2D Optoelectronics
We investigate the electrical control of excitonic properties in two-dimensional materials by combining cutting-edge micro/nanofabrication techniques with quantum nanostructures. …

We investigate the electrical control of excitonic properties in two-dimensional materials by combining cutting-edge micro/nanofabrication techniques with quantum nanostructures. …
We investigate unique physical properties of low-dimensional materials such as carbon nanotubes and two-dimensional semiconductors. Our research focuses on understanding …
Our research in quantum defects focuses on creating and characterizing precisely defined quantum emitters in nanomaterials based on functionalization engineering. We explore both …
Kozawa gave a presentation at The 16th International Conference on Recent Progress in Graphene and 2D Materials Research (RPGR2025). Title: Formation of Single Organic Color …
As of October 1, 2025, Daichi has been appointed as a committee member of Area 7 (Molecular Solids and Organic Conductors) of the Physical Society of Japan. Area 7 promotes …
Development of deterministic single-molecule modification method for controlled formation of quantum emitters in carbon nanotubes, achieving position, number, and wavelength …
Our research on deterministic formation of single organic color centers in carbon nanotubes has been published in Nano Letters, representing a significant advancement in quantum …
I gave an invited talk at META 2025 on deterministic formation of single organic color centers in single-walled carbon nanotubes.
The group enjoyed a wonderful Indian dinner at Taj Mahal restaurant on July 2nd, 2025.
I gave an invited talk at the Symposium on Fundamental, Structural and Optical Properties of 1D and 2D Materials and their Heterostructures as part of NT'25.