Takahiro Ohkubo

2022

Acidic layer-enhanced nanoconfinement of anions in cylindrical pore of single-walled carbon nanotube

Ohkubo, T., Nakayasu, H., Takeuchi, Y., Takeyasu, N. & Kuroda, Y., 9月 16 2022, (E-pub ahead of print) In: Journal of Colloid And Interface Science. 629, Pt B, p. 238-244 7 p.

研究成果 › 査読

Identification of a Stable Ozonide Ion Bound to a Single Cadmium Site within the Zeolite Cavity

Oda, A., Sawabe, K., Ohkubo, T. & Kuroda, Y., 1月 13 2022, In: Journal of Physical Chemistry C. 126, 1, p. 261-272 12 p.

研究成果 › 査読

1 被引用数 (Scopus)

Orbital Trap of Xenon: Driving Force Distinguishing between Xe and Kr Found at a Single Ag(I) Site in MFI Zeolite at Room Temperature

Oda, A., Kouzai, H., Sawabe, K., Satsuma, A., Ohkubo, T., Gotoh, K. & Kuroda, Y., 2022, (Accepted/In press) In: Journal of Physical Chemistry C.

研究成果 › 査読

3 被引用数 (Scopus)

Polyiodide Production Triggered by Acidic Phase of Aqueous Solution Confined in Carbon Nanospace

Ohkubo, T., Hirano, Y., Nakayasu, H. & Kuroda, Y., 9月 2022, In: Chemistry Letters. 51, 9, p. 971-974 4 p.

研究成果 › 査読

1 被引用数 (Scopus)

Self-growth of silver tree-like fractal structures with different geometries

Nogami, K., Kishimoto, K., Hashimoto, Y., Watanabe, H., Hishii, Y., Ma, Q., Niki, T., Kotani, T., Kiwa, T., Shoji, S., Ohkubo, T., Kano, J. & Takeyasu, N., 10月 2022, In: Applied Physics A: Materials Science and Processing. 128, 10, 860.

研究成果 › 査読

1 被引用数 (Scopus)

2021

17o-esr evidence for zeolite matrix isolation of a square planar zno3 ring radical with c2v symmetry

Oda, A., Kumagai, J., Sawabe, K., Ohkubo, T., Kuroda, Y. & Satsuma, A., 3月 11 2021, In: Journal of Physical Chemistry C. 125, 9, p. 5136-5145 10 p.

研究成果 › 査読

2 被引用数 (Scopus)

A low-temperature oxyl transfer to carbon monoxide from the Zn^II-oxyl site in a zeolite catalyst

Oda, A., Kumagai, J., Ohkubo, T. & Kuroda, Y., 1月 21 2021, In: Inorganic Chemistry Frontiers. 8, 2, p. 319-328 10 p.

研究成果 › 査読

6 被引用数 (Scopus)

Unprecedented CO₂adsorption behaviour by 5A-type zeolite discovered in lower pressure region and at 300 K

Oda, A., Hiraki, S., Harada, E., Kobayashi, I., Ohkubo, T., Ikemoto, Y., Moriwaki, T. & Kuroda, Y., 3月 28 2021, In: Journal of Materials Chemistry A. 9, 12, p. 7531-7545 15 p.

研究成果 › 査読

10 被引用数 (Scopus)

2020

Activity report on information-gathering of database literatures for molten salts

Kouji, Y., Takahiro, O., Osamu, T., Shungo, N. & Hidehiro, S., 2020, In: Electrochemistry. 88, 4, p. 243-252 10 p.

研究成果 › 査読

Open Access

Adsorption enhancement of nitrogen gas by atomically heterogeneous nanospace of boron nitride

Kimura, J., Ohkubo, T., Nishina, Y., Urita, K. & Kuroda, Y., 12月 14 2020, In: RSC Advances. 11, 2, p. 838-846 9 p.

