Citation Indices
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 Journal Publications   
[40]  Nicholas Kellaris, Philipp Rothemund, Yi Zeng, Shane K. Mitchell, Garrett M. Smith, Kaushik Jayaram, Christoph Keplinger. "Spider-Inspired Electrohydraulic Actuators for Fast, Soft-Actuated Joints". Advanced Science Early View, 2100916 (2021).
[39] Philipp Rothemund, Nicholas Kellaris, Shane K. Mitchell, Eric Acome, Christoph Keplinger. "HASEL Artificial Muscles for a New Generation of Lifelike Robots - Recent Progress and Future Opportunities". Advanced Materials 33 (19), 2003375 (2021).
Zachary Yoder, Nicholas Kellaris, Christina Chase-Markopoulou, Devon Ricken, Shane K. Mitchell, Madison B. Emmett, Richard F. ff. Weir, Jacob Segil, Christoph Keplinger. "Design of a High-Speed Prosthetic Finger Driven by Peano-HASEL Actuators". Frontiers in Robotics and AI 7, 586216 (2020).
Khoi Ly, Nicholas Kellaris, Dade McMorris, Brian K. Johnson, Eric Acome, Vani Sundaram, Mantas Naris, J. Sean Humbert, Mark E. Rentschler, Christoph Keplinger, Nikolaus Correll. "Miniaturized Circuitry for Capacitive Self-sensing and Close-loop Control of Soft Electrostatic Transducers.". Soft Robotics,  Ahead of Print (2020).
Maura R. O'Neill, Eric Acome, Shannon Bakarich, Shane K. Mitchell, Julia Timko, Christoph Keplinger, Robert F. Shepherd. "Rapid 3-D Printing of Electrohydraulic (HASEL) Tentacle Actuators". Advanced Functional Materials 30, 2005244 (2020).
[35] Philipp Rothemund, Sophie Kirkman, Christoph Keplinger. "Dynamics of electrohydraulic soft actuators". Proceedings of the National Academy of Sciences  117(28)  16207-16213 (2020).
[34] Brian K. Johnson, Vani Sundaram, Mantas Naris, Eric Acome, Khoi Ly, Nikolaus Correll, Christoph Keplinger, James Sean Humbert, Mark E. Rentschler. "Identification and Control of a Nonlinear Soft Actuator and Sensor System". IEEE Robotics and Automation Letters 5(3) 3783-3790 (2020).
[33] Richard Baumgartner, Alexander Kogler, Josef M. Stadlbauer, Choon Chiang Foo, Rainer Kaltseis, Melanie Baumgartner, Guoyong Mao, Christoph Keplinger, Soo Jin Adrian Koh, Nikita Arnold, Zhigang Suo, Martin Kaltenbrunner, Siegfried Bauer. "A Lesson from Plants: High Speed Soft Robotic Actuators". Advanced Science  1903391 (2020).
[32] Xingrui Wang, Shane K. Mitchell, Ellen H. Rumley, Philipp Rothemund, Christoph Keplinger. "High-Strain Peano-HASEL Actuators". Advanced Functional Materials 1908821 (2019).
[31]     Philipp Rothemund, Nicholas Kellaris, Christoph Keplinger. "How inhomogeneous zipping increases the force output of Peano-HASEL actuators". Extreme Mechanics Letters 31100542 (2019).
PDF | Supplemental 
[30]     Shane K. Mitchell, Xingrui Wang*, Eric Acome*, Trent Martin, Khoi Ly, Nicholas Kellaris, Vidyacharan Gopaluni-Venkata, Christoph Keplinger. "An Easy-to-Implement Toolkit to Create Versatile and High-Performance HASEL Actuators for Untethered Soft Robots". Advanced Science 6(14) 1900178 (2019). (*Equal contribution)
PDF | Supplemental | Video
[29]     Nicholas Kellaris, Vidyacharan Gopaluni-Venkata, Philipp Rothemund, Christoph Keplinger. "An analytical model for the design of Peano-HASEL actuators with drastically improved performance". Extreme Mechanics Letters 29, 100449 (2019).
PDF | Supplemental 
[28] Timothy G Morrissey, Shane K Mitchell, Alexandra T Jaros, Eric Ambos, Christoph Keplinger. "Mechanical-to-Electrical Energy Conversion with Variable Electric Double Layers". Energy Technology 7(4), 1801007 (2019).
PDF |  Supplemental
[27] Inkyu Oh, Christoph Keplinger, Jiaxi Cui, Jiehao Chen, George M. Whitesides, Joanna Aizenberg, Yuhang Hu. “Dynamically Actuated Liquid‐Infused Poroelastic Film with Precise Control over Droplet Dynamics”. Advanced Functional Materials 28(39), 1802632 (2018).
PDF | Supplemental | Inside Front Cover
[26]     Nicholas Kellaris, Vidyacharan Gopaluni-Venkata, Garrett M. Smith, Shane K. Mitchell, Christoph Keplinger. "Peano-HASEL actuators: Muscle-mimetic, electrohydraulic transducers that linearly contract on activation". Science Robotics 3(14), eaar3276 (2018).
PDF | Supplemental | PressVideo
[25] Eric Acome, Shane K. Mitchell, Timothy G. Morrissey, Madison B. Emmett, Claire Benjamin, Madeline King, Miles Radakovitz, Christoph Keplinger. Hydraulically amplified self-healing electrostatic actuators with muscle-like performance. Science 359(6371), 61-65 (2018).

