Felix R. Fischer

from Wikipedia, the free encyclopedia
Thisbe Lindhorst awards the Carl Duisberg Memorial Prize to Felix R. Fischer (2016)

Felix Raoul Fischer (born May 12, 1980 in Heidelberg ) is a German chemist ( supramolecular chemistry , macromolecular chemistry , materials science and nanosciences , molecular electronics ).

Live and act

Fischer received his diploma in chemistry from the Ruprecht-Karls-Universität Heidelberg in 2004 and received his doctorate from the ETH Zurich in 2008 . After that he was a post-doctoral student and scholarship holder of the Leopoldina at Columbia University until 2011 . He is an Associate Professor of Chemistry at the University of California, Berkeley .

Together with his group, he constructs materials for molecular electronics (photovoltaic cells, organic field effect transistors, integrated molecular circuits) that are precisely defined at the atomic level. Among other things, he uses scanning probe microscopy .

In 2013 at the University of Berkeley, Fischer and Michael Crommie made the first direct recording of how an organic molecule changes in a reaction. Phenol rings linked via carbon atoms with triple bonds (ethyne) were the starting molecule; After heating, the molecules condensed into different interconnected ring structures made up of five and six rings, which could also be displayed. They used a scanning probe microscopy technique developed by Gerhard Meyer and Leo Gross , in which an organic molecule is located at the tip of the probe.

Together with his group, he is looking for synthetic methods that determine the structure of materials from the nanoscale (individual molecules) down to the millimeter range (in which the interaction of the molecules with one another has so far been less precisely controlled) by self-assembly. He uses methods from supramolecular chemistry and from the chemistry of complexes of protein ligands. He also studies monatomic graphene nanostrips and their semiconductor properties. Here, too, he is looking for synthetic methods that determine the structure precisely and in a controlled manner. Another focus of his group is the development of regio- and stereoselective catalysts similar to biological enzymes, but with a broader applicability in terms of substrate type and catalyzed reactions. These should be able to activate double bonds on the target molecule in a targeted manner.

In 2016 he received the Carl Duisberg Memorial Prize .

Fonts (selection)

  • DG de Oteya, P. Gorman, Y.-C. Chen, S. Wickenburg, A. Riss, DJ Mowbray, G. Etkin, Z. Pedramrazi, H.-Z. Tsai, A. Rubio, MF Crommie, FR Fischer: Direct Imaging of Covalent Bond Structure in Single-Molecule Chemical Reactions , Science, Volume 340, 2013, pp. 1434-1437.
  • with Y.-C. Chen, MF Crommie, et al. a .: Tuning the Bandgap of Graphene Nanoribbons Synthesized from Molecular Precursors , ACS Nano, Volume 7, 2013, pp. 6123-6128.
  • with A. Riss, M. Crommie u. a .: Local Electronic and Chemical Structure of Oligo-acetylene Derivatives Formed Through Radical Cyclizations at a Surface , NANO Letters, Volume 14, 2014, pp. 2251-2255.
  • with Y.-C. Chen, M. Crommie, et al. a .: Molecular Bandgap Engineering of Bottom-Up Synthesized Graphene Nanoribbon Heterojunctions , Nature Nanotechnology, Volume 10, 2015, pp. 156-160.
  • with C. Rogers, M. Crommie a. a .: Closing the Nanographene Gap: Surface-Assisted Synthesis of Peripentacene from 6,6'-Bipentacene Precursors , Angewandte Chemie Int. Ed., Vol. 54, 2015, pp. 15143-15146.
  • with A. Riss, M. Crommie u. a .: Imaging Single-Molecule Reaction Intermediates Stabilized by Surface Dissipation and Entropy , Nature Chemistry, Volume 7, 2016, pp. 678-683.
  • with T. Marangoni, RR Cloke: Aromatic Molecules on Metallic Surfaces: Structure and Reactivity , in: F. Hof, D. Johnson (Eds.), Aromatic Interactions - Frontiers in Knowledge and Application, RCS Monographs in Supramolecular Chemistry, 2016, p 238-276.
  • with DJ Rizzo, M. Crommie u. a .: Topological Volume Engineering of Graphene Nanoribbons , Nature, Volume 560, 2018, pp. 204-206.

Web links

Individual evidence

  1. ^ Felix Raoul Fischer: Molecular Torsion Balances: Measurement of Favorable Orthogonal Dipolar Interactions. Doctoral Thesis, 2008.
  2. Crommie, Fisch u. a .: Direct Imaging of Covalent Bond Structure in Single-Molecule Chemical Reactions, Science, Volume 340, 2013, p.