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Catalytic Function Chemistry Lab
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A lab that develops photocatalysts to produce hydrogen from water using sunlight.
AboutAbout the lab
Turning sunlight into usable energy
The Catalytic Function Chemistry Lab (Abe Lab) develops new photocatalytic systems, centered on research into "artificial photosynthesis," which produces hydrogen directly from water using sunlight.
The lab also works on "photo-driven environmental purification," which uses light energy to decompose harmful substances and render them harmless, and on "photo-driven fine chemical synthesis," which synthesizes useful compounds.
Key terms
- Photocatalyst
- A substance that absorbs light and drives a chemical reaction without itself being changed
- Z-scheme
- A mechanism that imitates plant photosynthesis by absorbing light in two stages
- Cocatalyst
- A substance placed in small amounts on the surface of a photocatalyst to help the reaction proceed more easily
ResearchResearch themes
The lab is developing new photocatalytic systems for solar energy conversion (artificial photosynthesis) and environmental purification.
*Illustrative imageMaking hydrogen from water with sunlight
Using a "two-step photoexcitation (Z-scheme) water-splitting system" that imitates plant photosynthesis, the lab has succeeded in splitting water with visible light. Using metal oxynitrides and organic dyes, it is working on water splitting with light of longer wavelengths.
*Illustrative imagePhotocatalysts that work under indoor light
The lab found that placing a small amount of a cocatalyst such as platinum on tungsten oxide (WO3) makes the oxidative decomposition of organic compounds proceed with high efficiency under visible light. It is working on applying this to deodorization and antibacterial uses under fluorescent lamps and LEDs, and on improving its performance.
*Illustrative imageSelectively making compounds with light
The lab found that surface-modified tungsten oxide-based photocatalysts drive organic synthesis reactions with extremely high selectivity compared with titanium oxide-based ones. It is also working to elucidate the reaction mechanism and to develop selective photoreduction systems.
MembersFaculty
- ProfessorRyu Abe
- LecturerHajime Suzuki
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: “Tungsten trioxide” Leiem / CC BY-SA 4.0 (cropped)
- Making hydrogen from water with sunlight: “Water splitting with a photocatalyst” Kavin Teenakul / CC BY-SA 4.0 (cropped)
- Photocatalysts that work under indoor light: “Kristallstruktur Wolfram(VI)-oxid” Orci / CC BY-SA 3.0 (cropped)
- Selectively making compounds with light: “Sodium tungsten bronze” Brammers / Public domain (cropped)
- Related lab (Catalyst Design Engineering Lab): “Secretary Perry and Scientists Discussing Solid Oxide Fuel Cells at NETL ( )” U.S. Department of Energy from United States / Public domain (cropped)
- Related lab (Catalytic Organic Chemistry Lab): “Catalyst nanoparticles” Luca Silvioli / CC BY-SA 4.0 (cropped)
- Related lab (Controlled Polymer Synthesis Lab): “CNT CPP” Duckhemist / CC BY-SA 4.0 (cropped)
- Related lab (Organic Reaction Chemistry Lab): “WorkingAtFumeHood” Walkerma / CC BY-SA 3.0 (cropped)
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