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Sugiyama Lab
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A lab that clarifies the physical properties of semiconductor materials and develops devices such as solar cells.
AboutAbout the lab
Bringing out the full appeal of semiconductors from both engineering and science.
The Sugiyama Lab studies the materials used in semiconductor optical devices, working to elucidate their physical properties and to develop devices with new functions.
Semiconductor optical devices fall into two basic types: solar cells, which absorb light and convert it into electrical energy, and LEDs, which convert electrical energy into light.
The research centers on inexpensive, safe solar cells made with chalcogenide materials such as CIGS-based ones, and on oxide wide-bandgap semiconductors such as NiO and ITO.
The lab also actively pursues research that combines semiconductors with other fields, such as building systems for a "new agriculture" for the age of IoT and ICT.
Key terms
- Semiconductor optical devices
- Devices such as solar cells, which absorb light and convert it into electrical energy, and LEDs, which convert electrical energy into light
- Chalcogenide materials
- Materials such as CIGS-, SnS-, and CTS-based ones, attracting attention as materials for next-generation, high-efficiency, low-cost thin-film solar cells
- Wide-bandgap semiconductors
- Semiconductors whose oxide-based examples include NiO, ITO, SnO2, and ZnSnO-based materials, and which are expected to be applied to transparent devices
ResearchResearch themes
The Sugiyama Lab uses semiconductors based on sulfur, selenium, and oxygen, with a view to prototyping devices that emit and receive light. It also aims to uncover the fundamental physical properties of these materials and to bring out the full appeal of semiconductors from both engineering and science.
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MembersFaculty
The Sugiyama Lab is made up of faculty members, a secretary, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorMutsumi Sugiyama
- Assistant ProfessorMasayuki Egashira
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: “Solar World wafer ( )” Oregon Department of Transportation / CC BY 2.0 (cropped)
- Solar Cell Materials and Oxide Semiconductors: “Rooftop Solar Panels 3KW” Dr. Chinchu C. / CC BY 4.0 (cropped)
- Related lab (永田研究室): “EFR-0SB40K23 opened” Mister rf / CC BY-SA 4.0 (cropped)
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- Related lab (居村研究室): “FES, Electric vehicle charging station, Wiesbaden (LRM )” Matti Blume / CC BY-SA 4.0 (cropped)
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