Hidehisa Hagiwara

2022

Photocatalytic Water Splitting on KTa(Zr)O₃Modified with Acene-Based Organic Semiconductors

Hagiwara, H., Watanabe, M., Kim, S., Higashi, K. & Ishihara, T., 2022/06/16, In: Journal of Physical Chemistry C. 126, 23, p. 9634-9641 8 p.

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

2021

Characteristics of YCoO₃-type perovskite oxide and application as an SOFC cathode

Sakai, T., Ogushi, M., Hosoi, K., Inoishi, A., Hagiwara, H., Ida, S., Oishi, M. & Ishihara, T., 2021/02/14, In: Journal of Materials Chemistry A. 9, 6, p. 3584-3588 5 p.

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

2019

Hydrogen production by photocatalytic water splitting of aqueous hydrogen iodide over Pt/alkali metal tantalates

Hagiwara, H., Nozawa, I., Hayakawa, K. & Ishihara, T., 2019, In: Sustainable Energy and Fuels. 3, 11, p. 3021-3028 8 p.

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Photocatalytic water splitting over Pt-loaded TiO₂ (Pt/TiO₂) catalysts prepared by the polygonal barrel-sputtering method

Matsubara, K., Inoue, M., Hagiwara, H. & Abe, T., 2019/10/05, In: Applied Catalysis B: Environmental. 254, p. 7-14 8 p.

Research output: Contribution to journal › Article › peer-review

53 Scopus citations

2018

A Cocatalyst that Stabilizes a Hydride Intermediate during Photocatalytic Hydrogen Evolution over a Rhodium-Doped TiO₂ Nanosheet

Ida, S., Sato, K., Nagata, T., Hagiwara, H., Watanabe, M., Kim, N., Shiota, Y., Koinuma, M., Takenaka, S., Sakai, T., Ertekin, E. & Ishihara, T., 2018/07/16, In: Angewandte Chemie - International Edition. 57, 29, p. 9073-9077 5 p.

Research output: Contribution to journal › Article › peer-review

76 Scopus citations

2017

[FeFe]-Hydrogenase and its organic molecule mimics—Artificial and bioengineering application for hydrogenproduction

Watanabe, M., Honda, Y., Hagiwara, H. & Ishihara, T., 2017/12, In: Journal of Photochemistry and Photobiology C: Photochemistry Reviews. 33, p. 1-26 26 p.

Research output: Contribution to journal › Review article › peer-review

30 Scopus citations

Effects of preparation condition on the photocatalytic activity of porphyrin-modified GaN:ZnO for water splitting

Hagiwara, H., Kakigi, R., Takechi, S., Watanabe, M., Hinokuma, S., Ida, S. & Ishihara, T., 2017/09/15, In: Surface and Coatings Technology. 324, p. 601-606 6 p.

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Inorganic/whole-cell biohybrid photocatalyst for highly efficient hydrogen production from water

Honda, Y., Watanabe, M., Hagiwara, H., Ida, S. & Ishihara, T., 2017, In: Applied Catalysis B: Environmental. 210, p. 400-406 7 p.

Research output: Contribution to journal › Article › peer-review

61 Scopus citations

Ni-Fe Nitride Nanoplates on Nitrogen-Doped Graphene as a Synergistic Catalyst for Reversible Oxygen Evolution Reaction and Rechargeable Zn-Air Battery

Fan, Y., Ida, S., Staykov, A., Akbay, T., Hagiwara, H., Matsuda, J., Kaneko, K. & Ishihara, T., 2017/07/05, In: Small. 13, 25, 1700099.

Research output: Contribution to journal › Article › peer-review

165 Scopus citations

Overall water splitting on dye-modified inorganic semiconductor photocatalysts

Hagiwara, H., Watanabe, M., Ida, S. & Ishihara, T., 2017, In: Journal of the Japan Petroleum Institute. 60, 1, p. 10-18 9 p.

