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Journal Articles

Low-donor content approach to achieve sensitive narrowband organic photodetectors

Tianyi Zhang, Jonas Schröder, Jakob Wolansky, Karl Leo, Johannes Benduhn
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 193502 (2024)
https://doi.org/10.1063/5.0188745
Published: May 2024
View article titled, Low-donor content approach to achieve sensitive narrowband organic photodetectors
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Includes: Supplementary data
Journal Articles

Roadmap on organic–inorganic hybrid perovskite semiconductors and devices

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Lukas Schmidt-Mende, Vladimir Dyakonov, Selina Olthof, Feray Ünlü, Khan Moritz Trong Lê, Sanjay Mathur, Andrei D. Karabanov, Doru C. Lupascu, Laura M. Herz, Alexander Hinderhofer, Frank Schreiber, Alexey Chernikov, David A. Egger, Oleksandra Shargaieva, Caterina Cocchi, Eva Unger, Michael Saliba, Mahdi Malekshahi Byranvand, Martin Kroll, Frederik Nehm, Karl Leo, Alex Redinger, Julian Höcker, Thomas Kirchartz, Jonathan Warby, Emilio Gutierrez-Partida, Dieter Neher, Martin Stolterfoht, Uli Würfel, Moritz Unmüssig, Jan Herterich, Clemens Baretzky, John Mohanraj, Mukundan Thelakkat, Clément Maheu, Wolfram Jaegermann, Thomas Mayer, Janek Rieger, Thomas Fauster, Daniel Niesner, Fengjiu Yang, Steve Albrecht, Thomas Riedl, Azhar Fakharuddin, Maria Vasilopoulou, Yana Vaynzof, Davide Moia, Joachim Maier, Marius Franckevičius, Vidmantas Gulbinas, Ross A. Kerner, Lianfeng Zhao, Barry P. Rand, Nadja Glück, Thomas Bein, Fabio Matteocci, Luigi Angelo Castriotta, Aldo Di Carlo, Matthias Scheffler, Claudia Draxl
Journal: APL Materials
APL Mater. 9, 109202 (2021)
https://doi.org/10.1063/5.0047616
Published: October 2021
View article titled, Roadmap on organic–inorganic hybrid perovskite semiconductors and devices
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Journal Articles

New charge-transfer states in blends of ZnPC with F8ZnPC

Lukas Graf, Katrin Ortstein, Louis P. Doctor, Marco Naumann, Jan Beyer, Johannes Heitmann, Karl Leo, Martin Knupfer
Journal: AIP Advances
AIP Advances 11, 025230 (2021)
https://doi.org/10.1063/5.0037958
Published: February 2021
View article titled, New charge-transfer states in blends of ZnPC with F8ZnPC
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Includes: Supplementary data
Journal Articles

Controllable coherent absorption of counterpropagating laser beams in organic microcavities

Christoph Schmidt, Markas Sudzius, Stefan Meister, Hartmut Fröb, Karl Leo
Journal: Applied Physics Letters
Appl. Phys. Lett. 117, 053301 (2020)
https://doi.org/10.1063/5.0016544
Published: August 2020
View article titled, Controllable coherent absorption of counterpropagating laser beams in organic microcavities
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Journal Articles

Accurate reconstruction of the jV-characteristic of organic solar cells from measurements of the external quantum efficiency

Toni Meyer, Christian Körner, Koen Vandewal, Karl Leo
Journal: Journal of Applied Physics
J. Appl. Phys. 123, 134501 (2018)
https://doi.org/10.1063/1.5009155
Published: April 2018
View article titled, Accurate reconstruction of the <em>jV</em>-characteristic of organic solar cells from measurements of the external quantum efficiency
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Includes: Supplementary data
Journal Articles

Nonlinearity-induced Laguerre-Gauss modes in organic vertical cavity lasers

Felix Lemke, Christian Kropla, Andreas Mischok, Robert Brückner, Hartmut Fröb, Karl Leo
Journal: Applied Physics Letters
Appl. Phys. Lett. 111, 063303 (2017)
https://doi.org/10.1063/1.4997026
Published: August 2017
View article titled, Nonlinearity-induced Laguerre-Gauss modes in organic vertical cavity lasers
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Journal Articles

Elastomer based electrically tunable, optical microcavities

Irma Slowik, Nils M. Kronenberg, Markus Franke, Axel Fischer, Andreas Richter, Malte C. Gather, Karl Leo
Journal: Applied Physics Letters
Appl. Phys. Lett. 109, 171104 (2016)
https://doi.org/10.1063/1.4966549
Published: October 2016
View article titled, Elastomer based electrically tunable, optical microcavities
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Journal Articles

Operation mechanism of high performance organic permeable base transistors with an insulated and perforated base electrode

Felix Kaschura, Axel Fischer, Markus P. Klinger, Duy Hai Doan, Thomas Koprucki, Annegret Glitzky, Daniel Kasemann, Johannes Widmer, Karl Leo
Journal: Journal of Applied Physics
J. Appl. Phys. 120, 094501 (2016)
https://doi.org/10.1063/1.4962009
Published: September 2016
View article titled, Operation mechanism of high performance organic permeable base transistors with an insulated and perforated base electrode
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Includes: Supplementary data
Journal Articles

Flexible, light trapping substrates for organic photovoltaics

Yoonseok Park, Jana Berger, Zheng Tang, Lars Müller-Meskamp, Andrés Fabián Lasagni, Koen Vandewal, Karl Leo
Journal: Applied Physics Letters
Appl. Phys. Lett. 109, 093301 (2016)
https://doi.org/10.1063/1.4962206
Published: August 2016
View article titled, Flexible, light trapping substrates for organic photovoltaics
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Journal Articles