研究成果 › 査読

Open Access

1 被引用数 (Scopus)

Experimental Description of Biomimetic Ni^II-Superoxo δ-Bond: Franck-Condon Analyses on Its Vibronically-Resolved Spectrum

Oda, A., Oda, A., Oda, A., Nanjo, T., Ohkubo, T. & Kuroda, Y., 5月 28 2020, In: Journal of Physical Chemistry C. 124, 21, p. 11544-11557 14 p.

研究成果 › 査読

6 被引用数 (Scopus)

2019

Carbon-nanotube-based photocatalysts for water splitting in cooperation with BiVO₄ and [Co(bpy)₃]^3+/2+

Izawa, T., Kalousek, V., Miyamoto, D., Murakami, N., Miyake, H., Tajima, T., Kurashige, W., Negishi, Y., Ikeue, K., Ohkubo, T. & Takaguchi, Y., 2019, In: Chemistry Letters. 48, 5, p. 410-413 4 p.

研究成果 › 査読

Open Access

6 被引用数 (Scopus)

Room-Temperature Activation of the C-H Bond in Methane over Terminal Zn ^II -Oxyl Species in an MFI Zeolite: A Combined Spectroscopic and Computational Study of the Reactive Frontier Molecular Orbitals and Their Origins

Oda, A., Ohkubo, T., Yumura, T., Kobayashi, H. & Kuroda, Y., 1月 7 2019, In: Inorganic Chemistry. 58, 1, p. 327-338 12 p.

研究成果 › 査読

20 被引用数 (Scopus)

Room temperature O transfer from N ₂ O to CO mediated by the nearest Cd(i) ions in MFI zeolite cavities

Oda, A., Ohkubo, T. & Kuroda, Y., 2019, In: Dalton Transactions. 48, 7, p. 2308-2317 10 p.

研究成果 › 査読

2 被引用数 (Scopus)

Spectroscopic Determination of the Site in MFI Zeolite where Cobalt(I) Performs Two-Electron Reduction of O₂ at Room Temperature

Oda, A., Mamenari, Y., Ohkubo, T. & Kuroda, Y., 7月 25 2019, In: Journal of Physical Chemistry C. 123, 29, p. 17842-17854 13 p.

研究成果 › 査読

9 被引用数 (Scopus)

2018

A facile synthesis of a SnO₂/Graphene oxide nano-nano composite and its photoreactivity

Tajima, T., Goto, H., Nishi, M., Ohkubo, T., Nishina, Y., Miyake, H. & Takaguchi, Y., 6月 15 2018, In: Materials Chemistry and Physics. 212, p. 149-154 6 p.

研究成果 › 査読

11 被引用数 (Scopus)

Selective molecular-gating adsorption in a novel copper-based metal-organic framework

Kondo, A., Yashiro, T., Okada, N., Hiraide, S., Ohkubo, T., Tanaka, H. & Maeda, K., 4月 14 2018, In: Journal of Materials Chemistry A. 6, 14, p. 5910-5918 9 p.

研究成果 › 査読

20 被引用数 (Scopus)

2017

Identification of a Stable Zn^II–Oxyl Species Produced in an MFI Zeolite and Its Reversible Reactivity with O₂ at Room Temperature

Oda, A., Ohkubo, T., Yumura, T., Kobayashi, H. & Kuroda, Y., 8月 7 2017, In: Angewandte Chemie - International Edition. 56, 33, p. 9715-9718 4 p.

研究成果 › 査読

14 被引用数 (Scopus)

Surplus adsorption of bromide ion into π-conjugated carbon nanospaces assisted by proton coadsorption

Nishi, M., Ohkubo, T., Yamasaki, M., Takagi, H. & Kuroda, Y., 12月 15 2017, In: Journal of Colloid And Interface Science. 508, p. 415-418 4 p.

研究成果 › 査読

4 被引用数 (Scopus)

Tubular nitrogen-doped TiO₂ samples with efficient photocatalytic properties based on long-lived charge separation under visible-light irradiation: synthesis, characterization and reactivity

Hirose, Y., Itadani, A., Ohkubo, T., Hashimoto, H., Takada, J., Kittaka, S. & Kuroda, Y., 2017, In: Dalton Transactions. 46, 13, p. 4435-4451 17 p.