PDF | Supplemental | Press, Video

[24] Soo Jin Adrian Koh, Christoph Keplinger, Rainer Kaltseis, Choon-Chiang Foo, Richard Baumgartner, Siegfried Bauer, Zhigang Suo. “High-performance electromechanical transduction using laterally-constrained dielectric elastomers part I: Actuation processes”. Journal of the Mechanics and Physics of Solids 105, 81-94 (2017). PDF
[23] Yue Cao*, Timothy G. Morrissey*, Eric Acome, Sarah I. Allec, Bryan M. Wong, Christoph Keplinger+, Chao Wang+. “A Transparent, Self-Healing, Highly Stretchable Ionic Conductor”. Advanced Materials 29(10), 1605099 (2017). (*Equal contribution; +Corresponding author)
PDF | Supplemental | Press, Video
[22] Dian Yang, Mohit S. Verma, Ju-Hee So, Bobak Mosadegh, Christoph Keplinger, Benjamin Lee, Fatemeh Khashai, Elton Lossner, Zhigang Suo, George M. Whitesides. “Buckling Pneumatic Linear Actuators Inspired by Muscle”. Advanced Materials Technologies 1(3), 1600055 (2016).
PDF | Supplemental | Press
[21] Cheng-Hui Li*, Chao Wang*, Christoph Keplinger, Jing-Lin Zuo, Lihua Jin, Yang Sun, Peng Zheng, Yi Cao, Franziska Lissel, Christian Linder, Xiao-Zeng You, Zhenan Bao. A highly stretchable autonomous self-healing elastomer. Nature Chemistry 8(6), 618-624 (2016). (*Equal contribution)

