OTSUKA Hayato
Faculty of Engineering
Associate Professor
Researcher Information
Research Keyword
- 吸着科学, 磁気科学, コロイド界面化学
Web site
Research activity information
Award
- 2025
リバネス, エコテックグランプリ 京セラ賞
超高速気体分離膜による空気資源化を目指して - 2025
ANRI株式会社, TOKYO Prize carbon reduction - 2023
日本化学会 コロイドおよび界面化学部会, 若手口頭講演賞
酸化グラフェンによるゼオライトの安定包接 - 2022
The Japan Society on Adsorption, Excellent Poster Award
迅速なグラフェン包接ゼオライト分離膜の窒素選択性の発現 - 2018
The Magneto-Science Society of Japan, Excellent Poster Award for Young Scientists
強磁場で誘起されたTMPA TFSIの層の構造と物性 - 2017
The Magneto-Science Society of Japan, Excellent Presentation Award for Young Scientists
イオン液体TMPA TFSIに磁場誘起される現象ー液液相変化
Paper
- Positron annihilation lifetime spectroscopy for ultramicroporosimetry of porous carbons
Kei Kubo; Hayato Otsuka; Daisuke Saeki; Ayumi Furuse; Yoshiyuki Hattori; Takuya Hayashi; Piotr Kowalczyk; Toshio Sakai; Katsumi Kaneko
Carbon, Oct. 2025
- Colloid-chemical fabrication of graphene-oxide–wrapped zeolite crystals
Hayato Otsuka; Kei Kubo; Elda-Zoraida Piña-Salazar; Ayumi Furuse; Yasunori Yoshikawa; Ryota Kobayashi; Katsumi Kaneko
Next Materials, Jul. 2025 - Ambient pressure storage of high-density methane in nanoporous carbon coated with graphene
Shuwen Wang; Fernando Vallejos-Burgos; Ayumi Furuse; Hayato Otsuka; Miu Nagae; Yuma Kawamata; Tomonori Ohba; Hirofumi Kanoh; Koki Urita; Hiroo Notohara; Isamu Moriguchi; Hideki Tanaka; Juan P. Marco-Lozar; Joaquín Silvestre-Albero; Takuya Hayashi; Katsumi Kaneko
Nature Energy, May 2025 - Stochastic desorption of water molecules adsorbed inside single-wall carbon nanotube through nanowindows
Yuma Kawamata; Yuki Nagata; Hayato Otsuka; Ayumi Furuse; Ryusuke Futamura; Koki Urita; Isamu Moriguchi; Taku Iiyama; Katsumi Kaneko
Adsorption, Jan. 2025 - Nanoporosity changes of graphene oxide colloids on linkage-treatment with molecular linker and heating after the linkage-treating
Miu Nagae; Hayato Otsuka; Ayumi Furuse; Partha Bairi; Shuwen Wang; Takayoshi Arai; Toshio Sakai; Katsumi Kaneko
Chemical Physics Letters, Aug. 2024 - Concentric Structure of Coexistent KCl Core Solution and Water Adlayer Inside a Highly Hydrophobic Single-Wall Carbon Nanotube
Yuma Kawamata; Taku Iiyama; Ryusuke Futamura; Hayato Otsuka; Katsumi Kaneko
The Journal of Physical Chemistry C, Aug. 2024 - Giant nanomechanical energy storage capacity in twisted single-walled carbon nanotube ropes
Shigenori Utsumi; Sanjeev Kumar Ujjain; Satoshi Takahashi; Ryo Shimodomae; Tae Yamaura; Ryosuke Okuda; Ryuichiro Kobayashi; Oga Takahashi; Satoshi Miyazono; Naoki Kato; Keiichi Aburamoto; Yuta Hosoi; Preety Ahuja; Ayumi Furuse; Yuma Kawamata; Hayato Otsuka; Kazunori Fujisawa; Takuya Hayashi; David Tománek; Katsumi Kaneko
Nature Nanotechnology, Jul. 2024 - Transient chemical and structural changes in graphene oxide during ripening
Hayato Otsuka; Koki Urita; Nobutaka Honma; Takashi Kimuro; Yasushi Amako; Radovan Kukobat; Teresa J. Bandosz; Junzo Ukai; Isamu Moriguchi; Katsumi Kaneko
Nature Communications, Feb. 2024 - Partial dehydration-mediated selective ion-permeation through subnanometer-scale windows in highly crystalline single walled carbon nanotube walls
Yuki Nagata; Ayumi Furuse; Hayato Otsuka; Radovan Kukobat; Partha Bairi; Takuya Hayashi; Katsumi Kaneko
Carbon, 213, 118287-118287, Sep. 2023 - Designed Production of Atomic-Scale Nanowindows in Single-Walled Carbon Nanotubes
Yuki Nagata; Radovan Kukobat; Ayumi Furuse; Hayato Otsuka; Takuya Hayashi; Katsumi Kaneko
Langmuir, Apr. 2023 - Partial dehydration-mediated selective ion-permeation through subnanometer-scale windows in highly crystalline single walled carbon nanotube walls.
