Our publications

Nonlinear Contact Effects in Staggered Thin-Film Transistors
A. Fischer, H. Zündorf, F. Kaschura, J. Widmer, K. Leo, U. Kraft, H. Klauk
Physical Review Applied, vol. 8, pp. 054012/1-14, November 2017

A digital library for a flexible low-voltage organic thin-film transistor technology
M. Elsobky, M. Elattar, G. Alavi, F. Letzkus, H. Richter, U. Zschieschang, M. Strecker, H. Klauk, J. N. Burghartz
Organic Electronics, vol. 50, pp. 491-498, November 2017

Below-one-volt organic thin-film transistors with large on/off current ratios
U. Zschieschang, V. P. Bader, H. Klauk
Organic Electronics, vol. 49, pp. 179-186, October 2017

Parameter Uniformity of Submicron-Channel-Length Organic Thin-Film Transistors Fabricated by Stencil Lithography
U. Zschieschang, F. Letzkus, J. N. Burghartz, H. Klauk
IEEE Transactions on Nanotechnology, vol. 16, pp. 837-841, September 2017

Diketopyrrolopyrrole organic thin-film transistors: Impact of alkyl substituents and tolerance of ethylhexyl stereoisomers
M. Stolte, S.-L. Suraru, P. Diemer, T. He, C. Burschka, U. Zschieschang, H. Klauk, F. Würthner
Advanced Functional Materials, vol. 26, no. 41, pp. 7415-7422, November 2016

Facile Synthetic Approach to a Large Variety of Soluble Diarenoperylenes
G. Zhang, F. Rominger, U. Zschieschang, H. Klauk, M. Mastalerz
Chemistry - A European Journal, vol. 22, no. 42, pp. 14840-14845, October 2016

Detailed analysis and contact properties of low-voltage organic thin-film transistors based on dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene (DNTT) and its didecyl and diphenyl derivatives
U. Kraft, K. Takimiya, M. J. Kang, R. Rödel, F. Letzkus, J. N. Burghartz, E. Weber, H. Klauk
Organic Electronics, vol. 35, pp. 33-40, May 2016

Tailoring the Dielectric Layer Structure for Enhanced Carrier Mobility in Organic Transistors: The Use of Hybrid Inorganic/Organic Multilayer Dielectrics
M. de Pauli, U. Zschieschang, I. D. Barcelos, H. Klauk, A. Malachias
Advanced Electronic Materials, vol. 2, no. 5, pp. 1500402/1-8, May 2016

High voltage surface potential measurements in ambient conditions: Application to organic thin-film transistor injection and transport characterization
G. de Tournadre, F. Reisdorffer, R. Rödel, O. Simonetti, H. Klauk, L. Giraudet
Journal of Applied Physics, vol. 119, no. 12, pp. 125501/1-9, March 2016

A comprehensive study of charge trapping in organic field-effect devices with promising semiconductors and different contact metals by displacement current measurements
S. Bisoyi, R. Rödel, U. Zschieschang, M. J. Kang, K. Takimiya, H. Klauk, S. P. Tiwari
Semiconductor Science and Technology, vol. 31, no. 2, pp. 025011/1-10, February 2016

Core Halogenation as a Construction Principle in Tuning the Material Properties of Tetraazaperopyrenes
L. Hahn, F. Maaß, T. Bleith, U. Zschieschang, H. Wadepohl, H. Klauk, P. Tegeder, L. H. Gade
Chemistry - A European Journal, vol. 21, no. 49, pp. 17691-17700, December 2015

High-resolution spatial control of the threshold voltage of organic transistors by microcontact printing of alkyl and fluoroalkylphosphonic acid self-assembled monolayers
I. Hirata, U. Zschieschang, T. Yokota, K. Kuribara, M. Kaltenbrunner, H. Klauk, T. Sekitani, T. Someya
Organic Electronics, vol. 26, pp. 239-244, November 2015

