Publications
- A. Weissbach, M. Cucchi, H. Tseng, K. Leo, and H. Kleemann. "Unraveling the Electrochemical Electrode Coupling in Integrated Organic Electrochemical Transistors", Advanced Functional Materials 2302205 (2023)
- M. Cucchi, D. Parker, E. Stavrinidou, P. Gkoupidenis, and H. Kleemann. "In Liquido Computation with Electrochemical Transistors and Mixed Conductors for Intelligent Bioelectronics", Advanced Materials 35(15), 2209516 (2023)
- M. Koch, H. Tseng, A. Weissbach, B. Iniguez, K. Leo, A. Kloes, H. Kleemann, and G. Darbandy. "Device Physics, Modeling and Simulation of Organic Electrochemical Transistors", IEEE Journal of the Electron Devices Society (2023)
- M. Sawatzki-Park, S.-J. Wang, H. Kleemann, and K. Leo. "Highly Ordered Small Molecule Organic Semiconductor Thin-Films Enabling Complex, High-Performance Multi-Junction Devices", Chemical Reviews (2023)
- R. Shameem, L. M. Bongartz, A. Weissbach, H. Kleemann, and K. Leo. "Hysteresis in Organic Electrochemical Transistors: Relation to the Electrochemical Properties of the Semiconductor", Applied Sciences 13(9), 5754 (2023)
- S.-J. Wang, A. Kirch, M. Sawatzki, T. Achenbach, H. Kleemann, S. Reineke, and K. Leo. "Highly Crystalline Rubrene Light‐Emitting Diodes with Epitaxial Growth", Advanced Functional Materials 33(14), 2213768 (2023)
- S.-J. Wang, A. Bonil, J. Vahland, and H. Kleemann. "Reliable p-type Organic Permeable Base Transistors-The Missing Component for Integrated Circuits", Nano Futures (2023)
- S. J. Wang, M. Sawatzki, G. Darbandy, F. Talnack, J. Vahland, M. Malfois, A. Kloes, S. Mannsfeld, H. Kleemann, and K. Leo. "Organic bipolar transistors", Nature 606 (7915), 700-705 (2022)
- M. Cucchi, A. Weissbach, L. M. Bongartz, R. Kantelberg, H. Tseng, H. Kleemann, and K. Leo. "Thermodynamics of organic electrochemical transistors", Nature Communications 13(1), 4514 (2022)
- S.J. Wang, S. Wohlrab, H. Reith, D. Berger, H. Kleemann, K. Nielsch, and K. Leo. "Doped Organic Micro‐Thermoelectric Coolers with Rapid Response Time", Advanced Electronic Materials 8(12), 2200629 (2022)
- G. Ciccone, M. Cucchi, Y. Gao, A. Kumar, L. M. Seifert, A. Weissbach, H. Tseng, H. Kleemann, F. Alibart, and K. Leo. "Growth and design strategies of organic dendritic networks", Discover Materials 2(1), 7 (2022)
- H. Tseng, A. Weissbach, J. Kucinski, A. Solgi, R. Nair, L. M. Bongartz, G. Ciccone, M. Cucchi, K. Leo, and H. Kleemann. "Threshold Voltage Control in Dual‐Gate Organic Electrochemical Transistors", Advanced Materials Interfaces, 2201914 (2022)
- M. Höppner, B. Kheradmand‐Boroujeni, J. Vahland, M. F. Sawatzki, D. Kneppe, F. Ellinger, and H. Kleemann. "High‐Frequency Operation of Vertical Organic Field‐Effect Transistors", Advanced Science, 2201660 (2022)
- M. Cucchi, S. Abreu, G. Ciccone, D. Brunner, and H. Kleemann. "Hands-on reservoir computing: a tutorial for practical implementation", Neuromorphic Computing and Engineering (2022)
- L. M. Bongartz, A. Weissbach, M. Cucchi, K. Leo, and H. Kleemann. "Temperature-Dependence of All-Solid-State Organic Electrochemical Transistors", 2022 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS) 1-4 (2022)
