Ultrafast Dynamics Group
Frédéric Laquai's Group

Publications

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Total result(s) found: 6
  • 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:
     
    8778
    doi:10.1038/ncomms9778
Keywords:
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​

Keywords:
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​ 

Keywords:
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​​

Keywords:
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
Keywords:
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 and Thuc-Quyen Nguyen

    J. Mater. Chem. A, 2015,3, 1530-1539

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