Ultrafast Dynamics Group
Frédéric Laquai's Group


Julien Gorenflot

Research Scientists

Selected Publications

  • S. Karuthedath, J. Gorenflot, A. Melianas, Z. Kan, M. Kemerink, F. Laquai. Build-up of Triplet State Population in Operating TQ1:PC71BM Devices Does Not Limit Their Performance .

    J. Phys. Chem. Lett. 2020, DOI: 10.1021/acs.jpclett.0c0075​

  • S. Karuthedath, J. Gorenflot, Y. Firdaus, W-Y. Sit, F. Eisner, A. Seitkhan, M. K.Ravva, T. D. Anthopoulos, F. Laquai. Charge and Triplet Exciton Generation in Neat PC70BM Films and Hybrid CuSCN:PC70BM Solar Cells. Advanced Energy Materials, 2018,1802476, DOI: 10.1002/aenm.201802476 .​
  • A. Labrunie, J. Gorenflot, M. Babics, O. Alévêque, S. Dabos-Seignon, A. H. Balawi, Z. Kan, M. Wohlfahrt, E. Levillain, P. Hudhomme, P. M. Beaujuge, F. Laquai, C. Cabanetos, and P. Blanchard. Triphenylamine-Based Push–Pull σ–C60 Dyad As Photoactive Molecular Material for Single-Component Organic Solar Cells: Synthesis, Characterizations, and Photophysical Properties.​ Chemistry of Materials Article ASAP, 2018, 10.1021/acs.chemmater.8b01117​
  • J. Gorenflot, A. Paulke, F. Piersimoni, J. Wolf, Z. Kan, F. Cruciani, A. El Labban, D. Neher, P. M. Beaujuge, and F. Laquai. From Recombination Dynamics to Device Performance: Quantifying the Efficiency of Exciton Dissociation, Charge Separation, and Extraction in Bulk Heterojunction Solar Cells with Fluorine-Substituted Polymer Donors. Advanced Energy Materials, 2018, 8(4), 1701678.​
  • O. Alqahtani, M. Babics, J. Gorenflot, V. Savikhin, T. Ferron, A. H. Balawi, A. Paulke, Z. Kan, M. Pope, A. J. Clulow, D. Neher, M. F. Toney, F. Laquai, P. M. Beaujuge, and B. A. Collins. Mixed Domains Enhance Charge Generation and Extraction in Bulk-Heterojunction Solar Cells with Small-Molecule Donors. Advanced Energy Materials, 2018, 8(19), 1702941.
  • J. Gorenflot, M. C. Heiber, A. Baumann, J. Lorrmann, M. Gunz, A. Kämpgen, V. Dyakonov and C. Deibel. Nongeminate recombination in neat P3HT and P3HT:PCBM blend films. The Journal of Applied Physics, 114 (14):144502, 2014.
  • J. Gorenflot, A. Sperlich, A. Baumann, D. Rauh, A. Vasilev, C. Li, M. Baumgarten, C. Deibel and V. Dyakonov. Detailed study of N,N’–(diisopropylphenyl)– terrylene-3,4:11,12-bis(dicarboximide) as electron acceptor for solar cells application.Synthetic Metals, 161(23– 24):2669, 2012.
  • T. J. Savenije, D. H. K. Murthy, M. Gunz, J. Gorenflot, L. D. A. Siebbeles, V. Dyakonov, and C. Deibel. Absence of postnanosecond charge carrier relaxation in poly(3-hexylthiophene)/fullerene blends. The Journal of Physical Chemistry Letters, 2(12):1368, 2011
  • C. Deibel, D. Mack, J. Gorenflot, A. Schöll, S. Krause, F. Reinert, D. Rauh and V. Dyakonov. Energetics of excited states in the conjugated polymer poly(3-hexylthiophene). Phys.Rev. B 81, 085202​, 2010​.​


  • Ph.D. in Physics, University of Würzburg, Germany, 2015
  • M.Sc in Physics, Louis Pasteur University, France, 2006
  • M.Sc in Engineering, University of Strasbourg, France, 2006

Professional Profile

  • ​2015: Postdoctoral Fellow, Max Planck Institute for Polymer Research, Mainz, Germany 

Scientific and Professional Memberships

  • ​​Member, Deutsche Physikalische Gesellschaft​ (DPG)