个人简介
seit 2014
Habilitand und DFG Projektleiter: Studies on the synthesis, structure and functionalization of graphene oxide with regard to composite materials and electronic components, Friedrich- Alexander-Universität Erlangen-Nürnberg
11/2011 Wissenschaftlicher Assistent:
Synthesis and reactivity of graphene oxide, Central Institute for New Materials and Processes in Fürth, Friedrich-Alexander-Universität Erlangen-Nürnberg
09/2006-10/2010
Projektleiter: DIC Berlin GmbH, R&D Laboratory (Forschungsabteilung von Dainippon Ink and Chemicals, jetzt DIC Corporation, Japan)
Electroconductive Polymers – Functionalized Graphene
Electroconductive Polymers – Polythiophenes and Semiconductors
近期论文
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J. Walter, T. J. Nacken, C. Damm, T. Thajudeen, S. Eigler, W. Peukert Determination of the Lateral Dimension of Graphene Oxide Nanosheets Using Analytical Ultracentrifugation Small 2015, 11, 814–825 Cover image: Small, 2015, 11, 761. Link [nsbp]
S. Eigler Graphite Sulphate - A Precusrsor to Graphene Chemical Communications 2015, 51, 3162-3165
C. D. Wessendorf, R. Eigler, S. Eigler, J. Hanisch, A. Hirsch, E. Ahlswede Investigation of pentaarylazafullerenes as acceptor systems for bulk-heterojunction organic solar cells Sol. Energ. Mat. Sol. C. 2015, 132, 450-454
S. Eigler Oxo-Functionalized Graphene Z. anorg. allg. Chem. 2014, 640, 2329
S. Eigler Mechanistic insights into the reduction of graphene oxide addressing its surfaces Phys. Chem. Chem. Phys. 2014, 16, 9832-9835
R. Flynt, W. Knolle, A. Kahnt, S. Eigler, A. Lotnyk, T. Häuptl, A. Prager, D. Guldi, B. Abel Efficient route to high-quality graphene materials: Kinetically controlled electron beam induced reduction of graphene oxide in aqueous dispersion American Journal of Nano Research and Application 2014, 2, 9-18
Z. Wang, S. Eigler, M. Halik Scalable self-assembled reduced graphene oxide transistors on flexible substrate Applied Physics Letters 2014, 104, 243502
S. Eigler, A. Hirsch Chemistry with Graphene and Graphene Oxide - Challenges for Synthetic Chemists Angewandte Chemie International Edition 2014, 53, 7720-7738
Z. Wang, J. Kirschner, S. Eigler, H. P. Steinrück, C. Jäger, A. Hirsch, T. Clark, M. Halik Driving forces for the self-assembly of graphene oxide on organic monolayers Nanoscale 2014, 6, 11344-11350
S. Eigler, F. Hof, M. Enzelberger-Heim, S. Grimm, P. Müller, A. Hirsch Statistical raman microscopy and atomic force microscopy on heterogeneous graphene obtained after reduction of graphene oxide Journal of Physical Chemistry C 2014, 118, 7698-7704 Graphene oxide can be used as a precursor to graphene, but the quality of graphene flakes is highly heterogeneous. Scanning Raman microscopy (SRM) is used to characterize films of graphene derived from flakes of graphene oxide with an almost intact carbon framework (ai-GO). The defect density of these flakes is visualized in detail by analyzing the intensity and full width at half-maximum of the most pronounced Raman peaks. In addition, we superimpose the SRM results with AFM images and correlate the spectroscopic results with the morphology. Furthermore, we use the SRM technique to display the amount of defects in a film of graphene. Thus, an area of 250 × 250 μm2 of graphene is probed with a step-size increment of 1 μm. We are able to visualize the position of graphene flakes, edges and the substrate. Finally, we alter parameters of measurement to analyze the quality of graphene in a fast and reliable way. The described method can be used to probe and visualize the quality of graphene films. © 2014 American Chemical Society. [nsbp]
S. Eigler, A. Hirsch Chemie mit Graphen und Graphenoxid - Eine Herausforderung für Synthesechemiker Angewandte Chemie 2014, 126, 7852-7872