- L. Petrauskas, M. Cucchi, C. Grüner, F. Ellinger, K. Leo, C. Matthus, and H. Kleemann. "Nonlinear Behavior of Dendritic Polymer Networks for Reservoir Computing", Advanced Electronic Materials 8 (3), 2100330 (2022)
- S. Xing, J. Kublitski, C. Hänisch, L. C. Winkler, T. Li, H. Kleemann, J. Benduhn, and K. Leo. "Photomultiplication‐Type Organic Photodetectors for Near‐Infrared Sensing with High and Bias‐Independent Specific Detectivity" Advanced Science 9 (7), 2105113 (2022)
- S. J. Wang, M. Panhans, I. Lashkov, H. Kleemann, F. Caglieris, D. Backer-Koch, J. Vahland, E. Guo, S. Huang, Y. Krupskaya, Y. Vaynzof, B. Büchner, F. Ortmann, and K. Leo. "Highly efficient modulation doping: A path toward superior organic thermoelectric devices", Science Advances 8 (13), eabl9264 (2022)
- A. Weissbach, L. M. Bongartz, M. Cucchi, H. Tseng, K. Leo, and H. Kleemann. "Photopatternable solid electrolyte for integrable organic electrochemical transistors: operation and hysteresis", Journal of Materials Chemistry C 10 (7), 2656-2662 (2022)
- G. Ciccone, I. Meloni, R. G. Fernandez Lahore, J. Vierock, S. Reineke, H. Kleemann, P. Hegemann, K. Leo, C. Murawski. "Tailoring Organic LEDs for Bidirectional Optogenetic Control via Dual‐Color Switching", Advanced Functional Materials 32 (12), 2110590 (2022)
- K Mosshammer, T Lüdke, S Spitzner, D Firzlaff, K Harre, H Kleemann, M. Neudert, T. Zahnert, and K. Leo. "Bio-compatible sensor for middle ear pressure monitoring on a bio-degradable substrate", Frontiers in Electronics, 24 (2021)
- H. Tseng, M. Cucchi, A. Weissbach, K. Leo, and H. Kleemann. "Membrane-Free, Selective Ion Sensing by Combining Organic Electrochemical Transistors and Impedance Analysis of Ionic Diffusion", ACS Applied Electronic Materials 3 (9), 3898-3903 (2021)
- M. Cucchi, C. Gruener, L. Petrauskas, P. Steiner, H. Tseng, A. Fischer, B. Penkovsky, C. Matthus, P. Birkholz, and K. Leo. "Reservoir computing with biocompatible organic electrochemical networks for brain-inspired biosignal classification", Science Advances 7 (34), eabh0693 (2021)
- J. Vahland, K. Leo, and H. Kleemann. " Quasi-Self-Aligned Organic Thin-Film Transistors in Coplanar Top-Gate Configuration" ACS Applied Electronic Materials 3 (11), 5131-5137 (2021)
- D. Kneppe, F. Talnack, B. K. Boroujeni, C. Teixeira da Rocha, M. Höppner, A. Tahn, S. C. B. Mannsfeld, F. Ellinger, K. Leo, and H. Kleemann. "Solution-processed pseudo-vertical organic transistors based on TIPS-pentacene." Materials Today Energy, 21 (2021): 100697.
- Erjuan Guo, Shen Xing, Felix Dollinger, René Hübner, Shu-Jen Wang, Zhongbin Wu, Karl Leo, and Hans Kleemann. "Integrated complementary inverters and ring oscillators based on vertical-channel dual-base organic thin-film transistors." Nature Electronics, (2021): 1-7.
- Matteo Cucchi, Hans Kleemann, Hsin Tseng, Giuseppe Ciccone, Alexander Lee, Darius Pohl, and Karl Leo. "Directed Growth of Dendritic Polymer Networks for Organic Electrochemical Transistors and Artificial Synapses." Advanced Electronic Materials, 7, no. 10 (2021): 2100586.
- Katrin Ortstein, Sebastian Hutsch, Mike Hambsch, Kristofer Tvingstedt, Berthold Wegner, Johannes Benduhn, Jonas Kublitski et al. "Band gap engineering in blended organic semiconductor films based on dielectric interactions." Nature Materials, (2021): 1-7.
