Keigo Otsuka

Assistant professor

University of Tokyo

Japan

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Keigo Otsuka is an Assistant Professor at the University of Tokyo, Japan. His research focuses on one-dimensional van der Waals heterostructures, carbon nanotubes, and advanced materials synthesis, as highlighted in his recent publications. Notable areas of exploration include the electronic properties of carbon structures and the dynamics of excitons in mixed-dimensional systems.

Articles (24)

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2025

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2022

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2022

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2022

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2022

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2022

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2022

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2021

Collaborators (13)

Minhyeok Lee

University of Tokyo

JAPAN

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Taiki Inoue

Osaka University

JAPAN

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Shun Fujii

Assistant professor

Keio University

JAPAN

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Susumu Okada

University of Tsukuba

JAPAN

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Rong Xiang

University of Tokyo

JAPAN

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Shohei Chiashi

Associate Professor

University of Tokyo

JAPAN

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YuHuang Wang

Professor

University of Maryland

UNITED STATES

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Esko Kauppinen

Professor

Aalto University School of Science

FINLAND

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Kazuhiko Hirakawa

professor

University of Tokyo

JAPAN

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Ruixi Zhang

Assistant Professor

Nagoya University

JAPAN

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Shigeo Maruyama

Distinguished Professor

University of Tokyo

JAPAN

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Kazuyuki Kuroyama

University of Tokyo

JAPAN

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Katalin Kamarás

Research Professor

Wigner Research Centre for Physics

HUNGARY

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Keigo Otsuka

Research Interests

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About

Articles (24)

Efficient Growth of 1D Van der Waals Heterostructures on Zeolite‐Supported SWCNTs

Metallic NbS2 One-Dimensional van der Waals Heterostructures

Catalyst-mediated etching of carbon nanotubes exhibiting electronic-structure insensitivity and reciprocal kinetics with growth

Machine-learned bond-order potential for exploring the configuration space of carbon

(Invited) TMD Nanotube Junctions and Yanus TMD in 1D vdW Heterostructures Based on SWCNTs

(Invited) Weakly Confined Carbyne inside Single-Walled Carbon Nanotubes and 1D Heterostructures with Carbyne

Ultrafast infrared nano-imaging of local electron-hole dynamics in CVD-grown single-walled carbon nanotubes

Chirality engineering for carbon nanotube electronics

Evaluating the Efficiency of Boron Nitride Coating in Single-Walled Carbon-Nanotube-Based 1D Heterostructure Films by Optical Spectroscopy

(Invited) Resonant Exciton Transfer in Mixed-Dimensional Heterostructures for Overcoming Dimensional Restrictions in Optical Processes

(Invited) Synthesis and Application of 1D vdW Heterostructures Based on Single-Walled Carbon Nanotubes

Room-temperature quantum emission from interface excitons in mixed-dimensional heterostructures

Molecular Dynamics of Catalyst-Free Edge Elongation of Boron Nitride Nanotubes Coaxially Grown on Single-Walled Carbon Nanotubes

Horizontal Arrays of One-Dimensional van der Waals Heterostructures as Transistor Channels

Solar Cell Application of 1D Heterostructure Based on Single-Walled CNT

Resonant exciton transfer in mixed-dimensional heterostructures for overcoming dimensional restrictions in optical processes

Electrical hysteresis characteristics in photogenerated currents on laser-beam-derived in-plane lateral 1D MoS2-Schottky junctions

(Invited) Kinetic Selectivity of Chemical Vapor Deposition Growth of Carbon Nanotubes

Carbon Dioxide Triggers Carbon Nanotube Nucleation: Isotope Labeling Study on the Growth Process of Individual Nanotubes

Universal Map of Gas-Dependent Kinetic Selectivity in Carbon Nanotube Growth

Direct Visualization of Ultrastrong Coupling between Luttinger-Liquid Plasmons and Phonon Polaritons

Quantization of Mode Shifts in Nanocavities Integrated with Atomically Thin Sheets

Formation of organic color centers in air-suspended carbon nanotubes using vapor-phase reaction

One-dimensional van der Waals heterostructures: Growth mechanism and handedness correlation revealed by nondestructive TEM

Collaborators (13)

Minhyeok Lee

Taiki Inoue

Shun Fujii

Susumu Okada

Rong Xiang

Shohei Chiashi

YuHuang Wang

Esko Kauppinen

Kazuhiko Hirakawa

Ruixi Zhang

Shigeo Maruyama

Kazuyuki Kuroyama

Katalin Kamarás

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