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Research Output 2000 2019

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2019

Alkaline Stability of Anion-Conductive Ionomer Coated on a Carbon Surface

Han, Z., Motoishi, Y. & Fujigaya, T., Oct 22 2019, In : ACS Omega. 4, 17, p. 17134-17139 6 p.

Research output: Contribution to journalArticle

Open Access
Ionomers
Anions
Negative ions
Carbon
Fuel cells

Brighter near-IR emission of single-walled carbon nanotubes modified with a cross-linked polymer coating

Nagai, Y., Yudasaka, M., Kataura, H. & Fujigaya, T., Jan 1 2019, In : Chemical Communications. 55, 48, p. 6854-6857 4 p.

Research output: Contribution to journalArticle

Single-walled carbon nanotubes (SWCN)
Polymers
Infrared radiation
Coatings
Photoluminescence
1 Citation (Scopus)

Development of thermoelectric conversion materials using carbon nanotube sheets

Fujigaya, T., Jan 1 2019, In : Bulletin of the Chemical Society of Japan. 92, 2, p. 400-408 9 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Single-walled carbon nanotubes (SWCN)
Waste heat
Stabilization
Polymers

Effect of nitrogen-containing polymer wrapped around carbon nanotubes for Li–O2 battery cathode

Fujigaya, T., Kanamori, R., Hirata, S., Morita, J., Matsumoto, M., Eguchi, M., Jang, I. C., Ishihara, T. & Nakashima, N., Sep 1 2019, In : Polymer Journal. 51, 9, p. 921-927 7 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Single-walled carbon nanotubes (SWCN)
Carbon nanotubes
Polymers
Cathodes

Enhanced platinum utilization efficiency of polymer-coated carbon black as an electrocatalyst in polymer electrolyte membrane fuel cells

Jayawickrama, S. M., Han, Z., Kido, S., Nakashima, N. & Fujigaya, T., Jul 20 2019, In : Electrochimica Acta. 312, p. 349-357 9 p.

Research output: Contribution to journalArticle

Soot
Electrocatalysts
Proton exchange membrane fuel cells (PEMFC)
Carbon black
Platinum
Open Access
Single-walled carbon nanotubes (SWCN)
Photoluminescence
Tuning
Infrared radiation
Wavelength
5 Citations (Scopus)

Single-step isolation of carbon nanotubes with narrow-band light emission characteristics

Turek, E., Shiraki, T., Shiraishi, T., Shiga, T., Fujigaya, T. & Janas, D., Dec 1 2019, In : Scientific reports. 9, 1, 535.

Research output: Contribution to journalArticle

Carbon Nanotubes
Light
Antidotes
Surface-Active Agents
2 Citations (Scopus)

Solvatochromism of near infrared photoluminescence from doped sites of locally functionalized single-walled carbon nanotubes

Shiraki, T., Niidome, Y., Toshimitsu, F., Shiraishi, T., Shiga, T., Yu, B. & Fujigaya, T., Jan 1 2019, In : Chemical Communications. 55, 25, p. 3662-3665 4 p.

Research output: Contribution to journalArticle

Single-walled carbon nanotubes (SWCN)
Organic solvents
Nanotubes
Photoluminescence
Infrared radiation
Carbon Nanotubes
durability
Catalyst supports
Carbon nanotubes
Durability
1 Citation (Scopus)

Thermoelectric properties of dispersant-free semiconducting single-walled carbon nanotubes sorted by a flavin extraction method

Huang, W., Toshimitsu, F., Ozono, K., Matsumoto, M., Borah, A., Motoishi, Y., Park, K. H., Jang, J. W. & Fujigaya, T., Jan 1 2019, In : Chemical Communications. 55, 18, p. 2636-2639 4 p.

Research output: Contribution to journalArticle

Single-walled carbon nanotubes (SWCN)
Methylene Chloride
Dichloromethane
Derivatives
4,6-dinitro-o-cresol
2 Citations (Scopus)

Thermoelectric properties of sorted semiconducting single-walled carbon nanotube sheets

Huang, W., Tokunaga, E., Nakashima, Y. & Fujigaya, T., Jan 1 2019, In : Science and Technology of Advanced Materials. 20, 1, p. 97-104 8 p.

