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Research Output 1999 2019

  • 2351 Citations
  • 24 h-Index
  • 111 Article
  • 5 Conference contribution
  • 1 Chapter
  • 1 Review article
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Article
2019

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., Jan 1 2019, In : Dalton Transactions. 48, 7, p. 2308-2317 10 p.

Research output: Contribution to journalArticle

Zeolites
Carbon Monoxide
Cadmium
Ions
Oxidation

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., Jul 25 2019, In : Journal of Physical Chemistry C. 123, 29, p. 17842-17854 13 p.

Research output: Contribution to journalArticle

Zeolites
Cobalt
cobalt
activation
zeolites
2018
2 Citations (Scopus)

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., Jun 15 2018, In : Materials Chemistry and Physics. 212, p. 149-154 6 p.

Research output: Contribution to journalArticle

rhodamine B
Photoreactivity
Graphite
Oxides
Graphene
6 Citations (Scopus)
Zeolites
Methane
Molecular orbitals
molecular orbitals
methane
7 Citations (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., Apr 14 2018, In : Journal of Materials Chemistry A. 6, 14, p. 5910-5918 9 p.

Research output: Contribution to journalArticle

Copper
Metals
Adsorption
Methanol
1-Propanol
2017
5 Citations (Scopus)

Identification of a Stable ZnII–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., Aug 7 2017, In : Angewandte Chemie - International Edition. 56, 33, p. 9715-9718 4 p.

Research output: Contribution to journalArticle

Zeolites
Photosystem II Protein Complex
Molecular orbitals
Metal ions
Paramagnetic resonance

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

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

Research output: Contribution to journalArticle

Bromides
Protons
Carbon
Ions
Alkali Metals
4 Citations (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.

Research output: Contribution to journalArticle

Nitrogen
Irradiation
Decomposition
Photocatalysis
Photocatalysts
4 Citations (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.

Research output: Contribution to journalArticle

Zeolites
Electronic states
zeolites
Metal ions
metal ions
2016
2 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

activated carbon
Hydration
Activated carbon
hydration
calcium
3 Citations (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., Feb 2 2016, In : Langmuir. 32, 4, p. 1058-1064 7 p.

Research output: Contribution to journalArticle

Single-walled carbon nanotubes (SWCN)
carbon nanotubes
porosity
Pore size
Water
1 Citation (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., Apr 20 2016, In : ACS Applied Materials and Interfaces. 8, 13, p. 8821-8833 13 p.

Research output: Contribution to journalArticle

Zeolites
Barium
Alkaline Earth Metals
Ions
Metal ions
2015
10 Citations (Scopus)

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., Sep 17 2015, In : Journal of Physical Chemistry C. 119, 37, p. 21483-21496 14 p.

Research output: Contribution to journalArticle

Zeolites
Propane
propane
Copper
Chemical activation
14 Citations (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., Jun 7 2015, In : Dalton Transactions. 44, 21, p. 10038-10047 10 p.

Research output: Contribution to journalArticle

Zeolites
Ions
X ray absorption fine structure spectroscopy
Mercury
Discrete Fourier transforms
2014
23 Citations (Scopus)

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., Jul 17 2014, In : Journal of Physical Chemistry C. 118, 28, p. 15234-15241 8 p.

Research output: Contribution to journalArticle

Chemical activation
activation
Ions
Electrons
orbitals
5 Citations (Scopus)

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., May 1 2014, In : Journal of Colloid and Interface Science. 421, p. 165-169 5 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Copper oxides
Nanoparticles
Oxides
Copper
2013
8 Citations (Scopus)

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., Aug 6 2013, In : Langmuir. 29, 31, p. 9727-9733 7 p.

Research output: Contribution to journalArticle

Ions
Adsorption
adsorption
room temperature
Copper
106 Citations (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., Jan 2013, In : Advanced Powder Technology. 24, 1, p. 160-167 8 p.

Research output: Contribution to journalArticle

Hematite
Nanoparticles
Hydroxyl Radical
Photoelectrochemical cells
Fluorescence spectroscopy
4 Citations (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., Mar 7 2013, In : Nanoscale. 5, 5, p. 2080-2088 9 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Carbon nanotubes
Carbon
Ions
Zinc
25 Citations (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., Sep 26 2013, In : Journal of Physical Chemistry C. 117, 38, p. 19525-19534 10 p.

Research output: Contribution to journalArticle

Zeolites
Chemical activation
activation
Ions
orbitals
9 Citations (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., Dec 2013, In : New Journal of Chemistry. 37, 12, p. 4214-4219 6 p.

Research output: Contribution to journalArticle

Paraquat
Single-walled carbon nanotubes (SWCN)
Nanowires
Hydrogen
Irradiation
7 Citations (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., Jun 7 2013, In : Physical Chemistry Chemical Physics. 15, 21, p. 8264-8270 7 p.

Research output: Contribution to journalArticle

Single-walled carbon nanotubes (SWCN)
Cobalt
cobalt
carbon nanotubes
Ions
16 Citations (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., Dec 11 2013, In : Journal of the American Chemical Society. 135, 49, p. 18481-18489 9 p.

Research output: Contribution to journalArticle

Zeolites
Ultraviolet Rays
Excited states
Ultraviolet radiation
Paramagnetic resonance
1 Citation (Scopus)

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

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

Research output: Contribution to journalArticle

Tin
Sol-gels
Condensation
Desorption
Membranes
3 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Solar cells
Microspheres
Photocurrents
Charge transfer
irradiation
2012
5 Citations (Scopus)

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., 2012, In : Chemistry Letters. 41, 7, p. 680-682 3 p.

