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Energy Photophysics Lab / Nano-Photoscience Research, Division of Energy Functional Conversion
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The lab opens up a new science of light and energy using materials only a few atomic layers thick.
AboutAbout the lab
Opening up the science of light with extreme nanomaterials
The Energy Photophysics Lab (Institute of Advanced Energy) aims to pursue the fundamental principles of optical science grounded in nanoscience and their energy applications.
Building on condensed matter physics, materials science, quantum optics, and device engineering, the lab carries out its own original research.
The lab seeks to understand quantum optical phenomena in "extreme nanomaterials" such as carbon nanotubes and two-dimensional semiconductors, which are only a few atomic layers thick.
The lab aims to realize highly efficient solar cells and a new science of light and energy.
Key terms
- Two-dimensional semiconductor
- A sheet-like semiconductor only a few atomic layers thick
- Carbon nanotube
- A material in which carbon atoms are joined in a tubular shape, with a diameter on the order of nanometers
- Valley spin
- A new quantum property of electrons in atomic-layer semiconductors, in which the "valley" and the "spin" are coupled
ResearchResearch themes
The lab studies the optical science of extreme nanomaterials, the physics of optical properties of atomic-layer two-dimensional semiconductors and its application to valley-spin photonics, and applications to energy devices and quantum optical devices.
*Illustrative imageOptical Science of Extreme Nanomaterials
Through the optical science of carbon nanotubes and atomic-layer two-dimensional semiconductors, the lab observes many unusual quantum optical phenomena, clarifies the physics behind them, and aims to connect them to new photonics applications.
*Illustrative imageControlling Valley Spin with Light
In semiconductors a few atomic layers thick, a new quantum degree of freedom emerges in which "valley" and "spin" are coupled. The lab has succeeded in controlling its polarization externally by an original method, and is pursuing research that offers new guidelines for valley photonics.
*Illustrative imageNew Solar Cells and Optical Devices
The lab has realized highly efficient solar cells using carbon nanotubes and atomic-layer semiconductors, and has also demonstrated high efficiency, stability, and flexibility in perovskite solar cells through interface control. It also studies light-emitting devices based on atomic-layer semiconductors.
MembersFaculty
The faculty members of the Energy Photophysics Lab are Professor Kazunari Matsuda and Assistant Professor Shinichiro Matano.
- ProfessorKazunari Matsuda
- Assistant ProfessorShinichiro Matano
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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: “Carbon nanotube chiral povray” Arnero / Public domain (cropped)
- Optical Science of Extreme Nanomaterials: “Three examples of partitioning carbon nanotubes in liquid phases ( )” National Institute of Standards and Technology / Public domain (cropped)
- Controlling Valley Spin with Light: “TaSe2 2H e 1H stacking” Fador789 / CC BY-SA 4.0 (cropped)
- New Solar Cells and Optical Devices: “Perovskite tin solar cell ( )” University of Oxford Press Office / CC BY 2.0 (cropped)
- Related lab (Electromagnetic Energy Engineering Lab): “Cut-away version of an electric motor (1)” S.J. de Waard / CC BY 2.5 (cropped)
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