S. Eigler, S. Grimm, A. Hirsch Investigation of the Thermal Stability of the Carbon Framework of Graphene Oxide Chemistry - A European Journal 2014, 20, 984-989
S. Eigler, Y. Hu, Y. Ishii, A. Hirsch Controlled Functionalization of Graphene Oxide with Sodium Azide Nanoscale 2013, 5, 12136-12139
S. Eigler, S. Grimm, F. Hof, A. Hirsch Graphene oxide: a stable carbon framework for functionalization Journal of Materials Chemistry A 2013, 1, 11559-11562
S. Eigler, S. Grimm, M. Enzelberger, A. Hirsch Graphene Oxide: Efficiency of Reducing Agents Chemical Communications 2013, 49, 7391-7393
F. Hof, S. Bosch, S. Eigler, F. Hauke, A. Hirsch New Basic Insight into Reductive Functionalization Sequences of Single Walled Carbon Nanotubes (SWCNTs) Journal of the American Chemical Society 2013, 135, 18385-18395 The reactivity of reduced single walled carbon nanotubes (SWCNTs) (carbon nanotubides), prepared under strict inert conditions in a glovebox with respect to the covalent functionalization with hexyl iodide and subsequent exposure to ambient conditions (air, moisture), was systematically investigated by Raman, absorption, fluorescence, and IR spectroscopy as well as by TG/MS measurements. We have discovered that the alkylation does not lead to a complete discharging of the tubes since follow-up reactions with moisture still take place leading to mixed functionalized carbon nanotube derivatives containing H- and OH-addends (but no carboxylates) next to the hexyl groups. [nsbp]
Z. Wang, S. Mohammadzadeh, T. Schmaltz, J. Kirschner, A. Khassanov, S. Eigler, U. Mundloch, C. Backes, H. Steinrück, A. Magerl, F. Hauke, A. Hirsch, M. Halik Region-Selective Self-Assembly of Functionalized Carbon Allotropes from Solution ACS Nano 2013, 7, 11427-11434 Approaches for the selective self-assembly of functionalized carbon allotropes from solution are developed and validated for 0D-fullerenes, 1D-carbon nanotubes and 2D-graphene. By choosing the right molecular interaction of self-assembled monolayers (serving the surface) with the functionalization features of carbon materials, which provide the solubility but also serve the driving force for assembly, we demonstrate a region-selective and self-terminating assembly of the materials. Active layers of the carbon allotropes can be selectively deposited in the channel region of thin-film transistor (TFT) devices by this approach. As an example for a 0D system, molecules of C60 functionalized octadecylphosphonic acids are used to realize self-assembled monolayer field-effect transistors (SAMFETs) based on a selective molecular exchange reaction of stearic acid in the channel region. For noncovalently functionalized single-walled carbon nanotubes (SWCNTs) and graphene oxide (GO) flakes, the electrostatic Coulomb interactions between the functional groups of the carbon allotropes and the charged head groups of a SAM dielectric layer are utilized to implement the selective deposition. [nsbp]
S. Eigler, C. Dotzer, F. Hof, W. Bauer, A. Hirsch Sulfur Species in Graphene Oxide Chemistry-A European Journal 2013, 19, 9490-9496
N. V. Kozhemyakina, S. Eigler, R. E. Dinnebier, A. Inayat, W. Schwieger, A. Hirsch The Effect of the Structure and Morphology of Natural, Synthetic and Post-Processed Graphites on Their Dispersibility and Electronic Properties Fullerenes, Nanotubes and Carbon Nanostructures 2013, 21, 804-823
S. Eigler, M. Enzelberger, S. Grimm, P. Hofmann, W. Kroener, C. Dotzer, M. Röckert, J. Xiao, C. Papp, O. Lytken, H. -. Steinrück, P. Müller, A. Hirsch Wet Chemical Synthesis of Graphene Advanced Materials 2013, 25, 3583-3587
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