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Yoshida Lab (Hisao Yoshida)
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A lab that uses light and catalysts to turn carbon dioxide and methane into useful substances.
AboutAbout the lab
Photocatalysts for a sustainable society.
Aiming for a sustainable society in harmony with the environment, the Yoshida Lab develops new high-performance solid catalysts and photocatalysts, as well as new photocatalytic reactions.
By analyzing the structures of photocatalysts and catalysts and the mechanisms of their reactions, the lab clarifies the relationship between them and builds a scientific framework for designing catalysts.
Undergraduates are assigned to the Materials Science Division and carry out their graduation research there (at the graduate level, the Materials Science Division of the Department of Human and Environmental Studies, Graduate School of Human and Environmental Studies).
Key terms
- Photocatalyst
- A substance that drives chemical reactions when it receives light. Used in reactions such as producing hydrogen from water.
- Artificial photosynthesis
- A technology that, like photosynthesis in plants, uses light energy to produce fuels and chemicals from water and carbon dioxide.
- XAFS
- X-ray absorption fine structure spectroscopy, a method for examining the structure around atoms in a material from how it absorbs X-rays.
NewsLab news
View More ↗ResearchResearch themes
The lab analyzes the structures and reaction mechanisms of photocatalysts and catalysts, and develops new high-performance solid catalysts and photocatalysts as well as new photocatalytic reactions.
*Illustrative imagePhotocatalysts for artificial photosynthesis
To reduce carbon dioxide and use it as a carbon resource, the lab develops photocatalysts that reduce carbon dioxide and photocatalysts that split water using solar energy to produce hydrogen.
*Illustrative imagePutting methane to use with photocatalysts
The lab studies photocatalytic steam reforming, which produces hydrogen at room temperature from methane in renewable resources and natural gas, and photocatalytic coupling, which joins methane molecules together.
*Illustrative imageNew organic synthesis using photocatalysts
For environmentally friendly chemical synthesis, the lab develops new photocatalytic reaction systems, such as attaching functional groups to aromatic rings, and elucidates their reaction mechanisms.
*Illustrative imageEnvironmental catalysts and element strategy
The lab improves the performance of precious metal catalysts that purify the environment and develops alternative catalysts. Using XAFS at synchrotron radiation facilities, it also analyzes the local structures of catalysts and other materials.
MembersFaculty
The Yoshida Lab consists of faculty members, part-time researchers, administrative staff, and doctoral, master's, and undergraduate students (including international students).As of 2026
- ProfessorHisao Yoshida
- Assistant ProfessorDaichi Takami
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: “TiO2Photocatalysis” Ibhadon AO, Fitzpatrick P. / CC BY-SA 3.0 (cropped)
- Photocatalysts for artificial photosynthesis: “Water splitting with a photocatalyst” Kavin Teenakul / CC BY-SA 4.0 (cropped)
- Putting methane to use with photocatalysts: “Gas-natural” CARLOS534 / CC BY-SA 4.0 (cropped)
- New organic synthesis using photocatalysts: “Benzene Representations-id” Benzene_Representations.svg: Vladsinger derivative work: Agung Karjono (talk) / CC BY-SA 3.0 (cropped)
- Environmental catalysts and element strategy: “Catalytic converter ( )” Oak Ridge National Laboratory / CC BY 2.0 (cropped)
- Related lab (Fujita Lab): “Iridium element” W. Oelen / CC BY-SA 3.0 (cropped)
- Related lab (Tsue Lab): “Carbon dioxide capture ( )” Oak Ridge National Laboratory / CC BY 2.0 (cropped)
- Related lab (Kogiso Lab): “Peridotite 5773” HAROUY Jean-Michel / CC BY-SA 4.0 (cropped)
- Related lab (Tanabe Lab): “Glow In The Dark D20 Dice” Dark Elf Dice / CC BY-SA 4.0 (cropped)
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