Research areas

In the following list, you find our research areas, currently with respective relevant publications (more details will follow): 

Thermally activated delayed fluorescence (TADF)

• Q. Wei, P. Kleine, Y. Karpov, X. Qiu, H. Komber, K. Sahre, A. Kiriy, R. Lygaitis, S. Lenk, S. Reineke, and B. Voit, Adv. Funct. Mater. 27, 1605051 (2017). Conjugation-Induced Thermally Activated Delayed Fluorescence (TADF): From Conventional Non-TADF Units to TADF-Active Polymers, DOI: http://dx.doi.org/10.1002/adfm.201605051.
• M. Zalibera, D. S. Krylov, D. Karagiannis, P.‐A. Will, F. Ziegs, S. Schiemenz, W. Lubitz, S. Reineke, A. Savitsky, and A. A. Popov, Angewandte Chemie 130, 283 (2018). Thermally Activated Delayed Fluorescence in a Y3N@C80Endohedral Fullerene: Time‐Resolved Luminescence and EPR Studies, DOI: http://dx.doi.org/10.1002/ange.201710637.

Optics optimization of LED-structures

• P.-A. Will, E. B. Schwarz, C. Fuchs, R. Scholz, S. Lenk, and S. Reineke, Org. Electr. 58, 250 (2018). Scattering quantified: Evaluation of corrugation induced outcoupling concepts in organic light-emitting diodes, DOI: http://dx.doi.org/10.1016/j.orgel.2018.04.016.
• X.‐B. Shi, Y. Liu, Z. Yuan, X.‐K. Liu, Y. Miao, J. Wang, S. Lenk, S. Reineke, and F. Gao, Adv. Opt. Mater. 6, 1800667 (2018). Optical Energy Losses in Organic–Inorganic Hybrid Perovskite Light‐Emitting Diodes, DOI: https://doi.org/10.1002/adom.201800667.
• M. Kovačič, P.-A. Will, B. Lipovšek, M. Topič, S. Lenk, S. Reineke, and J. Krč, ACS Photonics 5, 422 (2018). Coupled Optical Modeling for Optimization of Organic Light-Emitting Diodes with External Outcoupling Structures, DOI: http://dx.doi.org/10.1021/acsphotonics.7b00874.

device physics of organic electronics

• J. Ràfols-Ribé, P.-A. Will, C. Hänisch, M. Gonzalez-Silveira, S. Lenk, J. Rodríguez-Viejo, and S. Reineke, Science Advances 4, eaar8332 (2018). High-performance organic light-emitting diodes comprising ultrastable glass layers, DOI: http://dx.doi.org/10.1126/sciadv.aar8332.
• A. Fischer, M. Pfalz, K. Vandewal, S. Lenk, M. Liero, A. Glitzky, and S. Reineke, Phys. Rev. Appl. 10, 014023 (2018). Full Electrothermal OLED Model Including Nonlinear Self-heating Effects, DOI: https://doi.org/10.1103/PhysRevApplied.10.014023.
• S. Ullbrich, A. Fischer, Z. Tang, J. Ávila, H. J. Bolink, S. Reineke, and K. Vandewal, Phys. Rev. Appl. 9, 051003 (2018). Electrothermal Feedback and Absorption-Induced Open-Circuit-Voltage Turnover in Solar Cells, DOI: https://doi.org/10.1103/PhysRevApplied.9.051003.
• S. Jenatsch, S. Altazin, P.-A. Will, M. T. Neukom, E. Knapp, S. Züfle, S. Lenk, S. Reineke, and B. Ruhstaller, J. Appl. Phys. 124, 105501 (2018). Quantitative analysis of charge transport in intrinsic and doped organic semiconductors combining steady-state and frequency-domain data, DOI: https://doi.org/10.1063/1.5044494.

OLED concepts

• M. Fröbel, F. Fries, T. Schwab, S. Lenk, K. Leo, M. C. Gather, and S. Reineke, Sci. Rep. 8, 9684 (2018). Three-terminal RGB full-color OLED pixels for ultrahigh density displays, DOI: https://doi.org/10.1038/s41598-018-27976-z.
• F. Fries, M. Fröbel, P. Y. Ang, S. Lenk, and S. Reineke, Light: Science & Applications 7, 18 (2018). Real-time beam shaping without additional optical elements, DOI: https://doi.org/10.1038/s41377-018-0014-0.
• S. Krotkus, D. Kasemann, S. Lenk, K. Leo, and S. Reineke, Light: Science & Applications 5, e16121 (2016). Adjustable white-light emission from a photo-structured micro-OLED array, DOI: http://dx.doi.org/10.1038/lsa.2016.121.
• I. Slowik, A. Fischer, H. Fröb, S. Lenk, S. Reineke, and K. Leo, Org. Electr. 48, 132 (2017). Novel organic light-emitting diode design for future lasing applications, DOI: http://dx.doi.org/10.1016/j.orgel.2017.05.048.

Spectroscopy of condensed matter 

• C. Murawski, C. Elschner, S. Lenk, S. Reineke, and M. C. Gather, Org. Electr. 53, 198 (2018). Investigating the molecular orientation of Ir(ppy)3and Ir(ppy)2(acac) emitter complexes by X-ray diffraction, DOI: http://dx.doi.org/10.1016/j.orgel.2017.11.036.
• S. Reineke and M. A. Baldo, Sci. Rep. 4, 3797 (2014). Room temperature triplet state spectroscopy of organic semiconductors, DOI: http://dx.doi.org/10.1038/srep03797.

Biluminescence 

• C. Salas Redondo, P. Kleine, K. Roszeitis, T. Achenbach, M. Kroll, M. Thomschke, and S. Reineke, J. Phys. Chem. C 121, 14946 (2017). Interplay of Fluorescence and Phosphorescence in Organic Biluminescent Emitters, DOI: http://dx.doi.org/10.1021/acs.jpcc.7b04529.