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Tsuji Lab
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The lab develops eco-friendly thin-film materials that make effective use of resources.
AboutAbout the lab
Eco-friendly thin-film materials that make the most of resources
Tsuji Lab studies eco-friendly functional thin-film materials that use resources effectively, with the aim of building a sustainable society.
For thin-film materials used in displays and solar cells, the lab clarifies the relationships among fabrication methods, structure, and function, and develops materials based on designs set in advance.
The lab is researching how to make organic and inorganic thin films through low-cost coating and drying processes.
Lab visits are accepted at any time.
Key terms
- Thin film
- A very thin film, from nanometers to micrometers thick, formed on a substrate
- Coating process
- A method of making a film by applying a liquid containing the material and letting it dry. It makes it easy to form films over large areas at low cost.
- Oxide semiconductor
- A semiconductor made of a metal oxide. Some, such as zinc oxide, are transparent and conduct electricity well.
- Colloid
- A state in which fine particles are dispersed in a liquid or other medium. It is common in familiar products such as inks and cosmetics.
NewsLab news
View More ↗ResearchResearch themes
Tsuji Lab controls the structure of matter at the nanoscale and clarifies the relationships among the fabrication process, structure, and function of thin-film materials used in displays and solar cells. The lab also works on applications to devices ranging in size from the nano to the micro scale.
*Illustrative imageOxide Semiconductor Thin Films
The lab makes thin films of oxide semiconductors, such as zinc oxide, that are transparent and conduct electricity well, using coating processes. By advancing nanostructure control and lower-temperature processing, it aims to apply these films to displays, solar cells, and thermoelectric conversion devices.
*Illustrative imageOrganic Semiconductor Thin Films
This research controls the structure of organic thin films at the nanoscale using low-cost coating processes. By clarifying the relationship between structure and properties, the lab aims to contribute to the development of future OLED TVs and OLED lighting.
*Illustrative imageSilicon-Based Materials
This research controls the shape of silicon produced by the zinc reduction method and applies it to raw materials for solar cells and to negative electrode materials for lithium-ion batteries. The lab also studies silicon nanoparticles as fluorescent materials for uses such as medical diagnostics.
*Illustrative imageKnowledge Base for Colloid Aggregation
The lab is building a simulation platform that shows how colloidal dispersions, which are important in inks, cosmetics, foods, and pharmaceuticals, disperse and aggregate during flow and drying. It is also building a knowledge base for risk assessment of nanomaterials.
MembersFaculty
The members of Tsuji Lab consist of faculty members, project researchers, joint researchers, project specialist staff, senior experts, dispatched specialist staff, and doctoral and master's students.As of 2026
- ProfessorYoshiko Tsuji
VoicesStudent voices
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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: “Viscous fingers in a TiO2 sol-gel thin film formed from a Saffman-Taylor instability. 200x magnification reflected light” Claire Trease, Kingston University / CC BY-SA 4.0 (cropped)
- Oxide Semiconductor Thin Films: “Such different zinc oxide - nanorods” Andrey P. Tarasov / CC BY 4.0 (cropped)
- Organic Semiconductor Thin Films: “Electrohydrodynamic instability patterning in a thin polymer film. 500x magnification reflected light” Claire Trease, Kingston University / CC BY-SA 4.0 (cropped)
- Silicon-Based Materials: “Polysilicon compilation” Images used in compilation by Georg Slickers, Warut Roonguthai and Компания НИТОЛ. Compilation Own work. / CC BY-SA 3.0 (cropped)
- Knowledge Base for Colloid Aggregation: “Physics of Colloids in Space (PCS) experiment on the International Space Station - 2001” NASA / Public domain (cropped)
- Related lab (山田・北田研究室): “Lithium-ion coin cell batteries in laboratory testing fixture” Chingo K / CC BY 4.0 (cropped)
- Related lab (太田研究室): “Nanoparticles ( )” National Institute of Standards and Technology / Public domain (cropped)
- Related lab (Tung研究室): “Molybdenite-238917” Robert M. Lavinsky / CC BY-SA 3.0 (cropped)
- Related lab (脇原研究室): “Freiberg, Terra mineralia, Stellerit, Laumontit, Apophyllit” Dguendel / CC BY 4.0 (cropped)
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