Research output: Contribution to journalArticle

Open Access
Single-walled carbon nanotubes (SWCN)
Seebeck coefficient
Thermal conductivity
Sorting
Carrier concentration
2018
1 Citation (Scopus)

A potential polymer formulation of a durable carbon-black catalyst with a significant fuel cell performance over a wide operating temperature range

Berber, M. R., Fujigaya, T. & Nakashima, N., Dec 1 2018, In : Materials Today Energy. 10, p. 161-168 8 p.

Research output: Contribution to journalArticle

Soot
Carbon black
Fuel cells
Polymers
Catalysts
3 Citations (Scopus)

Chiral Selective Chemical Reaction of Flavin-Derivative-Wrapped Semiconducting Single-Walled Carbon Nanotubes Based on a Specific Recognition

Ozono, K., Fukuzawa, M., Toshimitsu, F., Shiraki, T., Fujigaya, T. & Nakashima, N., Jan 1 2018, In : Bulletin of the Chemical Society of Japan. 91, 11, p. 1646-1651 6 p.

Research output: Contribution to journalArticle

Single-walled carbon nanotubes (SWCN)
Chemical reactions
Derivatives
Chlorine
Chloroform
4 Citations (Scopus)
Single-walled carbon nanotubes (SWCN)
Ether
Ethers
Photoluminescence
Doping (additives)
5 Citations (Scopus)

Electronic Structure of a Polybenzimidazole-Wrapped Single-Wall Carbon Nanotube

Ghuman, K. K. & Fujigaya, T., Jul 19 2018, In : Journal of Physical Chemistry C. 122, 28, p. 15979-15985 7 p.

Research output: Contribution to journalArticle

polybenzimidazole
Carbon Nanotubes
Proton exchange membrane fuel cells (PEMFC)
Electronic structure
Carbon nanotubes

Gate-enhanced exciton-phonon coupling in photocurrent of (6,5) single-walled carbon nanotube based visible sensing field effect transistor

Park, K. H., Lee, S. H., Toshimitsu, F., Lee, J., Park, S. H., Fujigaya, T. & Jang, J. W., Nov 1 2018, In : Carbon. 139, p. 709-715 7 p.

Research output: Contribution to journalArticle

Single-walled carbon nanotubes (SWCN)
Field effect transistors
Photocurrents
Excitons
Electric potential
60 Citations (Scopus)

Insights into the Low Overpotential Electroreduction of CO2 to CO on a Supported Gold Catalyst in an Alkaline Flow Electrolyzer

Verma, S., Hamasaki, Y., Kim, C., Huang, W., Lu, S., Jhong, H. R. M., Gewirth, A. A., Fujigaya, T., Nakashima, N. & Kenis, P. J. A., Jan 12 2018, In : ACS Energy Letters. 3, 1, p. 193-198 6 p.

Research output: Contribution to journalArticle

Carbon Monoxide
Gold
Cathodes
Catalysts
Isotopes
3 Citations (Scopus)

Multistep Wavelength Switching of Near-Infrared Photoluminescence Driven by Chemical Reactions at Local Doped Sites of Single-Walled Carbon Nanotubes

Shiraki, T., Shiga, T., Shiraishi, T., Onitsuka, H., Nakashima, N. & Fujigaya, T., Dec 20 2018, In : Chemistry - A European Journal. 24, 72, p. 19162-19165 4 p.

