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Homma Lab
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The lab uncovers reactions at solid-liquid interfaces at the nanoscale and creates new devices.
AboutAbout the lab
Creating new devices through nanoelectrochemistry.
The Homma-Fukunaga Lab uses electrochemistry, surface chemistry, and computational chemistry to investigate reactions that occur at interfaces where solids and liquids meet.
It works on nanoscale microfabrication processes, techniques for observing and controlling interfacial reactions, and computational techniques for understanding reaction mechanisms.
From this work, it aims to create new functional materials and devices and to establish design guidelines starting from the atomic and molecular level.
It is also developing materials and processes related to energy, such as fuel cells, electroreduction, and the safe use of hydrogen.
Key terms
- Electrodeposition
- A method of passing electric current through a solution so that only the target metal accumulates as a film or particles on the electrode surface.
- Surface-enhanced Raman scattering
- A phenomenon in which light scattering is intensified near metal nanostructures. It makes it possible to identify even very small numbers of molecules.
- Thermoelectric device
- A device that converts a temperature difference directly into electricity. It is expected to be used to generate power from heat in everyday surroundings.
NewsLab news
The lab's research results were published in Spectrochimica Acta Part A
A doctoral student received a Student Presentation Award at JSR2026
The lab's research results were published in ACS Applied Materials & Interfaces
The lab's research results were published in Electrochemistry
The lab's research results were published in ACS Omega
ResearchResearch themes
Building on electrochemistry, surface chemistry, and computational chemistry, the lab uncovers what happens at interfaces where solids and liquids meet, and applies that knowledge to creating new materials and devices. Prof. Homma works on fabrication processes for nanostructures and on measurement and theoretical analysis of interfaces, while Prof. Fukunaga works on materials and processes for energy applications such as fuel cells, electroreduction, and hydrogen utilization.
*Illustrative imageNanodevices made by electrodeposition
The lab combines electrodeposition processes with microfabrication to make nanoscale and microscale devices. Targets include thermoelectric devices that convert heat into electricity and bit-patterned media aimed at ultra-high-density magnetic recording.
*Illustrative imageObserving interfaces with light
Using surface-enhanced Raman scattering, in which scattered light is intensified near metal nanostructures, the lab observes previously invisible interfaces in situ. It works both on developing the sensors themselves and on precise analysis of electrode surfaces and thin films.
*Illustrative imageFuel cells
A fuel cell is a device that directly generates electricity from the reaction of hydrogen and oxygen without emitting carbon dioxide. Taking advantage of this feature, the lab works on applications that use fuel cells as chemical reactors, and on the research and development of new proton-conducting ceramic fuel cells.
*Illustrative imageChemicals made by electroreduction
If electroreduction is carried out using surplus electricity generated from renewable energy, it may be possible to obtain chemicals without emitting carbon dioxide. The lab works on directly producing methane and methanol from carbon dioxide, and on the electrochemical synthesis of ammonia.
MembersFaculty
The members of the Homma-Fukunaga Lab consist of faculty, researchers, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorTakayuki Homma
- ProfessorAkihiko Fukunaga
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: “Microcrystalls of nickel” Michał Milczarek / CC BY-SA 4.0 (cropped)
- Nanodevices made by electrodeposition: “Hard disk head crash” Alchemist-hp / CC BY-SA 3.0 (cropped)
- Observing interfaces with light: “Gold Colloid of varying size” Kumarbarc / CC BY-SA 4.0 (cropped)
- Fuel cells: “Apollo SM fuel cell” James Humphreys - SalopianJames / CC BY-SA 3.0 (cropped)
- Chemicals made by electroreduction: “Barrow Offshore wind turbines NR” Original: Andy Dingley; Edit: Muhammad / CC BY-SA 3.0 (cropped)
- Related lab (Momma Lab): “Coin-cells” Gerhard H Wrodnigg / CC BY-SA 2.5 (cropped)
- Related lab (Yamaguchi Lab): “Column chromatography - Feb. 2014” Максим Фомич / CC BY 2.0 (cropped)
- Related lab (Kirimura Lab): “Aspergillus oryzae (koji)” Forrest O. / CC BY-SA 2.0 (cropped)
- Related lab (Umeno Lab): “Lysozyme Protein Crystal in Hanging-Drop Crystallization” Rohit Sharma / CC BY 4.0 (cropped)
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