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Sugahara Lab
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The lab creates materials that combine the best of organic and inorganic chemistry.
AboutAbout the lab
Linking organic and inorganic chemistry for next-generation materials.
The Sugahara Lab researches how to make "organic-inorganic hybrid" materials that combine the properties of organic and inorganic materials.
In addition to inorganic synthetic chemistry, the lab combines synthetic techniques from organic chemistry, organometallic chemistry, and polymer chemistry, without being bound by disciplinary boundaries.
Because material properties change greatly depending on the size of the organic and inorganic components and the state of the interface between them, the lab regards techniques for controlling these as key.
The resulting materials are carefully characterized with diffraction and spectroscopic methods, and the findings are fed back into synthesis to design even better materials.
Key terms
- Organic-inorganic hybrid
- A material that combines organic and inorganic substances at the molecular or nanoscale level, so that it has the strengths of both.
- Nanosheet
- A paper-thin, plate-like inorganic material that is only a few atoms thick.
- Preceramic polymer method
- A method in which a polymer is made in advance and then thermally decomposed to obtain ceramics in the form of thin films or fibers.
NewsLab news
Making ultrathin films of high-entropy oxides using liquid gallium
A master's student received the Excellent Presentation Award at the 2023 Spring Meeting of the Japan Society of Powder and Powder Metallurgy
ResearchResearch themes
The lab studies methods for making organic-inorganic hybrid materials and ceramic materials by combining techniques from inorganic synthetic chemistry with those from organic chemistry, organometallic chemistry, and polymer chemistry. Beyond making materials, it places importance on carefully investigating their structures and functions and feeding the results back into synthesis.
*Illustrative imageDecorating the Surfaces of Nanostructures
The lab makes inorganic nanostructures and modifies their surfaces with organic groups to produce "element blocks," which are then dispersed in polymers to form hybrids. It focuses especially on modification techniques that use phosphorus-based coupling agents.
*Illustrative imageLinking Molecules and Assembling Them
The lab develops methods for linking element blocks and heteroatom-containing molecules to create organic-inorganic hybrids that incorporate functional units. It uses steps that build inorganic networks, such as the sol-gel method, and polymerization reactions from polymer synthesis.
*Illustrative imageFrom Polymers to Ceramics
Using heteroatom-containing polymers (inorganic polymers) as precursors, the lab produces ceramic materials. By combining precursor synthesis with high-pressure synthesis techniques, it is exploring ways to obtain high-pressure phases under milder conditions.
MembersFaculty
The Sugahara Lab is made up of faculty members, researchers, and doctoral, master's, and undergraduate students.
- ProfessorYoshiyuki Sugahara
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: “Nacre sticks” Mauro Cateb / CC BY-SA 3.0 (cropped)
- Decorating the Surfaces of Nanostructures: “Titanium dioxide powder dispersing in water” Pixelmaniac pictures / CC0 (cropped)
- Linking Molecules and Assembling Them: “Jungle gym Wilhelminenaue Bayreuth 03” El Grafo / CC BY-SA 4.0 (cropped)
- From Polymers to Ceramics: “Ceramic fibre close up 1” Achim Hering / CC BY 3.0 (cropped)
- Related lab (小柳津研究室): “Fabrication of nanosheet by cast film method” Botasuleimen / CC BY-SA 4.0 (cropped)
- Related lab (下嶋研究室): “Quartz, Tibet” JJ Harrison / CC BY-SA 2.5 (cropped)
- Related lab (山口研究室): “Column chromatography - Feb. 2014” Максим Фомич / CC BY 2.0 (cropped)
- Related lab (細川研究室): “Green and yellow sea sponges, Antarctica” Steve Rupp, National Science Foundation / Public domain (cropped)
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