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Showing 1–26 of 26 results
Advanced filters: Author: Martin Kaltenbrunner Clear advanced filters

  • Organic solar cells are promising for technological applications, as they are lightweight and mechanically robust. This study presents flexible organic solar cells that are less than 2 μm thick, have very low specific weight and maintain their photovoltaic performance under repeated mechanical deformation.

    • Martin Kaltenbrunner
    • Matthew S. White
    • Siegfried Bauer
    ResearchOpen Access
    Nature Communications
    Volume: 3, P: 1-7

  • A wearable sweat sensor powered by a flexible solar cell can continuously collect multimodal physicochemical data—glucose, pH, sodium ion, sweat rate and skin temperature—across indoor and outdoor physical activities for over 12 h.

    • Jihong Min
    • Stepan Demchyshyn
    • Wei Gao
    Research
    Nature Electronics
    Volume: 6, P: 630-641

  • Inspired by fast running cheetahs, the authors present a class of small-scale soft electromagnetic robots able to reach ultra-high running speeds of 70 BL/s (body lengths per second) as well as the ability to swim, jump, steer and transport cargo.

    • Guoyong Mao
    • David Schiller
    • Martin Kaltenbrunner
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-11

  • Demonstration of high performance, upscaling and integration of ultra-lightweight perovskite solar cells are still rare. Hailegnaw et al. develop 2D perovskite solar cells based on methylbenzyl ammonium iodide with improved specific power and stability, showing scalability and integration in drones.

    • Bekele Hailegnaw
    • Stepan Demchyshyn
    • Martin Kaltenbrunner
    Research
    Nature Energy
    Volume: 9, P: 677-690

  • Realizing large area magnetoreceptive electronic skin with spatially continuous sensing is difficult. Here, the authors integrate the giant magnetoresistance effect and electrical resistance tomography to achieve continuous sensing of magnetic fields across an area of 120 × 120 mm2 with a resolution of 1 mm.

    • Pavlo Makushko
    • Jin Ge
    • Denys Makarov
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-11

  • Electronic sensor foils only 2 μm thick are extremely light, 27-fold lighter than office paper, durable and flexible and conform to curvilinear surfaces for many innovative applications.

    • Martin Kaltenbrunner
    • Tsuyoshi Sekitani
    • Takao Someya
    Research
    Nature
    Volume: 499, P: 458-463

  • Polymeric semiconductors have been prepared whose molecular properties make them stretchable and healable — a milestone in the development of sophisticated organic electronic surfaces that mimic human skin. See Letter p.411

    • Siegfried Bauer
    • Martin Kaltenbrunner
    News & Views
    Nature
    Volume: 539, P: 365-367

  • A model that predicts the force behaviour for solid/liquid-dielectric multilayer stacks independent of actuator design, and solely based on the material properties, can be used to develop actuators that provide a steady force output under constant-voltage operation.

    • Ion-Dan Sîrbu
    • David Preninger
    • Martin Kaltenbrunner
    Research
    Nature Electronics
    Volume: 6, P: 888-899

  • To realize electronic skins for emerging technologies that require multifunctional sensing capability, intelligent design strategies are needed. Here, the authors report electronic skins with a single sensory unit that simultaneously transduces both tactile and touchless stimulations.

    • Jin Ge
    • Xu Wang
    • Denys Makarov
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-10

  • Virus-induced senescence is a central pathogenic feature in COVID-19, and senolytics, which promote apoptosis of senescent cells, can reduce disease severity in hamsters,mice, as well as humans infected with SARS-CoV-2.

    • Soyoung Lee
    • Yong Yu
    • Clemens A. Schmitt
    Research
    Nature
    Volume: 599, P: 283-289

  • Stretchable and biodegradable elastic biogels based on gelatin, glucose, glycerol and citric acid are realized, whose mechanical properties can be adapted to a broad range of applications in soft robotics and wearable electronics.

    • Melanie Baumgartner
    • Florian Hartmann
    • Martin Kaltenbrunner
    Research
    Nature Materials
    Volume: 19, P: 1102-1109

  • Solid-state caloric cooling is a promising alternative to vapour compression, yet only a few prototypes have been shown. Greibich et al. now report an elastocaloric cooling device based on natural rubber with a cooling power of over 20 W g–1 that exploits snap-through instability and strain-induced crystallization.

    • F. Greibich
    • R. Schwödiauer
    • M. Kaltenbrunner
    Research
    Nature Energy
    Volume: 6, P: 260-267

  • Birds and many other animals can sense the Earth’s magnetic field, but not human beings. Here, Melzer et al. develop a type of artificial skin based on giant magnetoresistive sensor foils with micrometre thickness, which can be stretched up to >250% without sacrifices in device performance.

    • Michael Melzer
    • Martin Kaltenbrunner
    • Oliver G. Schmidt
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-8

  • Printable electronics is highly desirable for high throughput device manufacture. Here, Matsuhisa et al. report an electric ink, made of a self-assembled network of sliver flakes on the surface of a fluorine rubber matrix, which exhibits high conductivity and mechanical durability to achieve this goal.

    • Naoji Matsuhisa
    • Martin Kaltenbrunner
    • Takao Someya
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-11

  • Expensive equipment is often considered a prerequisite for good science. But the development of technology that is affordable and accessible to many could help promote a greater diversity of scientific thinking.

    • Michael Drack
    • Florian Hartmann
    • Martin Kaltenbrunner
    Comments & Opinion
    Nature Electronics
    Volume: 1, P: 484-486

  • Ultrathin sheets of polymer LEDs that emit light even when being crumpled or stretched have been realized. The 2-μm-thick devices emit red or orange light with a sufficiently high brightness for indoor applications, and they could prove useful for integration with textiles.

    • Matthew S. White
    • Martin Kaltenbrunner
    • Niyazi Serdar Sariciftci
    Research
    Nature Photonics
    Volume: 7, P: 811-816

  • Flexible electronics promise the opportunity to monitor biological activity via implanted devices. Here, the authors develop a biocompatible conductive carbon nanotube/gel composite and couple it with an ultrathin flexible amplifier, enabling in vivomeasurement of epicardial electrocardiogram signals.

    • Tsuyoshi Sekitani
    • Tomoyuki Yokota
    • Takao Someya
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-11

  • Co-patterning of a membrane protein bait and a fluorescently labeled prey is used to examine protein-protein interactions in a semiautomated fashion in living cells. Photobleaching experiments and single-molecule imaging further allow dynamic studies of the interaction.

    • Michaela Schwarzenbacher
    • Martin Kaltenbrunner
    • Gerhard J Schütz
    Research
    Nature Methods
    Volume: 5, P: 1053-1060

  • Robotic devices that can actuate at high speeds are challenging to achieve. Here, soft robotic devices driven by low magnetic fields show large deformations at frequencies of up to 100 Hz and are capable of a range of motions, including cross-clapping, walking, swimming and closing around a living fly.

    • Xu Wang
    • Guoyong Mao
    • Denys Makarov
    ResearchOpen Access
    Communications Materials
    Volume: 1, P: 1-10