1 to 10 of 11 Results
Apr 16, 2024
Dreuw, Andreas; Tegeder, Petra, 2024, "Influence of N-introduction on the electronic structure and properties of polyacenes: experiment and quantum chemistry in concert [research data]", https://doi.org/10.11588/data/FEQZX9, heiDATA, V1
N-Heteropolycycles (NHPCs) represent a promising substance class for applications in functional organic materials, since their electronic structure and the resulting individual molecular properties are efficiently tuneable by number and position of nitrogen atoms in the aromatic... |
Apr 16, 2024
Stein, Arnulf; Rolf, Daniela; Lotze, Christian; Feldmann, Sascha; Gerbert, David; Günther, Benjamin; Jeindl, Andreas; Cartus, Johannes J.; Hofmann, Oliver T.; Gade, Lutz H.; Franke, Katharina J.; Tegeder, Petra, 2024, "Electronic Properties of Tetraazaperopyrene Derivatives on Au(111): Energy-Level Alignment and Interfacial Band Formation [research data]", https://doi.org/10.11588/data/0EK2MB, heiDATA, V1
N-heteropolycyclic aromatic compounds are promising organic electron-transporting semiconductors for applications in field-effect transistors. Here, we investigated the electronic properties of 1,3,8,10-tetraazaperopyrene derivatives adsorbed on Au(111) using a complementary expe... |
Apr 16, 2024
Sivanesan, Vipilan; Broch, Katharina; Tegeder, Petra, 2024, "Excited States Dynamics at Pentacene/Perfluoropentacene Interfaces: A Femtosecond Time-Resolved Second Harmonic Generation Study [research data]", https://doi.org/10.11588/data/PYEHCQ, heiDATA, V1
Understanding the dynamics of excited states after optical excitation at donor-acceptor (D/A) interfaces is of paramount importance for improving the efficiency and performance of optoelectronic devices. Here, we studied the ultrafast excited state dynamics after optical excitati... |
Mar 25, 2024
Kefer, Oskar; Kolesnichenko, Pavel V.; Buckup, Tiago, 2024, "Two-dimensional coherent electronic spectrometer with switchable multi-color configurations [research data]", https://doi.org/10.11588/data/BLXCSM, heiDATA, V1
Broadband implementation of two-dimensional electronic spectroscopy (2DES) is a desirable goal for numerous research groups, yet achieving it presents considerable challenges. An effective strategy to mitigate these challenges is the utilization of two-color approaches, effective... |
Mar 15, 2024
Kefer, Oskar; Ahrens, Lukas; Han, Jie; Wollscheid, Nikolaus; Misselwitz, Erik; Rominger, Frank; Freudenberg, Jan; Dreuw, Andreas; Bunz, Uwe H. F.; Buckup, Tiago, 2024, "Efficient Intramolecular Singlet Fission in Spiro-Linked Heterodimers [research data]", https://doi.org/10.11588/data/HMRSVO, heiDATA, V1
We investigate intramolecular singlet fission (iSF) of spiro-linked azaacene heterodimers by time-resolved spectroscopy and quantum chemical calculations. Combining two different azaacenes through a nonconjugated linker using condensation chemistry furnishes azaacene heterodimers... |
Feb 12, 2024
Stein, Arnulf; Rolf, Daniela; Lotze, Christian; Günther, Benjamin; Gade, Lutz H.; Franke, Katharina J.; Tegeder, Petra, 2024, "Band Formation at Interfaces Between N-Heteropolycycles and Gold Electrodes [research data]", https://doi.org/10.11588/data/QNAPNN, heiDATA, V1
Underlying data for figures in the paper "Band Formation at Interfaces Between N-Heteropolycycles and Gold Electrodes" |
Jan 2, 2024
Wirsing, Sara; Hänsel, Marc; Craciunescu, Luca; Belova, Valentina; Schreiber, Frank; Broch, Katharina; Engels, Bernd; Tegeder, Petra, 2024, "Adsorption Structures Affecting the Electronic Properties and Photoinduced Charge Transfer at Perylene-Based Molecular Interfaces [Data]", https://doi.org/10.11588/data/DYTW8A, heiDATA, V1
Underlying data for figures in the paper "Adsorption Structures Affecting the Electronic Properties and Photoinduced Charge Transfer at Perylene-Based Molecular Interfaces" |
May 31, 2023 - Bunz Group
Fuchs, Kathleen; Dr. Rivero, Samara M.; Weidlich, Anna; Dr. Rominger, Frank; Israel, Noel; Dr. Popov, Alexey A.; Prof. Dreuw, Andreas; Dr. Freudenberg, Jan; Prof. Casado, Juan; Prof. Bunz, Uwe, 2023, "Dimerization of a Reactive Azaacene Diradical: Synthesis of a Covalent Azaacene Cage [Data]", https://doi.org/10.11588/data/QO118B, heiDATA, V1
Two series of regioisomeric dicyanomethylene substituted dithienodiazatetracenes with formal para- or ortho- quinodimethane subunits were synthesized and characterized. Whereas the para-isomers (p-n, diradical index y0=0.01) are stable and isolable, the ortho-isomer (y0=0.98) dim... |
Aug 3, 2022 - Bunz Group
Wiesner, Thomas; Wu, Zhu; Han, Jie; Ji, Lei; Friedrich, Alexandra; Krummenacher, Ivo; Moos, Michael; Lambert, Christoph; Braunschweig, Holger; Rudin, Benjamin; Reiss, Hilmar; Tverskoy, Olena; Rominger, Frank; Dreuw, Andreas; Marder, Todd; Freudenberg, Jan; Bunz, Uwe, 2022, "The Radical Anion, Dianion and Electron Transport Properties of Tetraiodo-Tetraazapentacene [Data]", https://doi.org/10.11588/data/S0KS2I, heiDATA, V1
Tetraiodotetraazapentacene I4TAP , the last missing derivative in the series of halogenated silylated tetraazapentacenes, was synthesized via condensation chemistry from a TIPS-ethynylated diaminobenzothiadiazol in three steps. Single and double reduction furnished its air-stable... |
Jun 30, 2022 - Bunz Group
Maier, Steffen, 2022, "A Stable Hexaazaoctacene Cruciform σ-Dimer [Data]", https://doi.org/10.11588/data/FABJEI, heiDATA, V1
Buchwald‐Hartwig coupling of a triisopropylsilyl (TIPS)‐ethynylated dibromo‐N,N'‐dihydrotetraazapentacene with 1,4‐bis(TIPS‐ethynyl)‐2,3‐diaminonaphthalene furnishes a dihydrohexaazaoctacene. Its oxidation with MnO2 results in a 7,7'‐bi(hexaazaoctacenyl). In addition to eight TIP... |
