[Kenji Katayama] Development of modulated light inducd phase microscopy and evaluation for lifetime and transport property of photoexcited carriers of photo-devices

Research Director

Kenji Katayama

Kenji Katayama

Faculty of Science and Engineering, Chuo University
Professor
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Outline

There are some key photo-devices in near future, such as solar cell, photocatalyst, and artificial photosynthesis, where photo-excited carriers (electrons and holes) are extracted for specific purpuses. In these devices, assembly of semiconductor particles are used as electrodes. However, most of the carriers are usually trapped to defects, and their lifetime and spatial distribution are diversified, which have not been understood well. In this study, we will develop a new method which can clarify the correlation between the arrangement of particles and the carrier properties, especially on the lifetime and the transport property.

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