Research output: Contribution to journalArticle

Graphite
Oxides
Atoms
Hybrid materials
Metals
11 Citations (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., May 17 2012, In : Journal of Physical Chemistry C. 116, 19, p. 10680-10691 12 p.

Research output: Contribution to journalArticle

Zeolites
Ethane
ethane
Copper
Chemical activation
25 Citations (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., Jul 27 2012, In : Angewandte Chemie - International Edition. 51, 31, p. 7719-7723 5 p.

Research output: Contribution to journalArticle

Zeolites
Discrete Fourier transforms
Ions
Oxidation-Reduction
8 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

slits
Copper
acetates
Acetates
Carbon
2011
9 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

activated carbon
carbon fibers
Activated carbon
Carbon fibers
Zinc
97 Citations (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., Apr 2011, In : Carbon. 49, 4, p. 1118-1125 8 p.

Research output: Contribution to journalArticle

Graphite
Oxides
Graphene
Cations
Positive ions
6 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

cobalt oxalates
Oxalates
Cobalt
Nanoparticles
Nanocrystals
12 Citations (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., Oct 17 2011, In : Inorganic Chemistry. 50, 20, p. 9948-9957 10 p.

Research output: Contribution to journalArticle

Photocatalysts
aqueous solutions
Nitridation
Methylene Blue
Surface states
15 Citations (Scopus)

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., Sep 16 2010, In : Journal of Physical Chemistry Letters. 1, 18, p. 2642-2650 9 p.

Research output: Contribution to journalArticle

Zeolites
chemistry
X ray absorption
Bond length
room temperature
22 Citations (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.

Research output: Contribution to journalArticle

Adsorption
adsorption
Zeolites
Acetylene
Molecules
6 Citations (Scopus)

Structural optimization of arranged carbon nanotubes for hydrogen storage by grand canonical Monte Carlo simulation

Minami, D., Ohkubo, T., Kuroda, Y., Sakai, K., Sakai, H. & Abe, M., Nov 2010, In : International Journal of Hydrogen Energy. 35, 22, p. 12398-12404 7 p.

Research output: Contribution to journalArticle

Structural optimization
Hydrogen storage
Carbon nanotubes
carbon nanotubes
Hydrogen

XAFS study of specific methane adsorption at 298 K on CuMFI zeolite

Ohkubo, T., 2010, In : Photon Factory Activity Report 2008. 26, p. 44-44 1 p.

Research output: Contribution to journalArticle

2009
27 Citations (Scopus)

Potential for C-H activation in CH4 utilizing a cumfi-type zeolite as a catalyst

Itadani, A., Sugiyama, H., Tanaka, M., Ohkubo, T., Yumura, T., Kobayashi, H. & Kuroda, Y., Apr 30 2009, In : Journal of Physical Chemistry C. 113, 17, p. 7213-7222 10 p.

Research output: Contribution to journalArticle

Zeolites
Chemical activation
activation
Ions
catalysts
2008
74 Citations (Scopus)

Adsorption and micellization behavior of novel gluconamide-type gemini surfactants

Sakai, K., Umezawa, S., Tamura, M., Takamatsu, Y., Tsuchiya, K., Torigoe, K., Ohkubo, T., Yoshimura, T., Esumi, K., Sakai, H. & Abe, M., Feb 15 2008, In : Journal of Colloid and Interface Science. 318, 2, p. 440-448 9 p.

Research output: Contribution to journalArticle

Micellization
Surface-Active Agents
Critical micelle concentration
micelles
Surface active agents
2007
65 Citations (Scopus)

Adsorption and aggregation properties of amino acid-based N-alkyl cysteine monomeric and N, N′-dialkyl cystine gemini surfactants

Yoshimura, T., Sakato, A., Tsuchiya, K., Ohkubo, T., Sakai, H., Abe, M. & Esumi, K., Apr 15 2007, In : Journal of Colloid and Interface Science. 308, 2, p. 466-473 8 p.

Research output: Contribution to journalArticle

Cystines
Cystine
cysteine
Surface-Active Agents
Cysteine
24 Citations (Scopus)

Cationic surfactant changes the morphology of DNA molecules

Nakanishi, H., Tsuchiya, K., Ohkubo, T., Sakai, H. & Abe, M., Jan 16 2007, In : Langmuir. 23, 2, p. 345-347 3 p.

Research output: Contribution to journalArticle

Cationic surfactants
bromides
DNA
deoxyribonucleic acid
surfactants
19 Citations (Scopus)

Phase behavior of mixed solution of a glycerin-modified cationic surfactant and an anionic surfactant

Tsuchiya, K., Ishikake, J., Kim, T. S., Ohkubo, T., Sakai, H. & Abe, M., Aug 1 2007, In : Journal of Colloid and Interface Science. 312, 1, p. 139-145 7 p.

Research output: Contribution to journalArticle

Sodium sulfate
Anionic surfactants
Cationic surfactants
Phase behavior
Glycerol
26 Citations (Scopus)

Photo-isomerization of spiropyran-modified cationic surfactants

Sakai, H., Ebana, H., Sakai, K., Tsuchiya, K., Ohkubo, T. & Abe, M., Dec 15 2007, In : Journal of Colloid and Interface Science. 316, 2, p. 1027-1030 4 p.

Research output: Contribution to journalArticle

Photoisomerization
Cationic surfactants
Isomerization
isomerization
surfactants
1 Citation (Scopus)
Boron Compounds
Borides
Titanium
2-Propanol
Propanol