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Iyoki Lab
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The lab tackles environmental problems with porous materials such as zeolites.
AboutAbout the lab
Creating materials that work between nature and people
The Iyoki Lab creates new materials that help solve environmental problems, and studies them from their synthesis processes through to their applications.
It is particularly strong in the synthesis and application of zeolites, porous materials used as catalysts and adsorbents.
To address challenges such as carbon neutrality and the circular economy, the lab will extend its research to other materials and to evaluation at the level of whole systems.
Lab visits are accepted at any time.
Key terms
- Zeolite
- A crystal in which pores too small to see are arranged in a regular pattern. It is used as a catalyst and an adsorbent.
- Adsorbent
- A material that removes specific substances from a gas or liquid by attaching them to its surface.
- CO2 hydrogenation
- A reaction in which carbon dioxide reacts with hydrogen and is converted into fuels or raw materials for chemicals.
- Circular economy
- An economic system in which resources are not thrown away after use but are recovered and used over and over.
NewsLab news
A student received the Outstanding Presentation Award
Associate Professor Iyoki received the Best Teaching Award from the Faculty of Engineering
Associate Professor Iyoki received the Young Scientists' Award, part of the Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology
The lab received a Company Award (Tosoh Corporation) from the CCUS Committee of the Society of Chemical Engineers, Japan
The lab received the Award for Advancements in Ceramic Science and Technology from the Ceramic Society of Japan
ResearchResearch themes
The lab covers the entire chain in a single research effort: from creating new materials that help solve environmental problems, to developing rational synthesis processes for them, to their applications. Centered on zeolites, which are used in catalysts and adsorbents, the lab is also working toward practical implementation.
*Illustrative imageCreating new porous materials
The lab develops new methods for synthesizing zeolites, as well as methods for treating them after the crystals have formed, in order to create zeolites that have never existed before. It has also discovered zeolites so resistant to breakdown that they overturn conventional assumptions.
*Illustrative imageDeveloping environmentally friendly synthesis methods
The lab aims for manufacturing processes that avoid raw materials with a high environmental impact or toxicity and keep energy consumption as low as possible. To achieve this, it also conducts research to understand the mechanisms of synthesis.
*Illustrative imageApplications for solving environmental problems
The lab develops adsorbents that capture greenhouse gases and catalysts that convert the captured material into useful substances. Its work includes direct air capture of CO2 and the conversion of CO2 into resources through CO2 hydrogenation.
MembersFaculty
The members of the Iyoki Lab consist of faculty, secretaries, temporary staff, work support staff, doctoral, master's, and undergraduate students, and research students.As of 2026
- Associate ProfessorKenta IyokiPublications ↗
- Project Assistant ProfessorTaiki HayashiPublications ↗
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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: “Muséum de Nantes - 132 - Zéolite (Inde)” Koreller / CC BY-SA 4.0 (cropped)
- Creating new porous materials: “Hypothetical-Zeolite” Louistheran / CC BY 3.0 (cropped)
- Developing environmentally friendly synthesis methods: “Akışkan Yataklı Reaktör” Hughesy127 / CC0 (cropped)
- Applications for solving environmental problems: “Calcium Looping Concept with Ca(OH)2 (colored)” Nico Mader / CC BY 4.0 (cropped)
- Related lab (Yamada-Kitada Lab): “Lithium-ion coin cell batteries in laboratory testing fixture” Chingo K / CC BY 4.0 (cropped)
- Related lab (Wakihara Lab): “Freiberg, Terra mineralia, Stellerit, Laumontit, Apophyllit” Dguendel / CC BY 4.0 (cropped)
- Related lab (Ito (Inagaki) Lab): “Superabsorber Hydrogel KSG 2917 pK” Petra Klawikowski / CC BY-SA 3.0 (cropped)
- Related lab (Tsuji Lab): “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)
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