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Nishio Lab
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A lab that studies materials for sensors and thermoelectric power generation, with making things at its core.
AboutAbout the lab
Exploring materials, starting from making things
Nishio Lab studies materials used for sensors, thermoelectric power generation, control of thermal expansion, and porous materials.
The lab holds that a substance becomes a "material" the moment people think of using it for something, and it bases the fundamentals of materials research on making "things."
Using synthesis methods such as the sol-gel method and spark plasma sintering, the lab produces metal oxide ceramics and thin films.
The information on the lab's website dates from around 2020.
Key terms
- thermoelectric material
- A material that makes up thermoelectric power generation modules, which convert heat directly into electricity.
- spark plasma sintering
- A method in which a large pulsed direct current is passed through powder placed in a die to produce a dense sintered body in a short time.
- mesoporous silica
- A representative porous material. Its specific surface area is very large, at several hundred m²/g.
ResearchResearch themes
The lab holds that a substance becomes a "material" the moment people think of using it for something, and it bases materials research on making "things." Striving to explore processes, physical properties, and applications in depth, it studies materials for sensors, thermoelectric power generation, control of thermal expansion, porous materials, and more.
*Illustrative imageHydrogen gas leak detection sensors
A Pt-WO3 thin film turns blue the moment it comes into contact with hydrogen gas and at the same time becomes electrically conductive. Using these optical and electrical properties, the lab studies applications to sensors that detect hydrogen gas.
*Illustrative imageThermoelectric materials for waste heat power generation
The lab develops thermoelectric power generation modules that convert heat directly into electricity, as well as the thermoelectric materials that make them up. It aims for materials and modules that can generate power from the waste heat of car engines, incinerators, industrial furnaces, and the like, and that release no emissions during power generation.
*Illustrative imageMaterials showing negative thermal expansion
ZrW2O8 shows negative thermal expansion over a wide temperature range, from −272.7 °C to 777 °C, but it is a substance from which it is difficult to make sintered bodies. By combining the sol-gel method and spark plasma sintering, the lab succeeded in producing a dense sintered body at 600 °C, and it is also developing heat sinks with a controlled coefficient of thermal expansion and thermal conductivity.
*Illustrative imageDeveloping porous metal oxide materials
Using surfactants, metal complexes, and the like, the lab synthesizes mesoporous silica supporting platinum nanoparticles, hollow silica, and porous titanium oxide. These materials are expected to be applied to the decomposition and removal of environmental pollutants and to catalysts for chemical synthesis.
MembersFaculty
Nishio Lab's members consist of faculty, master's and undergraduate students, and faculty from affiliated graduate schools.
- ProfessorKeishi Nishio
- Assistant ProfessorAkane Mimizo
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: “CO2 Sensor SCD30” Sensirion AG / CC BY-SA 4.0 (cropped)
- Hydrogen gas leak detection sensors: “Detector for Gas” Sansumaria at English Wikipedia / CC BY-SA 3.0 (cropped)
- Thermoelectric materials for waste heat power generation: “Waste to heat chimneys” Robert-brook / CC0 (cropped)
- Materials showing negative thermal expansion: “Spark Plasma Sintering” Raihan.Rumman / CC BY-SA 3.0 (cropped)
- Developing porous metal oxide materials: “Structure of ZIF-8(H)” François-Xavier Coudert / CC BY 4.0 (cropped)
- Related lab (望月研究室): “Crystal structure of gamma-Oxygen” Forbes72 / CC BY-SA 4.0 (cropped)
- Related lab (勝又研究室): “Tomek Rygalik Kobro Tribute Chair 2026 transparent glass Polish modernism exhibition Warsaw 2026” Siarhei V / CC BY-SA 4.0 (cropped)
- Related lab (小嗣研究室): “Alnico magnet assortment” 作者不詳 / Public domain (cropped)
- Related lab (田村研究室): “Rendering of quasicrystal lattice structure” LinKayser / CC BY-SA 4.0 (cropped)
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