Y. Nagata, A. Furuse, H. Otsuka, R. Kukobat, P. Bairi, T. Hayashi, K. Kaneko,
Carbon,, 213, 118287, 2023 - Effect of pore size on the magnetic properties of emim FeCl4 confined in the pores of SBA-15
Hayato Otsuka; Ryusuke Futamura; Yasushi Amako; Sumio Ozeki; Taku Iiyama
Chemical Physics Letters, 804, 139878-139878, Oct. 2022 - Pore structure changes in free-standing single-wall carbon nanotube film on vacuum high-temperature annealing
Yuito Kamijyou; Radovan Kukobat; Ayumi Furuse; Hayato Otsuka; Kazunori Fujisawa; Takuya Hayashi; Toshio Sakai; Katsumi Kaneko
Carbon Trends, 9, 100230-100230, Oct. 2022 - Ultrapermeable 2D-channeled graphene-wrapped zeolite molecular sieving membranes for hydrogen separation
Radovan Kukoba; Motomu Sakai; Hideki Tanaka; Hayato Otsuka; Fernando Vallejos-Burgos; Christian Lastoskie; Masahiko Matsukata; Yukichi Sasaki; Kaname Yoshida; Takuya Hayashi; Katsumi Kaneko
Science Advances, 8(20), May 2022 - Apatite–Graphene Interface Channel-Aided Rapid and Selective H2 Permeation
Radovan Kukoba; Motomu Sakai; Ayumi Furuse; Hayato Otsuka; Hideki Tanaka; Takuya Hayashi; Masahiko Matsukata; Katsumi Kaneko
The Journal of Physical Chemistry C, 126(7), 3653-3660, Feb. 2021 - Configurational evidence for antiferromagnetic interaction in disordered magnetic ionic liquids by X-ray scattering-aided hybrid reverse Monte Carlo simulation
Ryusuke Futamura; Yuma Takasaki; Hayato Otsuka; Sumio Ozeki; Katsumi Kaneko; Taku Iiyama
Journal of Molecular Liquids, 311, 113321-113321, Aug. 2020 - New IUPAC recommendation and characterization of nanoporous materials with physical adsorption
Hayato Otsuka
Accounts of Materials and Surface Research, May 2020 - Magnetic-Field-Induced Liquid Phase Transformation of an Ionic Liquid N,N,N-Trimethyl-N-propylammonium Bis(trifluoromethanesulfonyl)imide
Hayato Otsuka; Atom Hamasaki; Taku Iiyama; Sumio Ozeki
The Journal of Physical Chemistry Letters, 11(1), 21-25, Jan. 2020
Lectures, oral presentations, etc.
- Colloidal interaction-mediated wrapping of zeolite crystals with graphene oxide sheets
Hayato Otsuka, Kei Kubo, Katsumi Kaneko,
日本化学会第104春季年会(2024), Mar. 2024The nature of ever-changing graphene oxide
Hayato Otsuka, Koki Urita, Nobutaka Honma, Takashi Kimuro, Yasushi Amako, Radovan Kukobat, Teresa J. Bandosz, Junzo Ukai, Isamu Moriguchi, Katsumi Kaneko
7th CBNM, Oct. 2023N2 selectivity of graphene-wrapped zeolite membranes for rapid air separation
Hayato Otsuka, Nobutaka Honma, Junzo Ukai, Katsumi Kaneko,
ICOM 2023, Jul. 2023N2 selective graphene-wrapped zeolite membranes for rapid air Separation
Hayato Otsuka, Nobutaka Honma, Junzo Ukai, Katsumi Kaneko,
Carbon 2023, Jul. 2023「強磁場下および微小空間中のイオン液体の相転移」
大塚隼人
第3回 時空間変調磁場の制御と応用に関する調査研究会(低温工学・超電動学会）, Mar. 2023「外部刺激を受けたイオン液体の相転移」
大塚隼人
第150回マテリアルセミナー（オンライン）, Nov. 2022Durability of metastable graphene oxide colloids
．H. Otsuka, K. Urita, N. Honma, Y. Amako, R. Kukobat, J. Ukai, I. Moriguchi, K. Kaneko,
Carbon 2022, Jul. 2022Affiliated academic society
Research Themes
- 酸化グラフェンの過渡状態特有の機能発現
科学研究費助成事業, 日本学術振興会, 若手研究
信州大学
01 Apr. 2025 - 31 Mar. 2028 - 巨大CO2排出削減能（1億トン/y）をもつ超高速気体分離膜モジュール/オンサイト酸素富化装置の開発
IJIE-GAPファンドプログラム2025（ステップ2「スタンダード」, 科学技術振興機構
Apr. 2025 - Mar. 2027 - 高速気体分離膜による分離プロセスの革命～酸素富化膜による省エネ・脱炭素へのアプローチ～
「戦略的イノベーション創造プログラム（SIP） 「マテリアル事業化イノベーション・育成エコシステムの構築」 サブ課題C：マテリアルユニコーン予備軍の創出 個別テーマ(2)：テーマメンタリング」, 科学技術振興機構
信州大学
Nov. 2024 - Mar. 2025 - オンデマンド富化酸素供給用の高速気体分離膜材料の開発製造
IJIE-GAPファンドプログラム2024（ステップ1「プレ」, 科学技術振興機構
信州大学
Jul. 2024 - Mar. 2025