Research output: Contribution to journalArticle

Imines
Single-walled carbon nanotubes (SWCN)
Chemical reactions
Photoluminescence
Infrared radiation

Polymer-coated carbon nanotubes as a molecular heater platform for hyperthermic therapy

Mori, K., Kawaguchi, M., Fujigaya, T., Ohno, J. & Ikebe, T., Jan 1 2018, In : Journal of Hard Tissue Biology. 27, 2, p. 139-146 8 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Single-walled carbon nanotubes (SWCN)
Carbon nanotubes
Polymers
Polyethylene glycols
1 Citation (Scopus)

Selective ionic conduction in choline iodide/triiodide solid electrolyte and its application to thermocells

Shimono, T., Matsuki, M., Yamada, T., Morikawa, M., Yasuda, N., Fujigaya, T. & Kimizuka, N., Jan 1 2018, In : Chemistry Letters. 47, 3, p. 261-264 4 p.

Research output: Contribution to journalArticle

Ionic conduction
Solid electrolytes
Iodides
Choline
Seebeck coefficient
3 Citations (Scopus)

Synthesis of Single-Walled Carbon Nanotubes Coated with Thiol-Reactive Gel via Emulsion Polymerization

Nagai, Y., Tsutsumi, Y., Nakashima, N. & Fujigaya, T., Jul 11 2018, In : Journal of the American Chemical Society. 140, 27, p. 8544-8550 7 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Emulsion polymerization
Single-walled carbon nanotubes (SWCN)
Emulsions
Sulfhydryl Compounds
2017
5 Citations (Scopus)

A highly efficient and durable carbon nanotube-based anode electrocatalyst for water electrolyzers

Fujigaya, T., Shi, Y., Yang, J., Li, H., Ito, K. & Nakashima, N., Jan 1 2017, In : Journal of Materials Chemistry A. 5, 21, p. 10584-10590 7 p.

Research output: Contribution to journalArticle

Iridium
Carbon Nanotubes
Electrocatalysts
Carbon nanotubes
Anodes
27 Citations (Scopus)
Carbon Nanotubes
Nanoparticles
Oxygen
Metals
Oxides
19 Citations (Scopus)
Single-walled carbon nanotubes (SWCN)
imidazoles
carbon nanotubes
Doping (additives)
air
7 Citations (Scopus)
Nanoclusters
Electrospinning
Phosphoric acid
Protons
Membranes
13 Citations (Scopus)

Gold Nanoparticles on Polymer-Wrapped Carbon Nanotubes: An Efficient and Selective Catalyst for the Electroreduction of CO2

Jhong, H. R. M., Tornow, C. E., Kim, C., Verma, S., Oberst, J. L., Anderson, P. S., Gewirth, A. A., Fujigaya, T., Nakashima, N. & Kenis, P. J. A., Nov 17 2017, In : ChemPhysChem. 18, 22, p. 3274-3279 6 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Carbon Monoxide
Gold
Polymers
carbon nanotubes
3 Citations (Scopus)

High Electronic Conductivity and Air Stability of Ultrasmall Copper-Metal Nanoparticles Supported on Pyridine-Based Polybenzimidazole Carbon Nanotube Composite

Hafez, I. H., Berber, M. R., Fujigaya, T. & Nakashima, N., Nov 23 2017, In : ChemCatChem. 9, 22, p. 4282-4286 5 p.

Research output: Contribution to journalArticle

polybenzimidazole
Carbon Nanotubes
Metal nanoparticles
Pyridine
Copper
1 Citation (Scopus)

Ionomer grafting to polymer-wrapped carbon nanotubes for polymer electrolyte membrane fuel cell electrocatalyst

Fujigaya, T., Saito, C., Han, Z. & Nakashima, N., Jan 1 2017, In : Chemistry Letters. 46, 11, p. 1660-1663 4 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Ionomers
Electrocatalysts
Proton exchange membrane fuel cells (PEMFC)
Platinum
13 Citations (Scopus)

Pristine carbon nanotube/iron phthalocyanine hybrids with a well-defined nanostructure show excellent efficiency and durability for the oxygen reduction reaction

Yang, J., Toshimitsu, F., Yang, Z., Fujigaya, T. & Nakashima, N., Jan 1 2017, In : Journal of Materials Chemistry A. 5, 3, p. 1184-1191 8 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Nanostructures
Carbon nanotubes
Durability
Iron
2016
11 Citations (Scopus)

Effects of operating conditions on performance of high-temperature polymer electrolyte water electrolyzer

Li, H., Inada, A., Fujigaya, T., Nakajima, H., Sasaki, K. & Ito, K., Jun 30 2016, In : Journal of Power Sources. 318, p. 192-199 8 p.

