Ultrafast Dynamics Group
Frédéric Laquai's Group


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Total result(s) found: 16
  • All-round perovskites

    F. Laquai,
    Nat. Mater. 2014, 13, 429-430.
Amplified spontaneous emission, perovskites
  • Self-Assembly of Carboxylic Acid Appended Naphthalene Diimide Derivatives with Tunable Luminescent Color and Electrical Conductivity

    M.R. Molla, D. Gehrig, L. Roy, V. Kamm, A. Paul, F. Laquai, S. Ghosh, Chem. Eur. J. 2014, 20 (3), 760-771.
Aggregation, Chromophores, Hydrogen bonds, Luminescence, Self-assembly
  • Multifunctional Two-Photon Active Silica-Coated Au@MnO Janus Particles for Selective Dual Functionalization and Imaging

    I. Schick, S. Lorenz, D. Gehrig, A.-M. Schilmann, H. Bauer, M. Panthöfer, K. Fischer, D. Strand, F. Laquai, W. Tremel
    J. Am. Chem. Soc. 2014, 136 (6), 2473–2483.
powder X-ray diffraction, Au@MnO@SiO2
  • Tuning reductive and oxidative photoinduced electron transfer in amide linked anthraquinone-porphyrin-ferrocene architectures

    J. Melomedov, J. R. Ochsmann, M. Meister, F. Laquai, K. Heinze, Eur. J. Inorg. Chem. 2014, 2014, 11, 1984-2001.
Electron transfer, Density functional calculations, Substituent effects, Porphyrinoids, Quinones
  • Influence of triplet excitons on the lifetime of polymer-based organic light emitting diodes

    O. Pekkola, A. Gassmann, F. Etzold, F. Laquai and H. von Seggern,
    phys. stat. sol. (a) 2014, DOI: 10.1002/pssa.201330411.
Device lifetime, Excitons, Organic light-emitting diodes, Polymers
  • Aminoferrocene and Ferrocene Amino Acid as Electron Donors in Modular Porphyrin–Ferrocene and Porphyrin–Ferrocene–Porphyrin Conjugates

    J. Melomedov, J.R. Ochsmann, M. Meister, F. Laquai and K. Heinze,
    Eur. J. Inorg. Chem. 2014, 18, 2902-2915.
Artificial photosynthesis, Energy transfer, Electron transfer, Metallocenes, Porphyrins
  • A Heteroleptic Push-Pull Substituted Iron(II) Bis(tridentate) Complex with Low Energy Charge Transfer States

    A.K.C. Mengel, C. Förster, A. Breivogel, K. Mack, J.R. Ochsmann, F. Laquai, V. Ksenofontov, and Heinze,
     Chem. Eur. J. 2014, 21 (2), 704-714.​

Charge transfer, Excited states, Iron, Ligand field splitting, Tridentate ligands
  • Inorganic Janus particles for biomedical applications

    I. Schick, S. Lorenz, D. Gehrig, S. Tenzer, W. Storck, K. Fischer, D. Strand, F. Laquai, W. Tremel,
    Beilstein J. Nanotech. 2014, 5, 2346-2362

Bioimaging (CT, MRI, Multi-photon), Hetero-nanoparticles, Janus particles, Protein corona, Synthesis
  • Correlated Donor/Acceptor Crystal Orientation Controls Photocurrent Generation in All-Polymer Solar Cells

    M. Schubert, B. A. Collins, H. Mangold, I. A. Howard, W. Schindler, K. Vandewal, S. Roland, J. Behrends, F. Kraffert, R. Steyrleuthner, Z. Chen, K. Fostiropoulos, R. Bittl, A. Salleo, A. Facchetti, F. Laquai, H. W. Ade, and D. Neher,
    Adv. Funct. Mater. 2014, 24, 4068-4081.

Polymer Solar Cells, X-ray
  • Nonequilibrium Charge Dynamics in Organic Solar Cells

    I.A. Howard, F. Etzold, F. Laquai, M. Kemerink,
     Adv. Energy Mater. 2014, 4, DOI: 10.1002/aenm.201301743.​ 
Charge Dynamics, Organic Solar Cells, Ultrafast transient spectroscopy
  • Modification of the Active Layer/PEDOT:PSS Interface by Solvent Additives Resulting in Improvement of Organic Solar Cells Performance

    O. Synooka, F. Kretschmer, M. Hager, M. Himmerlich, S. Krischok, D. Gehrig, F. Laquai, U. Schubert, G. Gobsch and H. Hoppe,
    ACS Applied Materials & Interfaces 2014, 6 (14), 11068-11081.
Additives, Copolymer, Dipole moment, Morphology, PEDOT:PSS, Solar cell
  • Bimolecular Crystals of Amorphous Polymer:PCBM Intercalated Structure for Improving PPV-based Organic Photovoltaic Cells

    K. Lim, J. Park, H. Mangold, F. Laquai, T. Choi, and T. Lee,
    ChemSusChem 2014, 8 (2), 337-344.
Absorption, Electron transfer, Polymers,Thin films, X-ray diffraction
  • Ultrafast Terahertz Photoconductivity of Photovoltaic Polymer-Fullerene Blends: A Comparative Study Correlated with Photovoltaic Device Performance

    Z. Jin, D. Gehrig, C. Dyer-Smith, E.J. Heilweil, F. Laquai, M. Bonn, D. Turchinovich,
    J. Phys. Chem. Lett. 2014, 5 (21), 3662-3668.
Charge transfer, Organic photovoltaics, Photoconductivity, Semiconducting polymers, Terahertz spectroscopy
  • Efficiency-Limiting Processes in Low-Bandgap Polymer:Perylene Diimide Photovoltaic Blends
    Dominik W. Gehrig, Steffen Roland, Ian A. Howard, Valentin Kamm, Hannah Mangold, Dieter Neher, and Frédéric Laquai
    J. Phys. Chem. C2014118 (35), pp 20077–20085
    DOI: 10.1021/jp503366m
Perylene Diimide, Charge Generation, Charge Recombination, Transient Absorption Spectroscopy
  • Control of charge generation and recombination in ternary polymer/polymer:fullerene photovoltaic blends using amorphous and semi-crystalline copolymers as donors

    Hannah Mangold, Artem A. Bakulin, Ian A. Howard, Christian Kästner, Daniel A. M. Egbe, Harald Hoppe and Frédéric Laquai

    Phys. Chem. Chem. Phys., 2014,16, 20329-20337

    DOI: 10.1039/C4CP01883D

Charge Generation, Charge Recombination, Charge-Transfer States, Geminate Recombination, Non-Geminate Recombination
  • The Effect of Solvent Additive on the Charge Generation and Photovoltaic Performance of a Solution-Processed Small Molecule: Perylene Diimide Bulk Heterojunction Solar Cell
    Alexander Sharenko, Dominik Gehrig, Frédéric Laquai and Thuc-Quyen Nguyen
    Chem. Mater., 2014, 26 (14), pp 4109–4118
    DOI: 10.1021/cm5010483
Small Molecule Donor, Perylene Diimide (PDI) Electron Acceptor, Organic Photovoltaic, Solvent Additives