Threshold-Voltage Shifts in Organic Transistors Due to Self-Assembled Monolayers at the Dielectric: Evidence for Electronic Coupling and Dipolar Effects
M. Aghamohammadi, R. Rödel, U. Zschieschang, C. Ocal, H. Boschker, R. T. Weitz, E. Barrena, H. Klauk
ACS Applied Materials & Interfaces, vol. 7, no. 41, pp. 22775-22785, October 2015

Low-voltage organic transistors with steep subthreshold slope fabricated on commercially available paper
U. Zschieschang, H. Klauk
Organic Electronics, vol. 25, pp. 340-344, October 2015

Crystalline TQPP as p-type semiconductor: X-ray crystallographic investigation, OTFT device, and computational analysis of transport properties
B. Wex, A. O. El-Ballouli, A. Vanvooren, U. Zschieschang, H. Klauk, J. A. Krause, J. Cornil, B. R. Kaafarani
Journal of Molecular Structure, vol. 1093, pp. 144-149, August 2015

Flexible low-voltage organic phototransistors based on air-stable dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene (DNTT)
J. Milvich, T. Zaki, M. Aghamohammadi, R. Rödel, U. Kraft, H. Klauk, J. N. Burghartz
Organic Electronics, vol. 20, pp. 63-68, May 2015

Threshold-voltage control and enhancement-mode characteristics in multilayer tin disulfide field-effect transistors by gate-oxide passivation with an alkylphosphonic acid self-assembled monolayer
U. Zschieschang, T. Holzmann, A. Kuhn, M. Aghamohammadi, B. V. Lotsch, H. Klauk
Journal of Applied Physics, vol. 117, no. 10, pp. 104509/1-5, May 2015

Low-voltage organic transistors based on tetraceno[2,3-b]thiophene: Contact resistance and air stability
U. Kraft, J. E. Anthony, E. Ripaud, M. A. Loth, E. Weber, H. Klauk
Chemistry of Materials, vol. 27, no. 3, pp. 998-1004, February 2015

Flexible Low-Voltage Organic Complementary Circuits: Finding the Optimum Combination of Semiconductors and Monolayer Gate Dielectrics
U. Kraft, M. Sejfic, M. J. Kang, K. Takimiya, T. Zaki, F. Letzkus, J. N. Burghartz, E. Weber, H. Klauk
Advanced Materials, vol. 27, no. 2, pp. 207-214, January 2015

Bias-stress stability of low-voltage p-channel and n-channel organic thin-film transistors on flexible plastic substrates
S. Bisoyi, U. Zschieschang, M. J. Kang, K. Takimiya, H. Klauk, S. P. Tiwari
Organic Electronics, vol. 15, no. 11, pp. 3173-3182, November 2014

High-Performance ZnO Nanowire Transistors with Aluminum Top-Gate Electrodes and Naturally Formed Hybrid Self-Assembled Monolayer/AlOx Gate Dielectric
D. Kälblein, H. Ryu, F. Ante, B. Fenk, K. Hahn, K. Kern, H. Klauk
ACS Nano, vol. 8, no. 7, pp. 6840-6848, July 2014

Numerical analysis of capacitance compact models for organic thin-film transistors
S. Scheinert, T. Zaki, R. Rödel, I. Hörselmann, H. Klauk, J. N. Burghartz
Organic Electronics, vol. 15, no. 7, pp. 1503-1508, July 2014

Accurate Capacitance Modeling and Characterization of Organic Thin-Film Transistors
T. Zaki, S. Scheinert, I. Hörselmann, R. Rödel, F. Letzkus, H. Richter, U. Zschieschang, H. Klauk, J. N. Burghartz
IEEE Transactions on Electron Devices, vol. 61, no. 1, pp. 98-104, January 2014

High-mobility organic thin-film transistors based on a small-molecule semiconductor deposited in vacuum and by solution shearing
R. Hofmockel, U. Zschieschang, U. Kraft, R. Rödel, N. H. Hansen, M. Stolte, F. Würthner, K. Takimiya, K. Kern, J. Pflaum, H. Klauk
Organic Electronics, vol. 14, no. 12, pp. 3213-3221, December 2013

