate Reiter. Langmuir 33 (2017) 11399–11405
- Structure Formation in Langmuir Peptide Films As Revealed from Coarse-Grained Molecular Dynamics Simulations
- Volker Knecht, Günter Reiter, Helmut Schlaad, and Renate Reiter. Langmuir 33 (2017) 6492-6502
- Schnecken als lebende 3D-Drucker: freie Formen für die Architektur von morgen
- Christoph Allgaier, Benjamin Felbrich, Frederik Wulle, Emna Khechine, James H. Nebelsick, Achim Menges, Günter Reiter, Renate Reiter, Armin Lechler, Alexander Verl, Karl-Heinz Wurst. Baubionik – Biologie beflügelt Architektur, Publisher: Naturkundemuseum Stuttgart 2017
- Signatures of Melting and Recrystallization of a Bulky Substituted Poly(thiophene) Identified by Optical Spectroscopy
- Fanuel Keheze, Dominic Raithel, Tianyu Wu, Daniel Schiefer, Michael Sommer, Richard Hildner, Günter Reiter. Macromolecules 50 (2017) 6829–6839
- Triple-Shape Memory Materials via Thermoresponsive Behavior of Nanocrystalline Non-Isocyanate Polyhydroxyurethanes
- Vitalij Schimpf, Barbara Heck, Günter Reiter, Rolf Mülhaupt. Macromolecules 50 (2017) 3598–3606
- Semicrystalline long-chain polyphosphoesters from polyesterification
- Hanna Busch, Sumit Majumder, Guenter Reiter, Stefan Mecking. Macromolecules 50 (2017) 2706–2713
- Blocking of injected holes at the charge extracting interface
- L. Govor, G. Reiter, J. Parisi. Journal of Physics, Condensed Matter 29 (2017) 025001
- Relaxing Non-equilibrated Polymers in Thin Films at Temperatures Slightly Above the Glass Transition
- Mithun Chowdhury, Samer Al Akhrass, Falko Ziebert, Günter Reiter. Journal of Polymer Science Part B: Polymer Physics 55 (2017) 515–523
- Solvent-controlled reversible switching between adsorbed self-assembled nanoribbons and nanotubes
- Asad Jamal, Irina Nyrkova, Philippe Mesini, Swann Militzer and Günter Reiter. Nanoscale 9 (2017) 3293-3303
- Low Loss Optical Waveguiding in Large Single Crystals of Thiophene-Based Oligomers
- Sajedeh Motamen, Christian Schörner, Dominic Raithel, Jean-Pierre Malval, Thibaut Jarrosson, Françoise Serein-Spirau, Laurent Simon, Richard Hildner, Günter Reiter. Physical Chemistry Chemical Physics 19 (2017) 15980 - 15987