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Z. Wu, Y. Liu, G. Darbandy, E. Guo, S.-J. Wang, R. Hübner, A. Kloes, H. Kleemann, and K. Leo “Efficient and low-voltage vertical organic permeable-base light-emitting transistors”, Nature Materials, 1-8 (2021).
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M. Sawatzki, H. Kleemann, B.K. Boroujeni, F. Ellinger, and K. Leo, “Doped Highly Crystalline Organic Films: Towards High-performance Organic Electronics”, Advanced Science, 8 (6), 2003519 (2021).
- Erjuan Guo, Felix Dollinger, Baltasar Amaya, Axel Fischer, and Hans Kleemann. "Organic Permeable Base Transistors–Insights and Perspectives." Advanced Optical Materials, (2021): 2002058.
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S.-J. Wang, M. Sawatzki, H. Kleemann, I. Lashkov, O. Janson, D. Wolf, A. Lubk, F. Talnack, S. Mannsfeld, Y. Krupskaya, J. van den Brink, B. Büchner, K. Leo, “Vacuum processed large area doped rubrene thin-film crystals”, Materials Today Physics, 17, 100352 (2021).
- Ilia Lashkov, Kevin Krechan, Katrin Ortstein, Felix Talnack, Shu-Jen Wang, Stefan CB Mannsfeld, Hans Kleemann, and Karl Leo. "Modulation Doping for Threshold Voltage Control in Organic Field-Effect Transistors." ACS Applied Materials & Interfaces, 13, no. 7 (2021): 8664-8671.
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J. Kublitski, A. Hofacker, C. Kaiser, D. Spoltore, H. Kleemann, A. Fischer, B.K. Boroujeni, F. Ellinger, K. Vandewal, and K. Leo, “Reverse Dark Current in Organic Photodetectors: Generation Paths in Fullerene Based Devices”, Nature Communications, 12 (1), 1-9 (2021).
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Erjuan Guo, Zhongbin Wu, Ghader Darbandy, Shen Xing, Shu-Jen Wang, Alexander Tahn, Michael Göbel, Alexander Kloes, Karl Leo, and Hans Kleemann. "Vertical organic permeable dual-base transistors for logic circuits." Nature communications, 11, no. 1 (2020): 1-9.
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A. Hofacker, “Critical charge transport networks in doped organic semiconductors”, Nature Communications Materials 1, 88 (2020).
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E. Guo, S. Xing, F. Dollinger, Z. Wu, A. Tahn, M. Löffler, K. Leo, and H. Kleemann, “High‐Performance Static Induction Transistors Based on Small‐Molecule Organic Semiconductors”, Advanced Materials Technologies 5 (9), 2000361 (2020).
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K.G. Lim, E. Guo, A. Fischer, Q. Miao, K. Leo, and H. Kleemann, “Anodization for Simplified Processing and Efficient Charge Transport in Vertical Organic Field‐Effect Transistors”, Advanced Functional Materials, 2001703 (2020).
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G. Darbandy, F. Dollinger, P. Formanek, R. Hübner, C. Roemer, A. Fischer, “Unraveling Structure and Device Operation of Organic Permeable Base Transistors”, Advanced Electronic Materials 6 (7), 2000230 (2020).
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M. Schwarze, M.L. Tietze, F. Ortmann, H. Kleemann, K. Leo, “Universal Limit for Air-Stable Molecular n-Doping in Organic Semiconductors”, ACS Applied Materials & Interfaces 12 (36), 40566-40571 (2020).
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K Ortstein, S Hutsch, A Hinderhofer, J Vahland, M Schwarze, S. Schellhammer, M. Hodas, Th. Geiger, H. Kleemann, H. F Bettinger, F. Schreiber, F. Ortmann, and K. Leo “Energy Level Engineering in Organic Thin Films by Tailored Halogenation”, Advanced Functional Materials 30 (32), 2002987 (2020).
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H. Kleemann, G. Schwartz, S. Zott, M. Baumann, M. Furno, “Megahertz operation of vertical organic transistors for ultra-high resolution active-matrix display”, Flexible and Printed Electronics 5 (1), 014009 (2020).