Core-Brominated Tetraazaperopyrenes as n-Channel Semiconductors for Organic Complementary Circuits on Flexible Substrates
S. Geib, U. Zschieschang, M. Gsänger, M. Stolte, F. Würthner, H. Wadepohl, H. Klauk, L. H. Gade
Advanced Functional Materials, vol. 23, no. 31, pp. 3866-3874, August 2013

Flexible Low-Voltage Organic Transistors with High Thermal Stability at 250 °C
T. Yokota, K. Kuribara, T. Tokuhara, U. Zschieschang, H. Klauk, K. Takimiya, Y. Sadamitsu, M. Hamada, T. Sekitani, T. Someya
Advanced Materials, vol. 25, no. 27, pp. 3639-3644, July 2013

Contact properties of high-mobility, air-stable, low-voltage organic n-channel thin-film transistors based on a naphthalene tetracarboxylic diimide
R. Rödel, F. Letzkus, T. Zaki, J. N. Burghartz, U. Kraft, U. Zschieschang, K. Kern, H. Klauk
Applied Physics Letters, vol. 102, no. 23, pp. 233303/1-5, June 2013

Megahertz operation of flexible low-voltage organic thin-film transistors
U. Zschieschang, R. Hofmockel, R. Rödel, U. Kraft, M. J. Kang, K. Takimiya, T. Zaki, F. Letzkus, J. Butschke, H. Richter, J. N. Burghartz, H. Klauk
Organic Electronics, vol. 14, no. 6, pp. 1516-1520, June 2013

AC characterization of organic thin-film transistors with asymmetric gate-to-source and gate-to-drain overlaps
T. Zaki, R. Rödel, F. Letzkus, H. Richter, U. Zschieschang, H. Klauk, J. N. Burghartz
Organic Electronics, vol. 14, no. 5, pp. 1318-1322, May 2013

S-parameter characterization of submicrometer low-voltage organic thin-film transistors
T. Zaki, R. Rödel, F. Letzkus, H. Richter, U. Zschieschang, H. Klauk, J. N. Burghartz
IEEE Electron Device Letters, vol. 34, no. 4, pp. 520-522, April 2013

Fermi Level Pinning by Gap States in Organic Semiconductors
S. Yogev, R. Matsubara, M. Nakamura, U. Zschieschang, H. Klauk, Y. Rosenwaks
Physical Review Letters, vol. 110, no. 3, pp. 036803/1-5, January 2013

1,3,6,8-Tetraazapyrenes: Synthesis, Solid-State Structures, and Properties as Redox-Active Materials
S. Geib, S. C. Martens, U. Zschieschang, F. Lombeck, H. Wadepohl, H. Klauk, L. H. Gade
Journal of Organic Chemistry, vol. 77, no. 14, pp. 6107-6116, July 2012

Organic transistors with high thermal stability for medical applications
K. Kuribara, H. Wang, N. Uchiyama, K. Fukuda, T. Yokota, U. Zschieschang, C. Jaye, D. Fischer, H. Klauk, T. Yamamoto, K. Takimiya, M. Ikeda, H. Kuwabara, T. Sekitani, Y. L. Loo, T. Someya
Nature Communications, vol. 3, pp. 723/1-7, March 2012

Tetrachlorinated Tetraazaperopyrenes (TAPPs): Highly Fluorescent Dyes and Semiconductors for Air-Stable Organic n-Channel Transistors and Complementary Circuits
S. C. Martens, U. Zschieschang, H. Wadepohl, H. Klauk, L. H. Gade
Chemistry - A European Journal, vol. 18, no. 12, pp. 3498-3509, March 2012

High-Yield Transfer Printing of Metal-Insulator-Metal Nanodiodes
M. Bareiß, F. Ante, D. Kälblein, G. Jegert, C. Jirauschek, G. Scarpa, B. Fabel, E. M. Nelson, G. Timp, U. Zschieschang, H. Klauk, W. Porod, P. Lugli
ACS Nano, vol. 6, no. 3, pp. 2853-2859, March 2012