Research output: Contribution to journalArticle

overvoltage
Electrolytes
Polymers
electrolytes
Water
17 Citations (Scopus)
electrocatalysts
Electrocatalysts
Platinum
Carbon nanotubes
platinum
12 Citations (Scopus)

Enhancement of performance of pyridine modified polybenzimidazole fuel cell membranes using zirconium oxide nanoclusters and optimized phosphoric acid doping level

Nasef, M. M., Fujigaya, T., Abouzari-Lotf, E., Nakashima, N. & Yang, Z., May 4 2016, In : International Journal of Hydrogen Energy. 41, 16, p. 6842-6854 13 p.

Research output: Contribution to journalArticle

polybenzimidazole
Nanoclusters
phosphoric acid
Phosphoric acid
Cell membranes
17 Citations (Scopus)

Growth and Deposition of Au Nanoclusters on Polymer-wrapped Graphene and Their Oxygen Reduction Activity

Fujigaya, T., Kim, C., Hamasaki, Y. & Nakashima, N., Feb 22 2016, In : Scientific reports. 6, 21314.

Research output: Contribution to journalArticle

Graphite
Nanoclusters
Polymers
Oxygen
Nanoparticles
10 Citations (Scopus)

Improved Durability of Electrocatalyst Based on Coating of Carbon Black with Polybenzimidazole and their Application in Polymer Electrolyte Fuel Cells

Fujigaya, T., Hirata, S., Berber, M. R. & Nakashima, N., Jun 15 2016, In : ACS Applied Materials and Interfaces. 8, 23, p. 14494-14502 9 p.

Research output: Contribution to journalArticle

Soot
Electrocatalysts
Carbon black
Electrolytes
Fuel cells
1 Citation (Scopus)

Interfacial engineering of epoxy/carbon nanotubes using reactive glue for effective reinforcement of the composite

Fujigaya, T., Saegusa, Y., Momota, S., Uda, N. & Nakashima, N., Feb 1 2016, In : Polymer Journal. 48, 2, p. 183-188 6 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Glues
Carbon nanotubes
Reinforcement
Composite materials
6 Citations (Scopus)
polybenzimidazole
Carbon Nanotubes
electrocatalysts
Electrocatalysts
Platinum
5 Citations (Scopus)
overvoltage
Boiling point
boiling
accumulators
Electrolytes
3 Citations (Scopus)

Photo-swing extraction system for the separation of lanthanide using a pyrene group-containing thermosensitive polymer combined with carbon nanotubes

Nishihama, S., Takayama, S., Yoshizuka, K., Fujigaya, T. & Nakashima, N., Nov 1 2016, In : Separation Science and Technology (Philadelphia). 51, 15-16, p. 2492-2500 9 p.

Research output: Contribution to journalArticle

Lanthanoid Series Elements
Carbon Nanotubes
Pyrene
Rare earth elements
Carbon nanotubes
4 Citations (Scopus)

Requirement for the formation of crosslinked polymers on single-walled carbon nanotubes using vinyl monomers

Tsutsumi, Y., Fujigaya, T. & Nakashima, N., Jan 1 2016, In : Chemistry Letters. 45, 3, p. 274-276 3 p.

Research output: Contribution to journalArticle

Single-walled carbon nanotubes (SWCN)
Polymers
Monomers
Coatings
2 Citations (Scopus)

Solvent-free fabrication of carbon nanotube/resin composite for printable thermoelectric device

Huang, W., Nakashima, N. & Fujigaya, T., Jan 1 2016, In : Chemistry Letters. 45, 8, p. 875-877 3 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Composite Resins
Single-walled carbon nanotubes (SWCN)
Ink
Fabrication
2015
16 Citations (Scopus)

A highly durable fuel cell electrocatalyst based on double-polymer-coated carbon nanotubes

Berber, M. R., Hafez, I. H., Fujigaya, T. & Nakashima, N., Nov 23 2015, In : Scientific reports. 5, 16711.

