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Fujikawa Lab (Cooperative Course)
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A lab that develops nanomaterials that make use of atmospheric CO₂ and sunlight.
AboutAbout the lab
Nanoengineering for the future, taking the world one step ahead
The Fujikawa Lab studies nanomaterials for making full use of atmospheric carbon dioxide and sunlight.
The lab regards these, which are available anywhere on Earth, as “ubiquitous” sources of carbon and energy.
By developing materials whose size and structure are designed from the molecular level to the nanoscale, it aims to open up a new field called carbon-neutral chemistry.
Key terms
- Ubiquitous
- A word meaning existing anywhere at any time. The lab uses it to refer to atmospheric CO₂ and sunlight.
- Direct Air Capture
- A technology that captures CO₂ directly from the air. It is described as a technology that takes carbon back out of the atmosphere.
- Nano-kenzan
- A structure in which silicon nanowires stand vertically, like the pins of a kenzan (a Japanese flower-arranging needle holder). The gaps between the wires serve as the site of reaction.
NewsLab news
A paper on a self-healing CO₂ separation nanomembrane was published in ACS Applied Polymer Materials
A doctoral student received the Outstanding Poster Award at the 46th Young Researchers’ Meeting on Photochemistry
ResearchResearch themes
The Fujikawa Lab, with “nano” as its keyword, develops nanomaterials whose size and structure are designed from the molecular level to the nanoscale. Toward the effective use of ubiquitous substances and energy such as atmospheric carbon dioxide and sunlight, it aims to open up a new field called carbon-neutral chemistry.
*Illustrative imageSeparation nanomembranes that capture CO₂ from the air
This research aims to achieve Direct Air Capture, the direct capture of CO₂ from the atmosphere, using separation membranes. The lab has made giant free-standing nanomembranes a few hundred nm thick and several cm in diameter, and has succeeded in selectively passing CO₂ through a membrane about 30 nm thick.
*Illustrative imageLarge-area interfaces that harvest light
By precisely controlling the surface structure and size of common substances at the nanometer level, the lab creates large-area surface nanostructures with characteristic optical responses. A new light-conversion interface that combines large-area two-dimensional arrays of noble metal nanoparticles with molecular systems is being developed through collaborative research.
*Illustrative imageFunctional interfaces using nano-kenzan
The lab uses the gaps of several tens of nm in the nano-kenzan structure, in which silicon nanowires stand vertically like a forest, as a reaction space. It has realized an organic transformation system with catalyst nanoparticles attached to the surface, and is also pursuing collaborative research that takes advantage of the structure’s property of not reflecting light.
*Illustrative imageComposite nanomembranes that separate CO₂ from exhaust gas
The lab studies membrane separation technology for separating CO₂ from power plant exhaust gas. Through the approaches of making selective membranes thinner and modifying membrane surfaces, it is developing new membranes with excellent separation performance.
MembersFaculty
The members of the Fujikawa Lab consist of faculty members, academic researchers, doctoral, master’s, and undergraduate students, joint researchers from private companies, technical staff, and administrative staff.
- ProfessorShigenori Fujikawa
- Associate ProfessorRoman Selyanchin
- Associate ProfessorNaoki Osaka
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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: “Coal Carbon Capture Technology In Use” Peabody Energy, Inc. / CC BY 3.0 (cropped)
- Separation nanomembranes that capture CO₂ from the air: “Membrane nitrogen generator” GRASYS / CC BY-SA 3.0 (cropped)
- Large-area interfaces that harvest light: “Multicrystalline silicon wafer with thin film iridescence” Radiotrefoil / CC BY-SA 4.0 (cropped)
- Functional interfaces using nano-kenzan: “Glasswing nanostructures SEM” Radwanul / CC BY-SA 3.0 (cropped)
- Composite nanomembranes that separate CO₂ from exhaust gas: “Flue Gas Desulphurisation Plant at Rugeley Power Station - geograph.org.uk - 1520184” John M / CC BY-SA 2.0 (cropped)
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