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Molecular Information Systems Lab
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Centered on carbon nanotubes, the lab develops materials for batteries, biotechnology, power generation, and light emission.
AboutAbout the lab
Materials at the forefront of the world, through the power of chemistry.
The Molecular Information Systems Lab studies nanomaterials such as carbon nanotubes, from their fundamental physical properties to application development aimed at practical use.
Combining polymer chemistry, supramolecular chemistry, organic chemistry, and theoretical chemistry, it aims to create materials with properties such as light absorption, light emission, ion and electron conduction, and biocompatibility.
As a member of the WPI-I2CNER Electrochemical Energy Conversion Division, the lab also works on developing next-generation fuel cells.
On the lab's website, it is introduced under the name 'Fujigaya Lab.'
Key terms
- Carbon nanotube
- A nano-sized material made of carbon. It has characteristics that make it useful as a battery material, a near-infrared emitting material, and a life science material.
- Near-infrared light
- Light that passes easily through living tissue. Carbon nanotubes can absorb this light.
- Local chemical functionalization
- A method of chemically attaching an extremely small amount of molecules to the surface of single-walled carbon nanotubes. It can greatly improve their emission properties.
NewsLab news
A paper by a graduate was accepted by ACS Applied Bio Materials
A master's student received an Outstanding Poster Award at the 23rd Annual Meeting of the Thermoelectrics Society of Japan
A graduate's paper on locally functionalized nanotubes was accepted by Nanoscale
A master's student won a Poster Award at the 63rd Joint Kyushu Conference of Chemistry-Related Branches
A doctoral student received an Outstanding On-Demand Presentation Award at the Annual Meeting of the Society of Polymer Science, Japan
ResearchResearch themes
The lab integrates polymer chemistry, supramolecular chemistry, organic chemistry, and theoretical chemistry to develop innovative nanomaterials. It designs functions by considering the three-dimensional structure, electronic structure, and intermolecular interactions of molecules, aiming to develop next-generation energy materials that can be put into practical use in society.
*Illustrative imageDeveloping next-generation battery materials
Carbon materials excel in electrochemical stability, electrical conductivity, and mechanical strength, and they have a mesh structure that lets substances diffuse easily, which makes them ideal materials for electrodes in energy devices. The lab's strength is its know-how in making full use of these materials.
*Illustrative imageNanobio applications of carbon nanotubes
Carbon nanotubes are a rare substance that can absorb near-infrared light, which passes easily through living tissue. The lab works on biological applications that take advantage of this property.
*Illustrative imageDeveloping flexible thermoelectric generation sheets
Using single-walled carbon nanotubes as the material, the lab aims to develop thermoelectric conversion sheets with high conversion efficiency and durability. Focusing on the choice of diameter and electrical properties of the nanotubes used, and on understanding and controlling the contacts between nanotubes, it aims for high durability and high efficiency.
*Illustrative imageSupramolecular control of near-infrared emission
The near-infrared emission of semiconducting single-walled carbon nanotubes is considered useful in bioimaging and communications. Local chemical functionalization, in which an extremely small amount of molecules is chemically attached to the surface, can greatly improve the emission properties. Focusing on how the structure and function of the attached molecules affect emission, the lab aims to create new near-infrared emission functions.
MembersFaculty
The members of the Molecular Information Systems Lab consist of faculty, secretaries, ARIM (Advanced Research Infrastructure for Materials and Nanotechnology) project faculty, technical staff, technicians, limited-role staff, and administrative assistants, postdocs, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorTsuyohiko Fujigaya
- Associate ProfessorTomohiro Shiraki
- Assistant ProfessorNaoki Tanaka
- Assistant ProfessorMasa-aki Morikawa
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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: “Three examples of partitioning carbon nanotubes in liquid phases ( )” National Institute of Standards and Technology / Public domain (cropped)
- Developing next-generation battery materials: “1.5V Lithium Battery Charger and Cable Front Picture” TealComet / CC BY-SA 4.0 (cropped)
- Nanobio applications of carbon nanotubes: “Carbon nanotube zigzag povray cropped” Carbon_nanotube_zigzag_povray.PNG: Arnero derivative work: Antony-22 (talk) / Public domain (cropped)
- Developing flexible thermoelectric generation sheets: “New Horizon’s Radioisotope Thermoelectric Generator (nh-1280)” NASA / Public domain (cropped)
- Supramolecular control of near-infrared emission: “Supramolecular Assembly Lehn” M stone at English Wikipedia / CC BY-SA 3.0 (cropped)
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（カーボンニュートラル・ エネルギー国際研究所） ): “Solar Panels and Wind Generator - geograph.org.uk - 1218592” David Stowell / CC BY-SA 2.0 (cropped) - Related lab (有機機能分子化学研究室): “Organic Chemistry Lab by marthou” Marthou / CC BY-SA 4.0 (cropped)
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