研究成果 › 査読

8 被引用数 (Scopus)

Why do zeolites induce an unprecedented electronic state on exchanged metal ions?

Oda, A., Ohkubo, T., Yumura, T., Kobayashi, H. & Kuroda, Y., 2017, In: Physical Chemistry Chemical Physics. 19, 36, p. 25105-25114 10 p.

研究成果 › 査読

6 被引用数 (Scopus)

2016

Asymmetric hydration structure around calcium ion restricted in micropores fabricated in activated carbons

Ohkubo, T., Kusudo, T. & Kuroda, Y., 11月 23 2016, In: Journal of Physics Condensed Matter. 28, 46, p. 464003 7 p.

研究成果 › 査読

6 被引用数 (Scopus)

Experimental Information on the Adsorbed Phase of Water Formed in the Inner Pore of Single-Walled Carbon Nanotube Itself

Nishi, M., Ohkubo, T., Urita, K., Moriguchi, I. & Kuroda, Y., 2月 2 2016, In: Langmuir. 32, 4, p. 1058-1064 7 p.

研究成果 › 査読

6 被引用数 (Scopus)

Material Exhibiting Efficient CO₂ Adsorption at Room Temperature for Concentrations Lower Than 1000 ppm: Elucidation of the State of Barium Ion Exchanged in an MFI-Type Zeolite

Itadani, A., Oda, A., Torigoe, H., Ohkubo, T., Sato, M., Kobayashi, H. & Kuroda, Y., 4月 20 2016, In: ACS Applied Materials and Interfaces. 8, 13, p. 8821-8833 13 p.

研究成果 › 査読

14 被引用数 (Scopus)

2015

Possibility of Copper-Ion-Exchanged MFI-Type Zeolite as C-H Bond Activation Material for Propane and the Driving Force for Activation

Itadani, A., Sogawa, Y., Oda, A., Ohkubo, T., Yumura, T., Kobayashi, H., Sato, M. & Kuroda, Y., 9月 17 2015, In: Journal of Physical Chemistry C. 119, 37, p. 21483-21496 14 p.

研究成果 › 査読

11 被引用数 (Scopus)

Synthesis of an unexpected [Zn₂]²⁺ species utilizing an MFI-type zeolite as a nano-reaction pot and its manipulation with light and heat

Oda, A., Ohkubo, T., Yumura, T., Kobayashi, H. & Kuroda, Y., 6月 7 2015, In: Dalton Transactions. 44, 21, p. 10038-10047 10 p.

研究成果 › 査読

23 被引用数 (Scopus)

2014

An important factor in CH₄ activation by Zn ion in comparison with Mg ion in MFI: The superior electron-accepting nature of Zn²⁺

Oda, A., Torigoe, H., Itadani, A., Ohkubo, T., Yumura, T., Kobayashi, H. & Kuroda, Y., 7月 17 2014, In: Journal of Physical Chemistry C. 118, 28, p. 15234-15241 8 p.

研究成果 › 査読

32 被引用数 (Scopus)

Biosynthesis of elliptical hematite microparticles and their photocatalytic performance　（共著）

Ohkubo, T., 2014, In: Rangsit Journal of Arts and Sciences. 4, 1, p. 31-38 8 p.

研究成果

Nanospace-enhanced photoreduction for the synthesis of copper(I) oxide nanoparticles under visible-light irradiation

Ohkubo, T., Ushio, M., Urita, K., Moriguchi, I., Ahmmad, B., Itadani, A. & Kuroda, Y., 5月 1 2014, In: Journal of Colloid And Interface Science. 421, p. 165-169 5 p.

研究成果 › 査読

8 被引用数 (Scopus)

2013

Further evidence for the existence of a dual-Cu⁺ site in MFI working as the efficient site for C₂H₆ adsorption at room temperature

Itadani, A., Sogawa, Y., Oda, A., Torigoe, H., Ohkubo, T. & Kuroda, Y., 8月 6 2013, In: Langmuir. 29, 31, p. 9727-9733 7 p.