Flexible low-voltage organic thin-film transistors and circuits based on C10-DNTT
U. Zschieschang, M. J. Kang, K. Takimiya, T. Sekitani, T. Someya, T. W. Canzler, A. Werner, J. Blochwitz-Nimoth, H. Klauk
Journal of Materials Chemistry, vol. 22, no. 10, pp. 4273-4277, February 2012

Contact Resistance and Megahertz Operation of Aggressively Scaled Organic Transistors
F. Ante, D. Kälblein, T. Zaki, U. Zschieschang, K. Takimiya, M. Ikeda, T. Sekitani, T. Someya, J. N. Burghartz, K. Kern, H. Klauk
Small, vol. 8, no. 1, pp. 73-79, January 2012

A 3.3 V 6-Bit 100 kS/s Current-Steering Digital-to-Analog Converter Using Organic P-Type Thin-Film Transistors on Glass
T. Zaki, F. Ante, U. Zschieschang, J. Butschke, F. Letzkus, H. Richter, H. Klauk, J. N. Burghartz
IEEE Journal of Solid-State Circuits, vol. 47, no. 1, pp. 292-300, January 2012

Top-Gate ZnO Nanowire Transistors and Integrated Circuits with Ultrathin Self-Assembled Monolayer Gate Dielectric
D. Kälblein, R. T. Weitz, H. J. Böttcher, F. Ante, U. Zschieschang, K. Kern, H. Klauk
Nano Letters, vol. 11, no. 12, pp. 5309–5315, December 2011

Spatial control of the threshold voltage of low-voltage organic transistors by microcontact printing of alkyl- and fluoroalkyl-phosphonic acids
I. Hirata, U. Zschieschang, F. Ante, T. Yokota, K. Kuribara, T. Yamamoto, K. Takimiya, M. Ikeda, H. Kuwabara, H. Klauk, T. Sekitani, T. Someya
MRS Communications, vol. 1, no. 1, pp. 33-36, November 2011

Low-voltage organic transistor with subfemtoliter inkjet source–drain contacts
T. Yokota, T. Sekitani, Y. Kato, K. Kuribara, U. Zschieschang, H. Klauk, T. Yamamoto, K. Takimiya, H. Kuwabara, M. Ikeda, T. Someya
MRS Communications, vol. 1, no. 1, pp. 3-6, November 2011

A core-extended naphthalene diimide as a p-channel semiconductor
S.-L. Suraru, U. Zschieschang, H. Klauk, F. Würthner
Chemical Communications, vol. 47, no. 41, pp. 11504-11506, October 2011

Hybrid Organic/Inorganic Molecular Heterojunctions Based on Strained Nanomembranes
C. C. Bof Bufon, J. D. Arias Espinoza, D. J. Thurmer, M. Bauer, C. Deneke, U. Zschieschang, H. Klauk, O. G. Schmidt
Nano Letters, vol. 11, no. 9, pp. 3727-3733, September 2011

Unipolar Sequential Circuits Based on Individual-Carbon-Nanotube Transistors and Thin-Film Carbon Resistors
H. Ryu, D. Kälblein, O. G. Schmidt, H. Klauk
ACS Nano, vol. 5, no. 9, pp. 7525-7531, September 2011

Dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene (DNTT) thin-film transistors with improved performance and stability
U. Zschieschang, F. Ante, D. Kälblein, T. Yamamoto, K. Takimiya, H. Kuwabara, M. Ikeda, T. Sekitani, T. Someya, J. Blochwitz-Nimoth, H. Klauk
Organic Electronics, vol. 12, no. 8, pp. 1370-1375, June 2011

Control of threshold voltage in low-voltage organic complementary inverter circuits with floating gate structures
T. Yokota, T. Nakagawa, T. Sekitani, Y. Noguchi, K. Fukuda, U. Zschieschang, H. Klauk, K. Takeuchi, M. Takamiya, T. Sakurai, T. Someya
Applied Physics Letters, vol. 98, no. 19, pp. 193302/1-3, May 2011