PDF | Supplemental | Press, Video

[20] Joshua Lessing, Stephen A. Morin, Christoph Keplinger, Alok S. Tayi, George M. Whitesides. “Stretchable Conductive Composites Based on Metal Wools for Use as Electrical Vias in Soft Devices”. Advanced Functional Materials 25(9), 1418-1425 (2015).
PDF | Supplemental
[19] Jeong-Yun Sun*, Christoph Keplinger*, George M. Whitesides, Zhigang Suo. “Ionic Skin”. Advanced Materials 26(45), 7608-7614 (2014). (*Equal contribution)
PDF | Supplemental
[18] Rainer Kaltseis, Christoph Keplinger, Soo Jin Adrian Koh, Richard Baumgartner, Yu Feng Goh, Wee Hoe Ng, Alexander Kogler, Andreas Tröls, Choon Chiang Foo, Zhigang Suo, Siegfried Bauer. “Natural rubber for sustainable high-power electrical energy generation”. RSC Advances 4(53), 27905-27913 (2014).
[17] Joshua Lessing, Ana C. Glavan, S. Brett Walker, Christoph Keplinger, Jennifer A. Lewis, George M. Whitesides. “Inkjet Printing of Conductive Inks with High Lateral Resolution on Omniphobic “RF Paper” for Paper-Based Electronics and MEMS”. Advanced Materials 26(27), 4677-4682 (2014).
PDF | Supplemental
[16] Ramses V. Martinez*, Ana C. Glavan*, Christoph Keplinger, Alexis I. Oyetibo, George M. Whitesides. “Soft Actuators and Robots that Are Resistant to Mechanical Damage”. Advanced Functional Materials 24(20), 3003-3010 (2014). (*Equal contribution)
PDF | Supplemental
[15] Bobak Mosadegh, Panagiotis Polygerinos, Christoph Keplinger, Sophia Wennstedt, Robert F. Shepherd, Unmukt Gupta, Jongmin Shim, Katia Bertoldi, Conor J. Walsh, George M. Whitesides. “Pneumatic Networks for Soft Robotics that Actuate Rapidly”. Advanced Functional Materials 24(15), 2163-2170 (2014).
PDF | Supplemental | Front Cover
[14] Tongqing Lu, Christoph Keplinger, Nikita Arnold, Siegfried Bauer, Zhigang Suo. “Charge localization instability in a highly deformable dielectric elastomer”. Applied Physics Letters 104(2), 022905 (2014).
[13] Siegfried Bauer*, Simona Bauer-Gogonea*, Ingrid Graz*, Martin Kaltenbrunner*, Christoph Keplinger*, Reinhard Schwoediauer*. “25th Anniversary Article: A Soft Future: From Robots and Sensor Skin to Energy Harvesters”. Advanced Materials 26(1), 149-162 (2014). (*Equal contribution)
PDF | Review Article
[12] Andreas Tröls, Alexander Kogler, Richard Baumgartner, Rainer Kaltseis, Christoph Keplinger, Reinhard Schwödiauer, Ingrid Graz, Siegfried Bauer. “Stretch dependence of the electrical breakdown strength and dielectric constant of dielectric elastomers”. Smart Materials and Structures 22(10), 104012 (2013).
[11] Christoph Keplinger*, Jeong-Yun Sun*, Choon Chiang Foo, Philipp Rothemund, George M. Whitesides, Zhigang Suo. “Stretchable, Transparent, Ionic Conductors”. Science 341(6149), 984-987 (2013). (*Equal contribution)
PDF | Supplemental | Press, Video, Perspective by John A. Rogers
[10] Tiefeng Li, Christoph Keplinger, Richard Baumgartner, Siegfried Bauer, Wei Yang, Zhigang Suo. “Giant voltage-induced deformation in dielectric elastomers near the verge of snap-through instability”. Journal of the Mechanics and Physics of Solids 61(2), 611-628 (2013).
[9] Choon Chiang Foo, Soo Jin Adrian Koh, Christoph Keplinger, Rainer Kaltseis, Siegfried Bauer, Zhigang Suo. “Performance of dissipative dielectric elastomer generators”. Journal of Applied Physics 111(9), 094107 (2012).
[8] Qibin Zhao, Andrew Haines, David Snoswell, Christoph Keplinger, Rainer Kaltseis, Siegfried Bauer, Ingrid Graz, Richard Denk, Peter Spahn, Goetz Hellmann, Jeremy J. Baumberg. “Electric-field-tuned color in photonic crystal elastomers”. Applied Physics Letters 100(10), 101902 (2012).
[7] Christoph Keplinger, Tiefeng Li, Richard Baumgartner, Zhigang Suo, Siegfried Bauer. “Harnessing snap-through instability in soft dielectrics to achieve giant voltage-triggered deformation”. Soft Matter 8(2), 285-288 (2012).
PDF | Front Cover
[6] Soo Jin Adrian Koh, Christoph Keplinger, Tiefeng Li, Siegfried Bauer, Zhigang Suo. “Dielectric elastomer generators: How much energy can be converted?”. IEEE/ASME Transactions on Mechatronics 16(1), 33-41 (2011).
[5] Rainer Kaltseis, Christoph Keplinger, Richard Baumgartner, Martin Kaltenbrunner, Tiefeng Li, Philipp Maechler, Reinhard Schwoediauer, Zhigang Suo, Siegfried Bauer. “Method for measuring energy generation and efficiency of dielectric elastomer generators”. Applied Physics Letters 99(16), 162904 (2011).
[4] Christoph Keplinger, Martin Kaltenbrunner, Nikita Arnold, Siegfried Bauer. “Roentgen’s electrode-free elastomer actuators without electromechanical pull-in instability”. Proceedings of the National Academy of Sciences of the United States of America 107(10), 4505-4510 (2010).
PDF | Supplemental
[3] Christoph Keplinger, Martin Kaltenbrunner, Nikita Arnold, Siegfried Bauer. “Capacitive extensometry for transient strain analysis of dielectric elastomer actuators”. Applied Physics Letters 92(19), 192903 (2008).
[2] Christian Metzger, Elgar Fleisch, Jan Meyer, Mario Dansachmueller, Ingrid Graz, Martin Kaltenbrunner, Christoph Keplinger, Reinhard Schwödiauer, Siegfried Bauer. “Flexible-foam-based capacitive sensor arrays for object detection at low cost”. Applied Physics Letters 92(1), 013506 (2008).
[1] Ingrid Graz, Martin Kaltenbrunner, Christoph Keplinger, Reinhard Schwoediauer, Siegfried Bauer, Stephanie P. Lacour, Sigurd Wagner. “Flexible ferroelectret field-effect transistor for large-area sensor skins and microphones”. Applied Physics Letters 89(7), 073501 (2006).
PDF | Front Cover

Conference Papers

[12]     Shardul Panwar, Umesh Gandhi, Eric Acome, Christoph Keplinger, Michael Rowe. "Simulation-driven design to reduce pull-in voltage of donut HASEL Actuators". Electroactive Polymer Actuators and Devices (EAPAD) Conference XXI 10966, 1096622 (2019).