研究成果 › 査読

8 被引用数 (Scopus)

Green synthesis of mesoporous hematite (α-Fe₂O ₃) nanoparticles and their photocatalytic activity

Ahmmad, B., Leonard, K., Shariful Islam, M., Kurawaki, J., Muruganandham, M., Ohkubo, T. & Kuroda, Y., 1月 2013, In: Advanced Powder Technology. 24, 1, p. 160-167 8 p.

研究成果 › 査読

234 被引用数 (Scopus)

Highly compressed nanosolution restricted in cylindrical carbon nanospaces

Nishi, M., Ohkubo, T., Tsurusaki, K., Itadani, A., Ahmmad, B., Urita, K., Moriguchi, I., Kittaka, S. & Kuroda, Y., 3月 7 2013, In: Nanoscale. 5, 5, p. 2080-2088 9 p.

研究成果 › 査読

7 被引用数 (Scopus)

Mechanism of CH₄ activation on a monomeric Zn²⁺-ion exchanged in MFI-Type zeolite with a specific Al arrangement: Similarity to the activation site for H₂

Oda, A., Torigoe, H., Itadani, A., Ohkubo, T., Yumura, T., Kobayashi, H. & Kuroda, Y., 9月 26 2013, In: Journal of Physical Chemistry C. 117, 38, p. 19525-19534 10 p.

研究成果 › 査読

39 被引用数 (Scopus)

Photosensitized hydrogen evolution from water using single-walled carbon nanotube/fullerodendron/Pt(ii) coaxial nanohybrids

Sasada, Y., Tajima, T., Wada, T., Uchida, T., Nishi, M., Ohkubo, T. & Takaguchi, Y., 12月 2013, In: New Journal of Chemistry. 37, 12, p. 4214-4219 6 p.

研究成果 › 査読

12 被引用数 (Scopus)

Structure of hydrated cobalt ions confined in the nanospace of single-walled carbon nanotubes

Ahmmad, B., Nishi, M., Hirose, F., Ohkubo, T. & Kuroda, Y., 6月 7 2013, In: Physical Chemistry Chemical Physics. 15, 21, p. 8264-8270 7 p.

研究成果 › 査読

9 被引用数 (Scopus)

Success in making Zn⁺ from atomic Zn⁰ encapsulated in an MFI-Type zeolite with UV light irradiation

Oda, A., Torigoe, H., Itadani, A., Ohkubo, T., Yumura, T., Kobayashi, H. & Kuroda, Y., 12月 11 2013, In: Journal of the American Chemical Society. 135, 49, p. 18481-18489 9 p.

研究成果 › 査読

27 被引用数 (Scopus)

Template-free fabrication of a cylindrical macropore array in SnO ₂

Ozawa, Y., Tajima, T., Nishi, M., Ohkubo, T. & Takaguchi, Y., 12月 7 2013, In: RSC Advances. 3, 45, p. 22949-22952 4 p.

研究成果 › 査読

2 被引用数 (Scopus)

TiO₂/TaON- and TiO₂/BiOI-based solid-state solar cells

Ahmmad, B., Kurawaki, J., Ohkubo, T. & Hirose, F., 12月 2013, In: Journal of Energy Engineering. 139, 4, p. 338-342 5 p.

研究成果 › 査読

4 被引用数 (Scopus)

2012

Arrangement and dispersion of rh and pt atoms on graphene oxide sheets

Gotoh, K., Hashimoto, H., Kawai, R., Nishina, Y., Fujii, E., Ohkubo, T., Itadani, A., Kuroda, Y. & Ishida, H., 7月 30 2012, In: Chemistry Letters. 41, 7, p. 680-682 3 p.

研究成果 › 査読

5 被引用数 (Scopus)

Dual-copper catalytic site formed in CuMFI zeolite makes effective activation of ethane possible even at room temperature

Itadani, A., Torigoe, H., Yumura, T., Ohkubo, T., Kobayashi, H. & Kuroda, Y., 5月 17 2012, In: Journal of Physical Chemistry C. 116, 19, p. 10680-10691 12 p.