Contact Doping and Ultrathin Gate Dielectrics for Nanoscale Organic Thin-Film Transistors
F. Ante, D. Kälblein, U. Zschieschang, T. W. Canzler, A. Werner, K. Takimiya, M. Ikeda, T. Sekitani, T. Someya, H. Klauk
Small, vol. 7, no. 9, pp. 1186-1191, May 2011

Organic electronics on banknotes
U. Zschieschang, T. Yamamoto, K. Takimiya, H. Kuwabara, M. Ikeda, T. Sekitani, T. Someya, H. Klauk
Advanced Materials, vol. 23, no. 5, pp. 654-658, February 2011

Diketopyrrolopyrrole as a p-channel organic semiconductor for high performance OTFTs
S.-L. Suraru, U. Zschieschang, H. Klauk, F. Würthner
Chemical Communications, vol. 47, no. 6, pp. 1767-1769, February 2011

Flexible organic transistors and circuits with extreme bending stability
T. Sekitani, U. Zschieschang, H. Klauk, T. Someya
Nature Materials, vol. 9, no. 12, pp. 1015-1022, December 2010

Logic circuits based on individual semiconducting and metallic carbon nanotube devices
H. Ryu, D. Kälblein, R. T. Weitz, F. Ante, U. Zschieschang, K. Kern, O. G. Schmidt, H. Klauk
Nanotechnology, vol. 21, no. 47, pp. 475207/1-5, November 2010

Mixed Self-Assembled Monolayer Gate Dielectrics for Continuous Threshold Voltage Control in Organic Transistors and Circuits
U. Zschieschang, F. Ante, M. Schlörholz, M. Schmidt, K. Kern, H. Klauk
Advanced Materials, vol. 22, no. 40, pp. 4489-4493, October 2010

Fluoroalkylphosphonic acid self-assembled monolayer gate dielectrics for threshold-voltage control in low-voltage organic thin-film transistors
U. Kraft, U. Zschieschang, F. Ante, D. Kälblein, C. Kamella, K. Amsharov, M. Jansen, K. Kern, E. Weber, H. Klauk
Journal of Materials Chemistry, vol. 20, no. 31, pp. 6416-6418, July 2010

A 3-V, 6-Bit C-2C Digital-to-Analog Converter Using Complementary Organic Thin-Film Transistors on Glass
W. Xiong, Y. Guo, U. Zschieschang, H. Klauk, B. Murmann
IEEE Journal of Solid-State Circuits, vol. 45, no. 7, pp. 1380-1388, July 2010

Organic thin-film transistors
H. Klauk
Chemical Society Reviews, vol. 39, no. 7, pp. 2643-2666, June 2010

Probing the electrical properties of highly-doped Al:ZnO nanowire ensembles
R. Noriega, J. Rivnay, L. Goris, D. Kälblein, H. Klauk, K. Kern, L. M. Thompson, A. C. Palke, J. F. Stebbins, J. R. Jokisaari, G. Kusinski, A. Salleo
Journal of Applied Physics, vol. 107, no. 7, pp. 074312/1-7, April 2010

Graphene on a Hydrophobic Substrate: Doping Reduction and Hysteresis Suppression under Ambient Conditions
M. Lafkioti, B. Krauss, T. Lohmann, U. Zschieschang, H. Klauk, K. v. Klitzing, J. H. Smet
Nano Letters, vol. 10, no. 4, pp. 1149-1153, April 2010

Flexible Low-Voltage Organic Transistors and Circuits Based on a High-Mobility Organic Semiconductor with Good Air Stability
U. Zschieschang, F. Ante, T. Yamamoto, K. Takimiya, H. Kuwabara, M. Ikeda, T. Sekitani, T. Someya, K. Kern, H. Klauk
Advanced Materials, vol. 22, no. 9, pp. 982-985, March 2010

Organic Nonvolatile Memory Transistors for Flexible Sensor Arrays
T. Sekitani, T. Yokota, U. Zschieschang, H. Klauk, S. Bauer, K. Takeuchi, M. Takamiya, T. Sakurai, T. Someya
Science, vol. 326, no. 5959, pp. 1516-1519, December 2009

