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Chiashi Lab
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The lab makes nanomaterials such as nanotubes and graphene and studies their properties.
AboutAbout the lab
From nanomaterial synthesis to analysis and applications
The Chiashi Lab studies nanoscale materials such as carbon nanotubes and graphene.
These nanomaterials have interesting properties that differ from those of ordinary materials.
The lab develops techniques for making nanomaterials and methods for analyzing them, and carries out research toward their applications.
While contributing to the advancement of nanotechnology, the lab also aims to help solve environmental and energy problems.
Key terms
- Carbon nanotube
- A material made by rolling a sheet of carbon atoms linked in a mesh-like network into a tube with a diameter of about a nanometer
- Spectroscopy
- A method of studying the properties of a material by shining light on it and measuring the light that comes out, separated by wavelength
- Chemical vapor deposition (CVD)
- A method of growing a film or crystal on a substrate by turning raw materials into gas and reacting them at high temperature
NewsLab news
View More ↗ResearchResearch themes
The lab develops synthesis techniques and analysis methods for nanomaterials such as carbon nanotubes and graphene, and conducts research toward their applications. It aims to build structures that combine nanomaterials with other substances, and to clarify new phenomena at the nanoscale and how matter and energy are transported.
*Illustrative imageInvestigating the Optical Properties of Nanotubes
The lab investigates the optical properties of single-walled carbon nanotubes using spectroscopic methods such as fluorescence, optical absorption, and Raman scattering. It focuses in particular on the space inside the tube, studying how molecules enter and leave it and how they become confined there.
*Illustrative imageSynthesizing Graphene and Other Two-Dimensional Materials
Using chemical vapor deposition (CVD), the lab aims to synthesize graphene, a single layer of carbon atoms, over large areas. It also aims to make stacked structures with similarly structured materials such as hexagonal boron nitride, as well as various other nanostructures.
*Illustrative imageCarbon Nanotube Yarns and Films with High Electrical Conductivity
Yarns and thin films made by bundling carbon nanotubes have high resistance, so the lab is searching for new techniques to shape them while keeping them highly conductive. They are expected to be used as a replacement for copper wire and as flexible, transparent conductive films.
MembersFaculty
The members of the Chiashi Lab consist of faculty and students in the doctoral program, the master's program, and the undergraduate program.As of 2026
- Associate ProfessorShohei ChiashiPublications ↗
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: “Carbon nanotube (8,8) 3D ball” Jynto / CC0 (cropped)
- Investigating the Optical Properties of Nanotubes: “Raman measurement of ionic liquid droplet” Tavo Romann / CC BY 4.0 (cropped)
- Synthesizing Graphene and Other Two-Dimensional Materials: “Graphene” Tavo Romann / CC BY-SA 4.0 (cropped)
- Carbon Nanotube Yarns and Films with High Electrical Conductivity: “CSIRO ScienceImage 988 Carbon nanotubes spun to form a yarn” CSIRO / CC BY 3.0 (cropped)
- Related lab (マイクロナノ熱流体工学研究室
（杵淵研究室） ): “Macro view of water droplets on transparent surface” Dreamora96x / CC BY 4.0 (cropped) - Related lab (宮内研究室(機能物性工学研究分野)): “Carbon nanotube (8,8) 3D ball” Jynto / CC0 (cropped)
- Related lab (大宮司・徐研究室): “Hoar frost ice crystals in Tuntorp 13” W.carter / CC BY-SA 4.0 (cropped)
- Related lab (熱流体工学研究室): “Bunsen burner ( )” Jason Woodhead / CC BY 2.0 (cropped)
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