PEDOT:PSS with embedded TiO2 nanoparticles as light trapping electrode for organic photovoltaics

Yoonseok Park, Lars Müller-Meskamp, Koen Vandewal, Karl Leo
Journal: Applied Physics Letters
Appl. Phys. Lett. 108, 253302 (2016)
https://doi.org/10.1063/1.4954902
Published: June 2016
View article titled, PEDOT:PSS with embedded TiO<sub>2</sub> nanoparticles as light trapping electrode for organic photovoltaics
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Journal Articles

Electrical limit of silver nanowire electrodes: Direct measurement of the nanowire junction resistance

Franz Selzer, Carlo Floresca, David Kneppe, Ludwig Bormann, Christoph Sachse, Nelli Weiß, Alexander Eychmüller, Aram Amassian, Lars Müller-Meskamp, Karl Leo
Journal: Applied Physics Letters
Appl. Phys. Lett. 108, 163302 (2016)
https://doi.org/10.1063/1.4947285
Published: April 2016
View article titled, Electrical limit of silver nanowire electrodes: Direct measurement of the nanowire junction resistance
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Journal Articles

Reduced contact resistance in top-contact organic field-effect transistors by interface contact doping

Ji-Ling Hou, Daniel Kasemann, Johannes Widmer, Alrun A. Günther, Björn Lüssem, Karl Leo
Journal: Applied Physics Letters
Appl. Phys. Lett. 108, 103303 (2016)
https://doi.org/10.1063/1.4943646
Published: March 2016
View article titled, Reduced contact resistance in top-contact organic field-effect transistors by interface contact doping
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Includes: Supplementary data
Journal Articles

10.4% Efficient triple organic solar cells containing near infrared absorbers

Rico Meerheim, Christian Körner, Benjamin Oesen, Karl Leo
Journal: Applied Physics Letters
Appl. Phys. Lett. 108, 103302 (2016)
https://doi.org/10.1063/1.4943653
Published: March 2016
View article titled, 10.4% Efficient triple organic solar cells containing near infrared absorbers
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Journal Articles

Controlling threshold voltage and leakage currents in vertical organic field-effect transistors by inversion mode operation

Alrun A. Günther, Christoph Hossbach, Michael Sawatzki, Daniel Kasemann, Johann W. Bartha, Karl Leo
Journal: Applied Physics Letters
Appl. Phys. Lett. 107, 233302 (2015)
https://doi.org/10.1063/1.4937439
Published: December 2015
View article titled, Controlling threshold voltage and leakage currents in vertical organic field-effect transistors by inversion mode operation
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Journal Articles

White organic light-emitting diodes with 4 nm metal electrode

Simone Lenk, Tobias Schwab, Sylvio Schubert, Lars Müller-Meskamp, Karl Leo, Malte C. Gather, Sebastian Reineke
Journal: Applied Physics Letters
Appl. Phys. Lett. 107, 163302 (2015)
https://doi.org/10.1063/1.4934274
Published: October 2015
View article titled, White organic light-emitting diodes with 4 nm metal electrode
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Includes: Supplementary data
Journal Articles

Controlling morphology: A vertical organic transistor with a self-structured permeable base using the bottom electrode as seed layer

Felix Kaschura, Axel Fischer, Daniel Kasemann, Karl Leo, Björn Lüssem
Journal: Applied Physics Letters
Appl. Phys. Lett. 107, 033301 (2015)
https://doi.org/10.1063/1.4927478
Published: July 2015
View article titled, Controlling morphology: A vertical organic transistor with a self-structured permeable base using the bottom electrode as seed layer
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Includes: Supplementary data
Journal Articles

Density of states determination in organic donor-acceptor blend layers enabled by molecular doping

Janine Fischer, Debdutta Ray, Hans Kleemann, Paul Pahner, Martin Schwarze, Christian Koerner, Koen Vandewal, Karl Leo
Journal: Journal of Applied Physics
J. Appl. Phys. 117, 245501 (2015)
https://doi.org/10.1063/1.4922587
Published: June 2015
View article titled, Density of states determination in organic donor-acceptor blend layers enabled by molecular doping
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Journal Articles

Hole mobility in thermally evaporated pentacene: Morphological and directional dependence

Alrun A. Günther, Johannes Widmer, Daniel Kasemann, Karl Leo
Journal: Applied Physics Letters
Appl. Phys. Lett. 106, 233301 (2015)
https://doi.org/10.1063/1.4922422
Published: June 2015
View article titled, Hole mobility in thermally evaporated pentacene: Morphological and directional dependence
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Journal Articles

Top-gate organic depletion and inversion transistors with doped channel and injection contact

Xuhai Liu, Daniel Kasemann, Karl Leo
Journal: Applied Physics Letters
Appl. Phys. Lett. 106, 103301 (2015)
https://doi.org/10.1063/1.4914508
Published: March 2015
View article titled, Top-gate organic depletion and inversion transistors with doped channel and injection contact
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Journal Articles

A charge carrier transport model for donor-acceptor blend layers

Janine Fischer, Johannes Widmer, Hans Kleemann, Wolfgang Tress, Christian Koerner, Moritz Riede, Koen Vandewal, Karl Leo
Journal: Journal of Applied Physics
J. Appl. Phys. 117, 045501 (2015)
https://doi.org/10.1063/1.4906561
Published: January 2015
View article titled, A charge carrier transport model for donor-acceptor blend layers
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