Organic Thin-Film Transistors: Part I - Compact Modeling. Part II - Parameter Extraction
O. Marinov, M. J. Deen, U. Zschieschang, H. Klauk
IEEE Transactions on Electron Devices, vol. 56, no. 12, pp. 2952-2968, December 2009

Low-voltage organic n channel thin-film transistors based on a core-cyanated perylene tetracarboxylic diimide derivative
U. Zschieschang, K. Amsharov, R. T. Weitz, M. Jansen, H. Klauk
Synthetic Metals, vol. 159, no. 21-22, pp. 2362-2364, November 2009

The Importance of Grain Boundaries for the Time-Dependent Mobility Degradation in Organic Thin-Film Transistors
R. T. Weitz, K. Amsharov, U. Zschieschang, M. Burghard, M. Jansen, M. Kelsch, B. Rhamati, P. A. van Aken, K. Kern, H. Klauk
Chemistry of Materials, vol. 21, no. 20, pp. 4949-4954, October 2009

Highly Reliable Carbon Nanotube Transistors with Patterned Gates and Molecular Gate Dielectric
R. T. Weitz, U. Zschieschang, A. Forment-Aliaga, D. Kälblein, M. Burghard, K. Kern, H. Klauk
Nano Letters, vol. 9, no. 4, pp. 1335-1340, April 2009

Bias stress effect in low-voltage organic thin-film transistors
U. Zschieschang, R. T. Weitz, K. Kern, H. Klauk
Applied Physics A, vol. 95, no. 1, pp. 139-145, February 2009

Organic transistors manufactured using inkjet technology with subfemtoliter accuracy
T. Sekitani, Y. Noguchi, U. Zschieschang, H. Klauk, T. Someya
Proceedings of the National Academy of Sciences of the U.S.A., vol. 105, no. 13, pp. 4976-4980, April 2008

Organic n-Channel Transistors Based on Core-Cyanated Perylene Carboxylic Diimide Derivatives
R. T. Weitz, K. Amsharov, U. Zschieschang, E. Barrena Villas, D. K. Goswami, M. Burghard, H. Dosch, M. Jansen, K. Kern, H. Klauk
Journal of the American Chemical Society, vol. 130, no. 14, pp. 4637-4645, April 2008

Microcontact-Printed Self-Assembled Monolayers as Ultrathin Gate Dielectrics in Organic Thin-Film Transistors and Complementary Circuits
U. Zschieschang, M. Halik, H. Klauk
Langmuir, vol. 24, no. 5, pp. 1665-1669, February 2008

Organic Transistors Based on Di(phenylvinyl)anthracene: Performance and Stability
H. Klauk, U. Zschieschang, R. T. Weitz, H. Meng, F. Sun, G. Nunes, D. E. Keys, C. R. Fincher, Z. Xiang
Advanced Materials, vol. 19, no. 22, pp. 3882-3887, November 2007

Low-voltage organic thin-film transistors with large transconductance
H. Klauk, U. Zschieschang, M. Halik
Journal of Applied Physics, vol. 102, no. 7, pp. 074514/1-7, October 2007

Ultralow-power organic complementary circuits
H. Klauk, U. Zschieschang, J. Pflaum, M. Halik
Nature, vol. 445, no. 7129, pp. 745-748, February 2007

High-Performance Carbon Nanotube Field Effect Transistors with a Thin Gate Dielectric Based on a Self-Assembled Monolayer
R. T. Weitz, U. Zschieschang, F. Effenberger, H. Klauk, M. Burghard, K. Kern
Nano Letters, vol. 7, no. 1, pp. 22-27, January 2007

InGaAs/GaAs/alkanethiolate radial superlattices
Ch. Deneke, U. Zschieschang, H. Klauk, O. G. Schmidt
Applied Physics Letters, vol. 89, no. 26, pp. 263110/1-3, December 2006

 
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