研究成果 › 査読

13 被引用数 (Scopus)

Unprecedented reversible redox process in the ZnMFI-H ₂ system involving formation of stable atomic Zn ⁰

Oda, A., Torigoe, H., Itadani, A., Ohkubo, T., Yumura, T., Kobayashi, H. & Kuroda, Y., 7月 27 2012, In: Angewandte Chemie - International Edition. 51, 31, p. 7719-7723 5 p.

研究成果 › 査読

41 被引用数 (Scopus)

Water-initiated ordering around a copper ion of copper acetate confined in slit-shaped carbon micropores

Ohkubo, T., Takehara, Y. & Kuroda, Y., 5月 15 2012, In: Microporous and Mesoporous Materials. 154, p. 82-86 5 p.

研究成果 › 査読

9 被引用数 (Scopus)

2011

Actual structure of dissolved zinc ion restricted in less than 1 nanometer micropores of carbon

Ohkubo, T., Nishi, M. & Kuroda, Y., 8月 4 2011, In: Journal of Physical Chemistry C. 115, 30, p. 14954-14959 6 p.

研究成果 › 査読

15 被引用数 (Scopus)

Exfoliated graphene sheets decorated with metal/metal oxide nanoparticles: Simple preparation from cation exchanged graphite oxide

Gotoh, K., Kinumoto, T., Fujii, E., Yamamoto, A., Hashimoto, H., Ohkubo, T., Itadani, A., Kuroda, Y. & Ishida, H., 4月 2011, In: Carbon. 49, 4, p. 1118-1125 8 p.

研究成果 › 査読

115 被引用数 (Scopus)

Template-free synthesis of self-assembled Co₃O₄ micro/nanocrystals

Amutha, R., Akilandeswari, S., Muruganandham, M., Sillanpää, M., Ahmmad, B. & Ohkubo, T., 12月 1 2011, In: Journal of Nanoscience and Nanotechnology. 11, 4, p. 3171-3179 9 p.

研究成果 › 査読

8 被引用数 (Scopus)

Visible-light-derived photocatalyst based on TiO _2-δN _δ with a tubular structure

Hirose, Y., Mori, T., Morishita, Y., Itadani, A., Kudoh, T., Ohkubo, T., Matsuda, T., Kittaka, S. & Kuroda, Y., 10月 17 2011, In: Inorganic Chemistry. 50, 20, p. 9948-9957 10 p.

研究成果 › 査読

14 被引用数 (Scopus)

2010

Controlling the formation of silver cluster in silver-ion-exchanged MFI-type zeolites by different treatment methods

Ohkubo, T., 2010, In: Photon Factory Activity Reports: Users' Reports 2009. 27, p. 20-20 1 p.

研究成果

Direct information on structure and energetic features of Cu⁺-Xe species formed in MFI-Type zeolite at room temperature

Torigoe, H., Mori, T., Fujie, K., Ohkubo, T., Itadani, A., Gotoh, K., Ishida, H., Yamashita, H., Yumura, T., Kobayashi, H. & Kuroda, Y., 9月 16 2010, In: Journal of Physical Chemistry Letters. 1, 18, p. 2642-2650 9 p.

研究成果 › 査読

18 被引用数 (Scopus)

Existence of dual species composed of Cu⁺ in CuMFI being bridged by C₂H₂

Itadani, A., Yumura, T., Ohkubo, T., Kobayashi, H. & Kuroda, Y., 2010, In: Physical Chemistry Chemical Physics. 12, 24, p. 6455-6465 11 p.

研究成果 › 査読

26 被引用数 (Scopus)

Formation mechanism of powder emulsion; evaluating hydrophobic interaction between solid particles at the ari/water interface

Ohkubo, T., 2010, In: 材料技術. 28, 1, p. 8-13 6 p.

研究成果

Takahiro Ohkubo

研究成果

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