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Takeya Lab
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The lab develops high-performance transistors using organic semiconductors that can be made simply by coating a solution.
AboutAbout the lab
Soft electronics created from molecules
The Takeya Lab studies devices made with organic semiconductors, which are soft and easy to fabricate.
Because organic semiconductors can be applied as a solution to form films, they are expected to enable electronic components that are inexpensive and place a small burden on the environment.
The lab leads this field, for example by producing organic transistors with the world's highest performance simply by coating a solution.
The lab pursues basic research on molecular chemistry and electron behavior together with the development of new devices.
Key terms
- Organic semiconductor
- A semiconductor made of organic molecules centered on carbon. It is soft and can be formed into films by coating with a solution.
- Transistor
- A component that switches an electric current on and off or amplifies it. It is the basis of electronic circuits.
- Hall effect
- A phenomenon in which a voltage is generated sideways when current flows in a magnetic field. It is used to investigate the properties of the particles that carry the electric charge.
- Heterojunction interface
- The interface formed when different types of semiconductors are stacked on each other.
NewsLab news
View More ↗ResearchResearch themes
The lab studies organic semiconductors, which can be made in ways that are inexpensive, simple, and low in environmental impact, and which are also soft. It carries out basic research that creates new organic semiconductor materials and interfaces and investigates how electric current flows in them, together with applied research that connects to the organic electronics industry.
*Illustrative imageDevelopment of High-Performance Organic Devices
The lab develops high-performance organic transistors using its own method of coating a solution to form highly crystalline films. It is also working on three-dimensional organic transistors that drive displays and on circuits that operate at high speed.
*Illustrative imageCharge Transport in Organic Transistors
The lab investigates how electric charge is transported inside high-performance organic transistors. Hall effect experiments revealed that there are many electrons linking neighboring molecules to one another.
*Illustrative imageElectron Layers at Organic Semiconductor Interfaces
This research creates a conductive layer at the interface (heterojunction interface) where different types of organic semiconductors are stacked, producing a new two-dimensional electron layer.
MembersFaculty
The members of the Takeya Lab consist of faculty, project researchers, doctoral, master's, and undergraduate students, and visiting collaborative researchers.As of 2026
- ProfessorJun TakeyaPublications ↗
- Project ProfessorHideaki Takayanagi
- Associate ProfessorYasunari TamaiPublications ↗
- Project Assistant ProfessorZijing Guo
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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: “Rubrene” Northfox at en.wikipedia / Public domain (cropped)
- Development of High-Performance Organic Devices: “Pentacene molecule spacefill from xtal” Jynto (more from this user) / CC0 (cropped)
- Charge Transport in Organic Transistors: “Pentacene molecule ball from xtal” Jynto (more from this user) / CC0 (cropped)
- Electron Layers at Organic Semiconductor Interfaces: “SegStackEdgeOnHMTFCQ” Smokefoot / CC BY-SA 4.0 (cropped)
- Related lab (Fujioka Lab): “Blue light emitting diodes over a proto-board” Gussisaurio / CC BY-SA 3.0 (cropped)
- Related lab (Yanagida Lab): “Zinc Nanowires ( )” National Institute of Standards and Technology / Public domain (cropped)
- Related lab (Suzuki-Yamashita Lab): “Alfa-Keggin” Quimiprof / CC BY-SA 4.0 (cropped)
- Related lab (Fujita Lab): “Fujita Asymmetric 2+2 Photoaddition Catalyst” Vsrisuknimit / CC BY-SA 3.0 (cropped)
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