[11]     Jay McMahon, Shane K. Mitchell, Kenshiro Oguri, Nicholas Kellaris, Donald Kuettel, Christoph Keplinger, Benjamin Bercovici. "Area-of-Effect Softbots (AoES) for Asteroid Proximity Operations". IEEE Aerospace Conference 1-16 (2019).

[10]     Cosima Schunk, Levi Pearson, Eric Acome, Timothy G. Morrissey, Nikolaus Correll, Christoph Keplinger, Mark Rentschler, J. Sean Humbert. "System Identification and Closed-Loop Control of a Hydraulically Amplified Self-Healing Electrostatic (HASEL) Actuator". IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) 978-1-5386-8094-0, 6417-6423 (2018).

T. Li, S. Qu, C. Keplinger, R. Kaltseis, R. Baumgartner, S. Bauer, Z. Suo, W. Yang. (2012). "Modeling guided design of dielectric elastomer generators and actuators". Electroactive Polymer Actuators and Devices (EAPAD), Proceedings of the SPIE 8340, 83401X. (2012).
[8] T. Li, S. Qu, C. Keplinger, Z. Suo, W. Yang. (2012). "Inhomogeneous deformation and instability in soft dielectric transducers". Bulletin of the American Physical Society BAPS.2012.MAR.X49.1 (2012).

[7] R. Baumgartner, C. Keplinger, R. Kaltseis, R. Schwödiauer, S. Bauer. "Dielectric elastomers: From the beginning of modern science to applications in actuators and energy harvesters". Electroactive Polymer Actuators and Devices (EAPAD) 2011, Proceedings of the SPIE 7976, 797603 (2011).

[6] M. Kaltenbrunner, C. Keplinger, N. Arnold, S. Bauer. "Electrode Free Elastomer Actuators with Unlimited Actuation Range". Actuator 10, Conference Proceedings 427 (2010).

[5] T. Li, C. Keplinger, L. Liu, R. Baumgartner, S. Qu. "Modeling of Inhomogeneous Deformation in a Dielectric Elastomer Generator for Energy Harvesting". ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems Volume 1, SMASIS2010 3792, 267 (2010).

[4]  R. Schwoediauer, I. Graz, M. Kaltenbrunner, C. Keplinger, P. Bartu, G. Buchberger, C. Ortwein, S. Bauer. "Cellular ferroelectrets for soft matter integrated devices with advanced functionality". 2008 13th International Symposium on Electrets ISE 13, B1203 (2008).

[3] M. Kaltenbrunner, C. Keplinger, N. Arnold, S. Bauer. "Analysis of safe and failure mode regimes of dielectric elastomer actuators". Sensors, 2008 IEEE 156 (2008).

[2] R. Schwoediauer, I. Graz, M. Kaltenbrunner, C. Keplinger, P. Bartu, G. Buchberger, C. Ortwein, S. Bauer.  "Cellular ferroelectrets for electroactive polymer hybrid systems: soft matter integrated devices with advanced functionality". Electroactive Polymer Actuators and Devices (EAPAD) 2008, Proceedings of the SPIE 6927, 69270Q69270Q-10 (2008). 

[1]  S. Bauer, S. Bauer-Gogonea, M. Dansachmueller, G. Dennler, I. Graz, R. Schwoediauer, C. Keplinger, H. Reiss, N. Sariciftci, B. Singh, M. Kaltenbrunner. "Piezoelectric polymers". Materials Research Society Symposium Proceedings 889, 0889-W01-02.1 (2006).

[4] Christoph Keplinger, Eric L. Acome, Nicholas A. Kellaris, Shane K. Mitchell, Madison B. Emmett. “Hydraulically Amplified Self-Healing ELectrostatic (HASEL) Transducers”, Provisional Patent Application (62/474,814).
[3] Joshua A. Lessing, Ana C. Glavan, S. Brett Walker, Christoph Keplinger, George M. Whitesides. “Cellulose and Cellulosic Substrate-Based Device”, International Patent (WO 2015/160684 A1).
[2] Jeong-Yun Sun, Christoph Keplinger, Zhigang Suo, George M. Whitesides.“Stretchable Ionics for Transparent Sensors and Actuators”, International Patent (WO 2014/169119 A1). PDF
[1] Siegfried Bauer, Ingrid Graz, Reinhard Schwoediauer, Christoph Keplinger, Martin Kaltenbrunner, Stephanie Lacour Perichon, Sigurd Wagner.“Ferrous Component”, International Patent (WO 2007/085035 A2). PDF!divAbstract