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Yoshinobu Lab
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A lab that explores how atoms and molecules move and react on solid surfaces.
AboutAbout the lab
Surfaces as reaction fields for assembling new materials
The Yoshinobu Lab studies how atoms and molecules move and react on solid surfaces.
A solid surface is a "reaction field" where atoms and molecules supplied from outside can be assembled into new materials.
Using vibrational spectroscopy, photoelectron spectroscopy, and scanning tunneling microscopy, the lab investigates the structure, properties, and reactions of model catalysts and low-dimensional materials such as atomic layers.
This research helps us understand not only catalysts and devices but also chemical reactions in the global environment and in space.
Key terms
- Scanning tunneling microscope
- A microscope that brings a sharp tip extremely close to a surface and images the arrangement of atoms one by one from the current that flows
- Model catalyst
- A simple catalyst made with a carefully ordered atomic arrangement, used to study how catalysts work
- THz pulse
- An extremely brief burst of electromagnetic waves with a frequency between that of light and radio waves
NewsLab news
Joint research with Hiroshima University enhances the efficiency of photolysis of photocaged molecules through electron spin
Spatially selective observation of electronic states unique to graphite edge surfaces
A doctoral student received the Outstanding Student Presentation Award from the Physical Society of Japan
Observation of the CO2 hydrogenation process at room temperature on a PdCu single-atom alloy catalyst
An Assistant Professor received the Young Researcher Award from the Japan Society of Vacuum and Surface Science
ResearchResearch themes
The lab aims to understand the dynamics of atoms and molecules on solid surfaces and to create atomically designed structures on surfaces. It examines metal, semiconductor, and insulator surfaces using surface spectroscopy, scanning tunneling microscopy, and other methods.
*Illustrative imageBehavior of Atoms and Molecules on Surfaces
The lab investigates how atoms and molecules vibrate, diffuse, and react on metal, semiconductor, and insulator surfaces. It creates structures designed at the atomic scale and clarifies their reactivity and properties. To explore the evolution of molecules in space in the laboratory, it also observes reactions that occur in clusters of water molecules.
*Illustrative imageSpectroscopy of Model Catalysts with Synchrotron Radiation and THz Light
The lab studies the structure and reactions of well-defined model catalysts and low-dimensional materials, as well as material surfaces in contact with plasma. It also works on operando photoelectron spectroscopy using synchrotron radiation, and on time-resolved spectroscopy and control of chemical processes using ultra-broadband THz pulses.
MembersFaculty
The members of the Yoshinobu Lab consist of faculty, technical specialists, secretaries, project researchers and JSPS Research Fellows, and doctoral and master's students.As of 2025
- ProfessorJun YoshinobuPublications ↗
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: “4pp stm” Bert Voigtlaender / CC BY-SA 4.0 (cropped)
- Behavior of Atoms and Molecules on Surfaces: “Scanning tunneling microscope (STM) 250 nm by 250 nm image of one-atom-thick silver islands grown on palladium (111) surface” Ponor / CC BY-SA 4.0 (cropped)
- Spectroscopy of Model Catalysts with Synchrotron Radiation and THz Light: “Platinum nanoparticles” PieroSpeleo / CC BY-SA 4.0 (cropped)
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