Research output: Contribution to journalArticle

Carbon Nanotubes
Electrocatalysts
Fuel cells
Polymers
Proton exchange membrane fuel cells (PEMFC)
24 Citations (Scopus)
Carbon Nanotubes
Electrocatalysts
Phosphoric acid
Pyridine
Carbon nanotubes
80 Citations (Scopus)

Development of n-type cobaltocene-encapsulated carbon nanotubes with remarkable thermoelectric property

Fukumaru, T., Fujigaya, T. & Nakashima, N., Jan 22 2015, In : Scientific reports. 5, 7951.

Research output: Contribution to journalArticle

carbon nanotubes
thermoelectric materials
meteorology
heat
protective coatings
7 Citations (Scopus)

Fabrication of highly transparent, thermally stable, and scalable conductive films from double-walled carbon nanotubes

Imazu, N., Fujigaya, T. & Nakashima, N., 2015, In : Bulletin of the Chemical Society of Japan. 88, 1, p. 217-221 5 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Conductive films
Electron devices
Fabrication
Dilution
37 Citations (Scopus)

Facile Enhancement in CO-Tolerance of a Polymer-Coated Pt Electrocatalyst Supported on Carbon Black: Comparison between Vulcan and Ketjenblack

Yang, Z., Kim, C. R., Hirata, S., Fujigaya, T. & Nakashima, N., Jul 29 2015, In : ACS Applied Materials and Interfaces. 7, 29, p. 15885-15891 7 p.

Research output: Contribution to journalArticle

Soot
Electrocatalysts
Carbon Monoxide
Carbon black
Polymers
21 Citations (Scopus)

Homogeneous coating of ionomer on electrocatalyst assisted by polybenzimidazole as an adhesive layer and its effect on fuel cell performance

Yang, Z., Fujigaya, T. & Nakashima, N., Dec 30 2015, In : Journal of Power Sources. 300, p. 175-181 7 p.

Research output: Contribution to journalArticle

polybenzimidazole
Ionomers
electrocatalysts
Electrocatalysts
adhesives
5 Citations (Scopus)

Size reduction of 3D-polymer-coated single-walled carbon nanotubes by ultracentrifugation

Tsutsumi, Y., Fujigaya, T. & Nakashima, N., Dec 14 2015, In : Nanoscale. 7, 46, p. 19534-19539 6 p.

Research output: Contribution to journalArticle

Single-walled carbon nanotubes (SWCN)
Polymers
Photodynamic therapy
Dynamic light scattering
Polyethylene glycols
12 Citations (Scopus)

Strong main-chain length-dependence for the β-phase formation of oligofluorenes

Shiraki, T., Shindome, S., Toshimitsu, F., Fujigaya, T. & Nakashima, N., Jul 28 2015, In : Polymer Chemistry. 6, 28, p. 5103-5109 7 p.

Research output: Contribution to journalArticle

Chain length
Semiconductor Lasers
Fluorescence Spectrometry
Optical properties
Fluorescence spectroscopy
2014
36 Citations (Scopus)

A highly durable fuel cell electrocatalyst based on polybenzimidazole- coated stacked graphene

Fujigaya, T., Hirata, S. & Nakashima, N., Mar 21 2014, In : Journal of Materials Chemistry A. 2, 11, p. 3888-3893 6 p.

Research output: Contribution to journalArticle

Graphite
Electrocatalysts
Graphene
Fuel cells
Catalysts
3 Citations (Scopus)

Design and fabrication of Ni nanowires having periodically hollow nanostructures

Sada, T., Fujigaya, T. & Nakashima, N., Oct 7 2014, In : Nanoscale. 6, 19, p. 11484-11488 5 p.

Research output: Contribution to journalArticle

Nickel
Nanowires
Nanostructures
Fabrication
Aluminum Oxide