Julien Gorenflot, Ph.D.

Research Scientists

Research Scientist in Laquai group

Research Interests

  • Organic semiconductors, organic photovoltaics.
  • Excited states spectroscopy.
  • Modeling of transient opto-electronic phenomena (bimolecular recombination, energetic disorder, energy levels, densities of states, etc.).
  • Excitons binding energies, charge transfer states energy.

Selected Publications

  • Effect of Quencher, Geometry, and Light Outcoupling on the Determination of Exciton Diffusion Length in Nonfullerene Acceptors.                                                                                                                                         

    V. Belova, A. Perevedentsev, J. Gorenflot, C. S. P. De Castro, M. Casademont-Viñas, S. H. K. Paleti, S. Karuthedath, D. Baran, F. Laquai, M. Campoy-Quiles.                                                                                                                                     Solar RRL. https://doi.org/10.1002/solr.202100822 

  • From Recombination Dynamics to Device Performance: Quantifying the Efficiency of Exciton Dissociation, Charge Separ... 
    J. Gorenflot, A. Paulke, F. Piersimoni, J. Wolf, Z. Kan, F. Cruciani, A. El Labban, D. Neh...
    Advanced Energy Materials, 2018, 8(4), 1701678., (2018)
  • Triphenylamine-Based Push–Pull σ–C60 Dyad As Photoactive Molecular Material for Single-Component Organic Solar Cell... 
    •A. Labrunie, J. Gorenflot, M. Babics, O. Alévêque, S. Dabos-Seignon, A. H. Balawi, Z. Kan...
    Chemistry of Materials Article ASAP, 2018, 10.1021/acs.chemmater.8b01117. , (2018)
  • Nongeminate recombina-tion in neat P3HT and P3HT:PCBM blend films 
    J. Gorenflot, M. C. Heiber, A. Baumann, J. Lorrmann, M. Gunz, A. Kaempgen, V. Dyakonov and...
    The Journal of Applied Physics, 114 (14):144502, (2014)
  • Detailed study of N,N’–(diisopropylphenyl)– terrylene-3,4:11,12-bis(dicarboximide) as electron acceptor for solar c... 
    J. Gorenflot, A. Sperlich, A. Baumann, D. Rauh, A. Vasilev, C. Li, M. Baumgarten, C. Deibe...
    solar cells application. Synthetic Metals, 161(23 24):2669, 2012 , (2012)
  • Absence of postnanosecond charge carrier relaxation in poly(3-hexylthiophene)/fullerene blends 
    T. J. Savenije, D. H. K. Murthy, M. Gunz, J. Gorenflot, L. D. A. Siebbeles, V. Dyakonov, a...
    The Journal of Physical Chemistry Letters, 2(12):1368, (2011)
  • Energy levels and exciton binding energy in the conjugated polymer poly(3-hexyl thiophene) 
    C. Deibel, D. Mack, J. Gorenflot, A. Schoell, S. Krause, F. Reinert, D. Rauh, and V. Dyako...
    Physical Re- view B, 81:085202, (2010)
  • Mixed Domains Enhance Charge Generation and Extraction in Bulk-Heterojunction Solar Cells with Small-Molecule Donor... 
    •O.Alqahtani, M. Babics, J. Gorenflot, V. Savikhin, T. Ferron, A. H. Balawi, A. Paulke, Z....
    Advanced Energy Materials, 2018, 1702941., (2018)



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

Professional Profile

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

Scientific and Professional Membership

  • Deutsche Physikalische Gesellschaft (DPG)

KAUST Affiliations

  • ​KAUST Solar Center (KSC)
  • Division of Physical Science and Engineering (PSE)

Research Interests Keywords

​Transient absorption photo-induced absorption excitons binding energy charges generation bimolecular recombination geminate recombination energetic disorder binding energy