Ultrafast Dynamics Group
Frédéric Laquai's Group

Publications

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Total result(s) found: 9
  • 17% Efficient Organic Solar Cells Based on Liquid Exfoliated WS2 as a Replacement for PEDOT:PSS 


    Y. Lin, B. Adilbekova, Y. Firdaus, E. Yengel, H. Faber, M. Sajjad, X. Zheng, E. Yarali, A. Seitkhan, O. M. Bakr, A. El-Labban, U. Schwingenschlögl, V. Tung, I. McCulloch, F. Laquai, and T. D. Anthopoulos.

    Advanced Materials, 1902965. doi:10.1002/adma.201902965​​​​

Keywords:
2D transition metal disulfides, hole transport layers, liquid exfoliation, nonfullerene organic solar cells, WS2, MoS2
  • Impact of Fullerene on the Photophysics of Ternary Small Molecule Organic Solar Cells


    S. Karuthedath, Y. Firdaus, R-Z. Liang, J. Gorenflot, P. M. Beaujuge, T. D. Anthopoulos, F. Laquai, 

    Advanced Energy Materials 2019, 201901443

Keywords:
bulk heterojunction, charge generation, energy transfer, fullerene, ternary organic solar cells, ultrafast spectroscopy
  • Impact of polymorphism on the optoelectronic properties of a low-bandgap semiconducting polymer​

    M. Li, A. H. Balawi, P. J. Leenaers, L. Ning, G. H. L. Heintges, T. Marszalek, W. Pisula, M. M. Wienk, S. C. J. Meskers, Y. Yi, F. Laquai and R. A. J. Janssen, Nature Communicationsvolume 10, Article number: 2867 (2019)
Keywords:
polymer, 3-alkylthiophene, P(NDI2OD-T2)
  • Direct and energytransfer mediated charge transfer state formation and recombination in triangulenespacerperylenediimide multichromophores: lessons for photovoltaic applications

    A. H. Balawi, S. Stappert, J. Gorenflot, C. Li, K. Müllen, D. Andrienko, F. Laquai, J. Phys. Chem. C 2019, DOI: 10.1021/acs.jpcc.9b05149
Keywords:
Charge transfer, triangulene‐spacer‐perylenediimide multichromophores, UV−vis spectrum, TD-DFT
  • P3HT Molecular Weight Determines the Performance of P3HT:O-IDTBR Solar Cells

    J. I. Khan, R. S. Ashraf, M. A. Alamoudi, M. N. Nabi, H. N. Mohammed, A. Wadsworth, Y. Firdaus, W. Zhang, T. D. Anthopoulos, I. McCulloch, F. Laquai
    Solar RRL​, 2019, 
    DOI: 10.1002/solr.201900023.​
    ​​
Keywords:
non-fullerene acceptors, transient absorption, molecular weight, P3HT, O-IDTBR
Keywords:
p-i-n perovskite solar cell, interface engineering, organic molecule, cathode interlayer, semi-transparent solar cell
  • Negligible Energy Loss During Charge Generation in Small-Molecule/Fullerene Bulk-Heterojunction Solar Cells Leads 

    to Open-Circuit Voltage over 1.10 V


    M. Babics, T. Duan, A. H. Balawi, R.-Z. Liang, F. Cruciani, I.-D. Carja, D. Gottlieb, I. McCulloch, K. Vandewal, F. Laquai and P. M. Beaujuge ACS Appl. Energy Mater., 2019, DOI: 10.1021/acsaem.8b02020​

Keywords:
organic photovoltaics, small-molecule donor, oligothiophene, fluorination, high open-circuit voltage, low energy loss
  • Key Parameters Requirements for NonFullereneBased Organic Solar Cells with Power Conversion Efficiency >20%


    Y. Firdaus, V. M. Le Corre, J. I. Khan, Z. Kan, F. Laquai, P. M. Beaujuge, T.  D. Anthopoulos

    Adv. Sci. 2019, 1802028​

Keywords:
bulk‐heterojunction solar cells, drift‐diffusion model, nonfullerene acceptors, numerical device simulations, organic photovoltaics, tandem devices
  • Terminal Group Engineering for Small-Molecule Donor Boosts the Performance of Nonfullerene Organic Solar Cells

    T. Duan, H. Tang, R .-Z.  Liang, J. Lv, Z. Kan, R. Singh, M. Kumar, Z. Xiao, S. Lu  and F. Laquai, J. Mater. Chem. A, 2019, DOI: 10.1039/C8TA11420J.​
Keywords:
BDT-RO, BDT-RN, DR3TBDTT