Ultrafast Dynamics Group
Frédéric Laquai's Group


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Total result(s) found: 14
  • Charge Carrier Transport and Photogeneration in P3HT:PCBM Photovoltaic Blends

    F. Laquai, D. Andrienko, R. Mauer, and P.W.M. Blom, Macromol. Rap. Comm. 2015, 36, 1001-1025.
Poly(3-hexylthiophene), Charge recombination, Charge transport, DFT calculations, Organic solar cells
  • J-aggregation, its impact on excited state dynamics and unique solvent effects on macroscopic assembly of a core-substituted naphthalenediimide

    H. Kar, D.W. Gehrig, F. Laquai, S. Ghosh,
    Nanoscale 2015, 7, 6729-6736.
Excited state dynamics, Transient absorption spectroscopy, Macroscopic
  • Conjugated Microporous Polymers with Dimensionality-Controlled Heterostructures for Green Energy Devices

    X. Zhuang, D. Gehrig, N. Forler, H. Liang, M. Wagner, M. R. Hansen, F. Laquai, F. Zhang, and X. Feng, Adv. Mater. 2015, 27, 3789-3796.
Porous polymers, Polymeric material, Fourier transform infrared (FTIR) spectra
  • Effect of Charge Transfer in Magnetic-Plasmonic Au@MOx (M = Mn, Fe) Heterodimers on the Kinetics of Nanocrystal Formation

    I. Schick, D. Gehrig, M. Montigny, B. Balke, M. Panthöfer, A. Henkel, F. Laquai, and W. Tremel, Chem. Mater. 2015, 27, 4877-4884.​
Heteronanoparticles, Nanomaterials, Heterodimer.
  • Interplay between singlet and triplet excited states in a conformationally locked donor-acceptor dyad

    M.A. Filatov, F. Etzold, D. Gehrig, F. Laquai, D. Busko, K. Landfester, S. Baluschev,
    Dalton Transactions 2015, 44, 19207 – 19217.
Steady-state, Time-resolved photoluminescence spectroscopy
  • A spiro-bifluorene based 3D electron acceptor with dicyanovinylene substitution for solution processed non-fullerene organic solar cells

    D. Xia, D. Gehrig, X. Guo, M. Baumgarten, F. Laquai, and K. Müllen
    J. Mater. Chem. A 2015, 3, 11086-11092. 
Electronic supplementary, Organic solar cells
  • Charge Carrier Generation Followed by Triplet State Formation, Annihilation, and Carrier Recreation in PBDTTT-C:PC60BM Photovoltaic Blends

    D. Gehrig, I.A. Howard, and F. Laquai
    J. Phys. Chem. C, 2015, 119 (24), pp 13509–13515
    DOI: 10.1021/acs.jpcc.5b03467
carrier dynamics, triplet state dynamics, polymer, PBDTTT-C/PC60
  • Photovoltaic polymer-fullerene blends: Terahertz carrier dynamics and device performance

    Z. Jin, D. Gehrig, C. Dyer-Smith, E.J. Heilweil, F. Laquai, M. Bonn, D. Turchinovich,
    Conference on Lasers and Electro-Optics Europe - Technical Digest, Volume 2015 - August, 10 August 2015, Article number 7183909. 
Terahertz spectroscopy, Ultrafast spectroscopy, Polymers
  • Photo-generated carriers lose energy during extraction from polymer-fullerene solar cells

    Armantas Melianas, Fabian Etzold, Tom J. Savenije, Frédéric Laquai, Olle Inganäs, Martijn Kemerink
    Nature Communications
    Article number:
Photo-generated Charges, Thermal Equilibrium, Thermalization, time-resolved optical spectroscopy
  • Triplet state formation in photovoltaic blends of DPP-type copolymers and PC71BM

    Ochsmann JR, Chandran D, Gehrig DW, Anwar H, Madathil PK, Lee KS, Frédéric Laquai 

    Macromol Rapid Commun. 2015 Jun;36(11):1122-8.

    DOI: 10.1002/marc.201400714​

DPP Polymers, Charge Generation, Organic Photovoltaics, Transient Absorption Spectroscopy, Triplet State Formation
  • The Impact of Donor–Acceptor Phase Separation on the Charge Carrier Dynamics in pBTTT:PCBM Photovoltaic Blends

    Dominik W. Gehrig, Ian A. Howard, Sean Sweetnam, Timothy M. Burke,Michael D. McGehee, Frédéric Laquai

    Macromol. Rapid Commun. 2015, 36, 1054−1060

    DOI: 10.1002/marc.201500112​ 

Carrier Dynamics, pBTTT, Phase Separation, Polymer Solar Cells, Transient Absorption Spectroscopy
  • ​Sub-ns triplet state formation by non-geminate recombination in PSBTBT:PC70BM and PCPDTBT:PC BM organic solar cells

    Fabian Etzold, Ian A. Howard, Nina Forler, Anton Melnyk, Denis Andrienko, Michael Ryan Hansen and Frédéric Laquai

    Energy Environ. Sci., 2015,8, 1511-152

    DOI: 10.1039/C4EE03630A​​​​

Solid-State Morphology, Charge Carrier Dynamics, Multivariate Curve Resolution, Transient Absorption Spectroscopy
  • Interplay Between Side Chain Pattern, Polymer Aggregation, and Charge Carrier Dynamics in PBDTTPD:PCBM Bulk-Heterojunction Solar Cells

    Clare Dyer-Smith, Ian A. Howard, Clément Cabanetos, Abdulrahman El Labban, Pierre M. Beaujuge, and Frédéric Laquai
    Advanced Energy Materials, Volume 5, Issue 9, (2015)
    DOI 10.1002/aenm.201401778
Charge Generation, PBDTTPD, Polymer Solar Cells, Structure–Property Relationships, Transient Absorption Spectroscopy
  • High open-circuit voltage small-molecule p-DTS(FBTTh2)2:ICBA bulk heterojunction solar cells – morphology, excited-state dynamics, and photovoltaic performance

    Aung Ko Ko Kyaw, Dominik Gehrig, Jie Zhang, Ye Huang, Guillermo C. Bazan, Frédéric Laquai, Thuc-Quyen Nguyen,
    J. Mater. Chem. A 2015, 3, 1530-1539​

Bulk Heterojunction, Solar Cells, Solution-Processable Small Molecule Donor, Transient Absorption Spectroscopy