Julien Gorenflot

Research Scientists



Al Kindi B5/L3 3231-WS03

Selected Publications

  • M. Saladina, P. Simón Marqués, A. Markina, S. Karuthedath, C. Wöpke, C. Göhler, Y. Chen, M. Allain, P. Blanchard, C. Cabanetos, D. Andrienko, F. Laquai, J. Gorenflot, and C. Deibel. Charge Photogeneration in Non-Fullerene Organic Solar Cells: Influence of Excess Energy and Electrostatic Interactions Adv. Funct. Mater. DOI: 10.1002/adfm.202007479 (2020).
  • S. Karuthedath , J. Gorenflot , Y. Firdaus , et al. Intrinsic efficiency limits in low-bandgap non-fullerene acceptor organic solar cells. Nat. Mater. DOI: 10.1038/ s41563-020-00835-x (2020)
  • A. H. Balawi, Z. Kan, J. Gorenflot, P. Guarracino, N. Chaturvedi, A. Privitera, S. Liu, Y. Gao, L. Franco, P. Beaujuge, F. Laquai. Quantification of Photophysical Processes in All-PolymerBulk Heterojunction Solar Cells. Solar RRL. DOI: 10.1002/solr.202000181 (2020).
  • 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. DOI: 10.1021/acs.jpclett.0c0075​ (2020).
  • 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. DOI: 10.1002/aenm.201802476 (2018).
  • 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. DOI: 10.1021/acs.chemmater.8b01117​ (2018). 
  • 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. DOI: 10.1002/aenm.201701678 (2018).
  • 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. DOI: 10.1002/aenm.201702941 (2018).
  • 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. DOI: 10.1063/1.4870805 (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, DOI:10.1016/j.synthmet.2011.09.04 (2012).
  • 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. DOI: 10.1021/jz200569h (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. DOI: 10.1103/PhysRevB.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 Membership

    ● Member, Deutsche Physikalische Gesellschaft(DPG)

    Research Interests Keywords

    Organic Solar Cells Transient Absorption Spectroscopy Photoluminescence Spectroscopy Photophysics Charge Carrier Dynamics