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Catalyst Design Lab
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The lab designs catalysts that purify exhaust gas, using tiny metal particles and similar materials.
AboutAbout the lab
Driving reactions on the surface of solids.
The Satsuma Lab studies the design of catalysts that drive chemical reactions on the surfaces of solids.
It makes use of the functions of inorganic solids such as metal nanoparticles, clusters, and metal oxides.
The lab develops catalysts that protect the environment, such as three-way catalysts that purify automobile exhaust gas.
It also uses quantum chemical calculations to elucidate how catalysts work.
Key terms
- Three-way catalyst
- A catalyst that simultaneously converts three pollutants in gasoline vehicle exhaust (nitrogen oxides, carbon monoxide, and hydrocarbons) into harmless substances
- Bimetal
- A combination of two kinds of metals, which shows properties different from those of a single metal
- Quantum chemical calculation
- A method that solves equations describing the behavior of electrons on a computer to obtain molecular shapes and the energy required for reactions
ResearchResearch themes
The lab studies the adsorption and catalytic functions shown by atoms and molecules on the surfaces of inorganic solids and by nanoscale assemblies such as metal clusters. It applies this to developing catalysts that purify automobile exhaust gas, and also uses theoretical calculations to elucidate how the materials work.
*Illustrative imageAutomotive catalysts without precious metals
Three-way catalysts that clean exhaust gas use rare and expensive platinum, palladium, and rhodium. The lab studies three-way catalysts that do not use precious metals, as well as bimetallization techniques to reduce the amount of precious metals.
*Illustrative imageCatalysts combining two kinds of metals
To avoid using platinum-group elements or to reduce the amount used, the lab focuses on bimetallization. It prepares bimetallic nanoparticle catalysts and investigates their effects using cutting-edge analysis and theoretical calculations.
*Illustrative imageExploring catalytic reaction mechanisms with theoretical calculations
Using quantum chemical calculations, the lab investigates how molecules adsorb on a catalyst surface, how atoms rearrange, and how much energy is required. By learning in detail about adsorption configurations and energies that are difficult to obtain in experiments, it works toward designing better catalysts.
MembersFaculty
The Satsuma Lab consists of faculty, administrative assistants, and doctoral, master's, and undergraduate students.
- ProfessorAtsushi Satsuma
- LecturerKyoichi Sawabe
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: “Catalytic converter ( )” Oak Ridge National Laboratory / CC BY 2.0 (cropped)
- Automotive catalysts without precious metals: “2006 Car Exhaust Pipe” Matthew Paul Argall / Public domain (cropped)
- Catalysts combining two kinds of metals: “Platinum nanoparticles” PieroSpeleo / CC BY-SA 4.0 (cropped)
- Exploring catalytic reaction mechanisms with theoretical calculations: “B2H6 intrinsic bond orbital” Alicesu / CC BY-SA 4.0 (cropped)
- Related lab (Energy Conversion Chemistry Lab): “Digital Ceramics Printing Lab” BSUELK / CC0 (cropped)
- Related lab (Molecular Life and Environmental Process Lab): “Pseudomonas” Photo Credit: Janice Haney Carr Content Providers(s): CDC/ Janice Haney Carr / Public domain (cropped)
- Related lab (Biosupramolecular Chemistry Lab): “Dna-163466” PublicDomainPictures / CC0 (cropped)
- Related lab (Organic Structural Chemistry Lab): “Naphthalene-3D-molecular-model-engraved-render-CAS-91-20-3” MolGod Scientific / CC BY-SA 4.0 (cropped)
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