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S. Xing, X. Wang, E. Guo, H. Kleemann, and K. Leo, “Organic Thin-Film Red-Light Photodiodes with Tunable Spectral Response Via Selective Exciton Activation” ACS Applied Materials & Interfaces 12 (11), 13061-13067 (2020).
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H. Kleemann, K. Kevin, A. Fischer, and K. Leo, “A Review on Vertical Organic Transistors”, Adv. Funct. Mat., 1907113 (2020).
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E. Guo, Z. Wu, G. Darbandy, S. Xing, S.J. Wang, A. Tahn, M. Göbel, A. Kloes, K. Leo, and H. Kleemann, “Vertical Organic Permeable Dual-Base Transistors for Logic Circuits”, Nat. Comm. 11, 4725 (2020).
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M. Höppner, D. Kneppe, H. Kleemann, and K. Leo, “Precise patterning of organic semiconductors by reactive ion etching”, Organic Electronics 76, 105357 (2020).
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F. Dollinger, A. Fischer, H. Kleemann, and K. Leo, “Superior Stability of Organic Permeable Base Transistors”, Advanced Electronic Materials 5 (12), 1900576 (2019).
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X. Fan, D. Kneppe, V. Sayevich, H. Kleemann, A. Tahn, K. Leo, V. Lesnyak, and A. Eychmüller, “High-Performance Ultra-Short Channel Field-Effect Transistor Using Solution-Processable Colloidal Nanocrystals”, Phys. Chem. Lett. 10, 14, 4025-4031 (2019).
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Z.Wu, Y. Liu, L. Yu, C. Zhao, D. Yang, X. Qiao, J. Chen, C. Yang, H. Kleemann, K. Leo, and D. Ma, “Strategic-tuning of radiative excitons for efficient and stable fluorescent white organic light-emitting diodes”, Nat. Comm. 1, 2380 (2019).
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F. Dollinger, K.G. Lim, Y. Li, E. Guo, A. Hübner, P. Formanek, A. Fischer, H. Kleemann, and K. Leo, “Vertical Organic Thin‐Film Transistors with an Anodized Permeable Base for Very Low Leakage Current”, Adv. Mat. 31, 1900917 (2019).
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M.I.B. Utama, H. Kleemann, W. Zhao, C. Ong, H. Felipe, D.Y. Qiu, H. Cai, H. Li, R. Kou, S. Zhao, S. Wang, K. Watanabe, T. Taniguchi, S. Tongay, A. Zettl, S.G. Louie, and F. Wang, “A dielectric-defined lateral heterojunction in a monolayer semiconductor”, Nature Electronics 2, 60-65 (2019).
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C. Jin, J. Kim, I. Utama, E.C. Regan, H. Kleemann, H. Cai, Y. Shen, M. Shinner, A. Sengupta, K. Watanabe, T. Taniguchi, S. Tongay, A. Zettl, and F. Wang, “Spatial-Temporal Imaging of Pure Spin- Valley Current in Transition Metal Dichalcogenide Heterostructures”, Science 360, 893-896 (2018).
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F.M. Sawatzki, DH Doan, H. Kleemann, M. Liero, A. Glitzky, T. Koprucki, and K. Leo, “Balance of Horizontal and Vertical Charge Transport in Organic Field-Effect Transistors”, Physical Review Applied 10, 034069 (2018).
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M.L. Tietze, J. Benduhn, P. Pahner, B. Nell, M. Schwarze, H. Kleemann, M. Krammer, K. Zojer, K. Vandewal, and K. Leo, “Elementary steps in electrical doping of organic semiconductors”, Nature Communications 9, 1182 (2018).
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B. Kheradmand-Boroujeni, M.P. Klinger, A. Fischer, H. Kleemann, K. Leo, and F. Ellinger, “A Pulse- Biasing Small-Signal Measurement Technique Enabling 40 MHz Operation of Organic Transistors”, Scientific Reports 8, 7643 (2018).
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M.P. Klinger, A. Fischer, H. Kleemann, and K. Leo, “Non-Linear Self-Heating in Organic Transistors Reaching High Power Densities”, Scientific Reports 8, 9806 (2018).