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Nano Electronic Devices Lab
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The lab uses carbon nanotubes to create soft electronics that harmonize with people.
AboutAbout the lab
Toward future electronics in harmony with people.
The Ohno Lab uses nanomaterials such as carbon nanotubes to research transparent, freely deformable flexible electronic devices.
Its goal is a sensor system that fits the human body, with everything from the sensors to the circuits to the wireless section made of soft materials.
The lab studies new materials and devices from the perspectives of materials, physical properties, processes, and evaluation.
It is also advancing the integration of electronics with biology and medicine.
Key terms
- Carbon nanotube
- A substance in which carbon atoms are connected in a tube shape, with a diameter of about a nanometer. It can be either metallic or semiconducting
- Reservoir computing
- A machine learning approach that requires little effort and energy for training
- Analog front-end circuit
- A circuit that amplifies weak signals captured by a sensor and converts them into digital values
NewsLab news
A master's student received the Young Researcher Encouragement Award and the Nanoscale Horizons Award at the 71st Fullerenes-Nanotubes-Graphene General Symposium
Paper on the effect of amino acid adsorption on semiconducting CNTs published in JJAP
Paper on carrier doping of CNT thin-film transistors with sumanene molecules published in J. Phys. Chem. C
A master's student received the Young Researcher Encouragement Award at the 66th Fullerenes-Nanotubes-Graphene General Symposium
A master's student received the Excellent Presentation Award at the Interim Presentation of Master's Theses of the Electrical Engineering Departments
ResearchResearch themes
The lab aims to realize a "fully" flexible sensor system, soft throughout, that harmonizes with the human body both mechanically and biochemically. Centered on carbon nanotube thin films, the key to this goal, it conducts consistent research across the stages of materials, devices, circuits, and systems.
*Illustrative imageSignal processing circuits on soft films
The lab integrates analog front-end circuits, which amplify and digitize weak biological signals such as electrocardiograms, on plastic film, including the A/D converter. It is also extending this work to transmitters for human body communication, which uses the human body as a transmission path.
*Illustrative imageEdge AI in which the sensor itself learns
The lab uses the array of carbon nanotube electrochemical sensors itself for reservoir computing, performing machine learning inside the sensor. It has also demonstrated the prediction of blood glucose fluctuations in patients with type 1 diabetes.
*Illustrative imageStretchable low-voltage integrated circuits
Using a technique for controlling local strain, the lab makes stretchable transistors and integrated circuits whose characteristics barely change when stretched. This is a foundational technology for electronics that stretch and shrink like skin.
*Illustrative imageMaterials technology for semiconducting CNT thin films
The lab consistently studies the whole process: dispersion of carbon nanotubes, separation of semiconducting and metallic tubes, film formation, device processes, and evaluation and analysis. It develops techniques to form highly uniform films and to extract long semiconducting carbon nanotubes.
MembersFaculty
The members of the Ohno Lab consist of faculty, a secretary, technical assistants, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorYutaka Ohno
- Assistant ProfessorMasahiro Matsunaga
- Assistant ProfessorHaruki Uchiyama
- Project Assistant ProfessorAdha Sukma Aji
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Hukseflux flexible heat flux sensor FHF04 with incorporated temperature sensor” Hukseflux TS / CC BY-SA 4.0 (cropped)
- Signal processing circuits on soft films: “Flexible Printed Circuit Board Glued To Support” Richard Wheeler User:Zephyris / CC BY-SA 3.0 (cropped)
- Edge AI in which the sensor itself learns: “NXP PCF8577C LCD driver with I²C (Colour Corrected)” cole8888, https://flickr.com/photos/ @N05/ (aka Cole L) / CC BY-SA 2.0 (cropped)
- Stretchable low-voltage integrated circuits: “Wafer scale integrated circuit on 300 mm wafer” Wikideas1 / CC0 (cropped)
- Materials technology for semiconducting CNT thin films: “Süsiniknanotorufiiber” Rünno Lõhmus / CC BY-SA 3.0 (cropped)
- Related lab (Nanobiosensing Lab): “Atomic force microscope by Zureks” Zureks / CC BY-SA 3.0 (cropped)
- Related lab (Information Networks Lab): “Optical fibre distribution cabinet Finland closeup” Antti Leppänen / CC BY 4.0 (cropped)
- Related lab (Nano Spin Devices Lab): “Spintronic Devices ( )” National Institute of Standards and Technology / Public domain (cropped)
- Related lab (Functional and Energy Materials Engineering Lab): “Levitating HTS BSCCO piece (Meissner effect)” Winiar / CC BY-SA 3.0 (cropped)
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