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Miyamae-Kameyama Lab
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A spectroscopy and measurement lab that explores function from interfaces.
AboutAbout the lab
Exploring function from the interface.
The Miyamae-Kameyama Lab studies phenomena at surfaces and interfaces and how they relate to molecules.
The orientation of molecules at an interface strongly affects properties such as hydrophilicity, water repellency, adhesion, biocompatibility, friction, electrostatic charging, and antibacterial activity.
Sum-frequency generation spectroscopy is a method that uses the light emitted only from the boundary between different media when two short laser pulses of different wavelengths are applied.
Using this method and a variety of other spectroscopic techniques and measurement technologies, the lab investigates how molecules behave at interfaces.
Key terms
- Sum-frequency generation spectroscopy
- A method that applies two laser beams and measures the light emitted only from the boundary surface to determine the orientation of the molecules there
- Interface
- The boundary surface where two substances with different properties meet. A surface is an interface with air
- Operando measurement
- Measuring what is happening inside a device or instrument while it is actually operating
NewsLab news
A master's student received the Excellent Poster Award at the 64th Annual Meeting of The Adhesion Society of Japan
A PhD student received the Student Poster Award at the international conference M&BE12
A collaborative study clarified the role of amines that gather at adhesion interfaces (press release)
PhD and master's students received the Excellent Poster Award at the 19th Symposium on Molecular Science
A master's student received the Excellent Poster Award at the 63rd Annual Meeting of The Adhesion Society of Japan
ResearchResearch themes
The lab aims to clarify how the many micro- and macroscopic phenomena at surfaces and interfaces relate to molecules. Using spectroscopic methods and measurement technologies, including sum-frequency generation spectroscopy, it covers topics ranging from hydrophilicity, friction, and adhesion to charge transport inside organic devices.
*Illustrative imagePolymer interfaces
Polymer surfaces and interfaces take diverse forms depending on the application, such as hydrophilicity or hydrophobicity, friction, adhesion, and biocompatibility. The lab uses sum-frequency generation spectroscopy to study how function emerges as molecular orientation changes depending on the surrounding environment.
*Illustrative imageLiquid interfaces
Few methods can probe molecules at liquid surfaces, and sum-frequency generation spectroscopy is one of them. The lab analyzes the process by which oil solidifies at an oil-water boundary, the persistence of beer foam, the surfaces of ionic liquids, and more.
*Illustrative imageOperando measurement of organic electronics
To learn the potential distribution inside an operating organic EL device, the lab built its own electronic sum-frequency generation spectroscopy system. It has shown that the position of light emission changes with the layer structure, and that avoiding charge concentration leads to longer device lifetimes.
*Illustrative imageOrganic transistors
The way molecules are arranged at the interface between an organic semiconductor and an insulating film determines transistor characteristics. Using devices with monolayers of indigo or phosphonic acid, the lab investigates the relationship between molecular orientation at the interface and device characteristics.
MembersFaculty
The members of the Miyamae-Kameyama Lab consist of faculty, PhD, master's, and undergraduate students, non-degree students, and a lab secretary.As of 2026
- ProfessorTakayuki Miyamae
- Assistant ProfessorRisako Kameyama
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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: “TiSa crystal” No machine-readable author provided. Mathieu Perrin assumed (based on copyright claims). / CC BY 2.5 (cropped)
- Polymer interfaces: “UV down-conversion EPE polymer photovoltaic module encapsulant film” Radiotrefoil / CC BY-SA 4.0 (cropped)
- Liquid interfaces: “Beer in glass close up” Public Domain Images / Public domain (cropped)
- Operando measurement of organic electronics: “LG gram Pro Z90SPG OLED DISPLAY RGB DOT MATRIX, OLED PANEL MADE BY SAMSUNG DISPLAY” Dinkun Chen / CC BY-SA 4.0 (cropped)
- Organic transistors: “Four Thin Film Transistor Architectures” NoAppliedVoltage / CC BY-SA 4.0 (cropped)
- Related lab (Ishii-Fukagawa Lab): “AMOLED display microphoto 002 front ( )” Jan Helebrant / CC BY-SA 2.0 (cropped)
- Related lab (Yoshida Lab): “SynchrotronLight” Canadian Light Source Inc. / CC BY-SA 2.0 (cropped)
- Related lab (Miyamoto Lab): “Laser LY-RGBW01 internals optical table shining in smoke PC301982” Alexey Vazhnov / CC BY-SA 4.0 (cropped)
- Related lab (Materials Engineering Lab (Itoi Lab)): “Gray gold microstructure” Djhé / CC BY 4.0 (cropped)
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