DPG Frühjahrstagung Dresden 2017 starts tomorrow

The DPG-Frühjahrstagung der Sektion Kondensierte Materie (SKM) will take place from March 19 – 24 in Dresden this year. Below, you find a list of our group’s contributions throughout the week. We are looking forward to an exciting and fruitful week of discussions and exchange. See you there. (There is even a hashtag for the event: #DPGDD17)

Mo, 11:00 CPP 7.1 Two-color warm white hybrid OLEDs from thermally activated delayed fluorescence — Ludwig Popp, Paul Kleine, Reinhard Scholz, Ramunas Lygaitis, Olaf Zeika, Axel Fischer, Simone Lenk, and Sebastian Reineke
Mo, 11:15 CPP 7.2 Conjugation induced thermally activated delayed fluorescence — Paul Kleine, Qiang Wei, Yevhen Karpov, Xianping Qiu, Hartmut Komber, Karin Sahre, Anton Kiriy, Ramunas Lygaitis, Simone Lenk, Brigitte Voit, and Sebastian Reineke
Mo, 12:15 CPP 7.6 Ultrathin metal electrode for bottom-emitting OLEDs on buckled substrates — Yungui Li, Toni Bärschneider, Paul-Anton Will, Yuan Liu, Simone Lenk, and Sebastian Reineke
Di, 15:45 CPP 26.8 Absolute optical sensor based on biluminescence — Caterin Salas Redondo and Sebastian Reineke
Mi, 18:30 CPP 50.13 controlling excitons in exciplex host systems for efficient white OLEDs — Yuan Liu, Simone Lenk, Karl Leo, and Sebastian Reineke
Mi, 18:30 CPP 50.19 Synthesis and characterisation of the new emitters for OLED applications — Ramunas Lygaitis, Olaf Zeika, Reinhard Scholz, Ludwig Popp, Paul Kleine, Simone Lenk, and Sebastian Reineke
Mi, 13:00 DS 29.14 Influence of radiative efficiency and dipole orientation on optimal layer thicknesses of monochrome OLEDs for maximum EQE — Paul-Anton Will, Cornelius Fuchs, Reinhard Scholz, Simone Lenk, and Sebastian Reineke
Mi, 15:15 DS 34.2 Determination of the molecular orientation in absorptive organic thin films — Christian Hänisch, Simone Lenk, and Sebastian Reineke
Mi, 09:30 HL 52.1 Full Range Electrothermal Modeling of Organic Light-emitting Diodes — Axel Fischer, Koen Vandewal, Simone Lenk, and Sebastian Reineke
Mi, 15:00 HL 64.19 Diffuse Transmission and Reflection of Light Scattering Polymer Substrates for Organic Light-emitting Diodes — Pen Yiao Ang, Georg Marks, Abdalla Mahmoud, Axel Fischer, Simone Lenk, and Sebastian Reineke

Ryutaro Komatsu (see below) is currently visiting our group as part of an ongoing exchange program between TU Dresden and Universities from Japan. He is a PhD candidate of Prof. Junji Kido from Yamagata University – good chance to see some of their recent work.

Mi, 18:30 CPP 50.14 Efficient Deep-blue Pyridimidine-based TADF Emitters Using a Highly Twisted Molecular Skeleton — •Ryutaro Komatsu, Tatsuya Ohsawa, Hisahiro Sasabe, Kohei Nakao, Yuya Hayasaka, and Junji Kido


MRS Spring Meeting 2016 – Abstract Deadline extended!

You may have heard that the abstract deadline for the 2016 MRS Spring Meeting in Phoenix, AZ, has been extended until October 30, 2015 (11:59 pm ET) – that is 3 days from now. If you were too late for the original deadline, this is your change. We would like to bring to your attention our Symposium EP1, which deals with systems and devices based on organic materials with a important focus on the utilization of their excitonic properties. Together with my colleagues Malte C. Gather, Marc A. Baldo, and Chihaya Adachi, I am looking forward to your submissions.Bildschirmfoto 2015-10-27 um 16.46.42

Let’s meet in Phoenix and talk spins, TADF, plasmonics, up- and down-conversion, polaritons, lasing, sensing, bioinspired systems, phosphorescence, strong coupling, OLEDs, optics, single crystals.

One last point: Please spread the word if you know someone, who might be interested in our Symposium EP! but does not know about it. Thank you!

3rd Dresden Conference “Energy in Future”

In Dresden, organized by the Fraunhofer IWS, the 3rd Dresden Conference “Energy in Future” will take place. It will be a two-day conference covering the interdisciplinary research efforts related to the use of energy in our future. Poster submission deadline is July 31st 2015. Find the details to the conference here.

The conference will take place November 10-11, 2015 in Dresden.

With respect to the OLED topic, we will have exciting presentations from OLEDWorks (Dr. John Hamer), CYNORA GmbH (Dr. Thomas Baumann), OSRAM OLED GmbH (Dr. Andreas Rausch), and IAPP/TU Dresden (Dr. Simone Lenk).

SOLED 2015 deadline approaching

Consider to visit the 2015 Solid State and Organic Lighting (SOLED) Conference in Suzhou, China – its worth coming. Find the Call for Papers here. The deadline for abstract submission is 7 July 2015 12:00 EDT. The SOLED will take place from 02 – 05 November 2015. It will be a great conference, bringing together the key experts in the field.

Keynote speakers: Stephen Forrest, University of Michigan, USA, Jung Han, Yale University, USA, and maybe more.

Call for Papers: Solid State and Organic Lighting (SOLED) in China 2015

As a member of the program committee, it is my pleasure to announce the Call for Papers for the Solid State and Organic Lighting (SOLED) Conference in Suzhou, China 2015. The deadline for abstract submission is 7 July 2015 12:00 EDT. The SOLED will take place from 02 – 05 November 2015. It will be a great conference, bringing together the key experts in the field. Keynote speakers include Stephen Forrest, University of Michigan, USA and Jung Han, Yale University, USA.

New paper: What happens, when you push on TADF-type exciplex systems?

In a new paper – Spin-dependent charge transfer state design rules in organic photovoltaics –  published in Nature Communications, we probe intermolecular charge transfer states with the aid of their luminescent thermally activated delayed fluorescence  (TADF) channel. In addition to probing this TADF with time-resolved photoluminescence alone, we examine the dynamics of the system under a variation of the electron and hole spacing of the CT states, controlled through external pressure. The comparison of two different acceptor molecules with either low or high local triplet energies directly shows the significance of the careful energetic design of charge separating interface in organic photovoltaics. Here, a low lying triplet level on the acceptor significantly quenches the CT triplet states, increasing the overall recombination losses.

DOE discusses LED and OLED R&D challenges

The US Department of Energy is supporting R&D efforts to realize solid state lighting (SSL) using both LEDs and OLEDs through their DOE SSL R&D program: the Multi-Year Program Plan. Now DOE recently published to separate videos with experts’ views on the matter. I always find it very beneficial to have the both technologies – LEDs and OLEDs – very close together – be it in DOE workshops or now in this digital format – because it allows to interact directly between the different technology camps. In the end, both system have in common that their are high efficiency, environmentally friendly concepts that should find highest market acceptance/share at the earliest possible time.