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Ikuno Lab
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A lab creating next-generation electronic devices from nanocarbon and surfaces and interfaces.
AboutAbout the lab
Next-generation electronic devices from nanomaterials and interfaces
Ikuno Lab studies electronic devices and electronic materials, centered on surfaces and interfaces, nanocarbon materials, energy conversion devices, and optoelectronic devices.
Focusing on carbon, a main constituent material of living organisms, the lab develops carbon-based functional materials with low environmental impact and soft electronics devices made with them.
Using organic-inorganic hybrids, the lab also designs and develops biomimetic devices and electronic circuit networks.
By controlling the properties of material surfaces and of interfaces between different materials, the lab also develops soft energy conversion devices and sensors.
Key terms
- Cellulose nanofiber
- Fibers obtained by breaking down wood, with diameters on the order of tens of nanometers. They are one-fifth the weight of steel and have five times its strength
- Artificial optoelectronic synapse
- A device that mimics the human eye and brain. Its synaptic strength changes with time-series light input
- Triboelectric generator
- A device that converts environmental vibration into electricity
NewsLab news
Paper on a method for visualizing in-plane defects in SWCNT thin films accepted by Scientific Reports
Paper on surface modification to improve TENG output and maintain it over the long term accepted by Next Energy
Paper on an optoelectronic synapse device with color discrimination accepted by Scientific Reports
Paper on lowering the resistance of CNT wiring by copper iodide doping accepted by Jpn. J. Appl. Phys.
Paper on a DSC-based optoelectronic synapse device using a yellow dye accepted by Jpn. J. Appl. Phys.
ResearchResearch themes
As electronic devices become more sophisticated, next-generation electronic devices with new value that can address global-scale challenges are expected. Centered on carbon-based materials and the control of surfaces and interfaces, the lab develops materials with low environmental impact and soft devices.
*Illustrative imageCellulose nanofiber films
The lab developed a technology for making thin, flat films from cellulose nanofibers (CNF), which are obtained by breaking down wood. Thin-film devices are fabricated on these films, including transparent solar cell films that generate power from ultraviolet light alone.
*Illustrative imageCreating artificial optoelectronic synapses
Using an organic-inorganic hybrid with embedded semiconductor nanostructures, the lab built an artificial optoelectronic synapse that mimics the human eye and brain. Because the synaptic strength changes with time-series light input, it can be used for physical reservoir computing.
*Illustrative imageFrom plastic to nanocarbon
The lab developed a method and an apparatus for converting plastic into carbon nanotubes and graphene. Aiming to upcycle waste plastic into high-value nanocarbon materials, it also conducts research with companies and local governments.
*Illustrative imageSoft vibration energy harvesters
The lab studies triboelectric generators that convert environmental vibration into electricity, and flexible solar cells made from biomass. By analogy with semiconductor heterojunctions, the lab attempted to improve the output of triboelectric generators.
MembersFaculty
- ProfessorTakashi Ikuno
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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: “Multi-walled carbon nanotube” Anna-Versh / CC BY 4.0 (cropped)
- Cellulose nanofiber films: “Scanning electron image of wood pulp paper - 100x” Ckazilek / CC BY-SA 4.0 (cropped)
- Creating artificial optoelectronic synapses: “CMOS image sensor chip-scale package top” Phiarc / CC BY-SA 4.0 (cropped)
- From plastic to nanocarbon: “Glass and plastic recycling 065 ubt” © 2008 by Tomasz Sienicki [user: tsca, mail: tomasz.sienicki at gmail.com] / CC BY 3.0 (cropped)
- Soft vibration energy harvesters: “Flexible boards” www.eprlabs.com / CC BY-SA 3.0 (cropped)
- Related lab (岡田研究室): “Т-200, Т-201 термоэлектрические преобразователи, Микропровод Кишинёв 1979 (01)” 155LA3 / CC BY 4.0 (cropped)
- Related lab (柴研究室): “Jarvik-7 artificial heart prototype” Votpuske / CC BY 4.0 (cropped)
- Related lab (常盤研究室): “Lithium ion battery” Walter Davison / CC BY-SA 4.0 (cropped)
- Related lab (佐竹研究室): “CFD-Auspufftopf” MTB-Biker / CC BY-SA 4.0 (cropped)
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