Research output: Contribution to journal › Review article › peer-review

Open Access

5 Scopus citations

Photoelectrochemical H₂ evolution using TiO₂-coated CaFe₂O₄ without an external applied bias under visible light irradiation at 470 nm based on device modeling

Ida, S., Kearney, K., Futagami, T., Hagiwara, H., Sakai, T., Watanabe, M., Rockett, A. & Ishihara, T., 2017, In: Sustainable Energy and Fuels. 1, 2, p. 280-287 8 p.

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Two-Dimensional TiO₂ Nanosheets for Photo and Electro-Chemical Oxidation of Water: Predictions of Optimal Dopant Species from First-Principles

Kim, N., Turner, E. M., Kim, Y., Ida, S., Hagiwara, H., Ishihara, T. & Ertekin, E., 2017/09/07, In: Journal of Physical Chemistry C. 121, 35, p. 19201-19208 8 p.

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

2016

5,5′-alkylsubsituted indigo for solution-processed optoelectronic devices

Watanabe, M., Uemura, N., Ida, S., Hagiwara, H., Goto, K. & Ishihara, T., 2016, In: Tetrahedron. 72, 29, p. 4280-4287 8 p.

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Application to Photocatalytic H₂Production of a Whole-Cell Reaction by Recombinant Escherichia coli Cells Expressing [FeFe]-Hydrogenase and Maturases Genes

Honda, Y., Hagiwara, H., Ida, S. & Ishihara, T., 2016/07/04, In: Angewandte Chemie - International Edition. 55, 28, p. 8045-8048 4 p.

Research output: Contribution to journal › Article › peer-review

101 Scopus citations

CO₂ sensing properties of Zr-added porous CaFe₂O₄ powder

Obata, K., Mizuta, K., Obukuro, Y., Sakai, G., Hagiwara, H., Ishihara, T. & Matsushima, S., 2016, In: Sensors and Materials. 28, 11, p. 1157-1164 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

5 Scopus citations

Effect of porphyrin molecular structure on water splitting activity of a KTaO₃ photocatalyst

Hagiwara, H., Higashi, K., Watanabe, M., Kakigi, R., Ida, S. & Ishihara, T., 2016/03/10, In: Catalysts. 6, 3, 42.

Research output: Contribution to journal › Article › peer-review

Open Access

23 Scopus citations

La_0.8Sr_0.2FeO_3-δ as Fuel Electrode for Solid Oxide Reversible Cells Using LaGaO₃-Based Oxide Electrolyte

Hosoi, K., Hagiwara, H., Ida, S. & Ishihara, T., 2016/07/28, In: Journal of Physical Chemistry C. 120, 29, p. 16110-16117 8 p.

Research output: Contribution to journal › Article › peer-review

64 Scopus citations

Solid oxide amperometric CO sensor prepared by DC sputtering

Ishihara, T., Mori, T., Iwata, J., Hagiwara, H. & Ida, S., 2016, In: Sensors and Materials. 28, 4, p. 271-277 7 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Visible-Light-Driven Photocatalytic Hydrogen Generation on Nanosized TiO₂-II Stabilized by High-Pressure Torsion

Razavi-Khosroshahi, H., Edalati, K., Hirayama, M., Emami, H., Arita, M., Yamauchi, M., Hagiwara, H., Ida, S., Ishihara, T., Akiba, E., Horita, Z. & Fuji, M., 2016/08/05, In: ACS Catalysis. 6, 8, p. 5103-5107 5 p.

Research output: Contribution to journal › Article › peer-review

80 Scopus citations

2015

H₂O₂ synthesis by selective oxidation of H₂ over Pd-Au bimetallic nano colloid catalyst under addition of NaBr and H₃PO₄

Ishihara, T., Nakashima, R., Ooishi, Y., Hagiwara, H., Matsuka, M. & Ida, S., 2015/06/15, In: Catalysis Today. 248, p. 35-39 5 p.

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Impact of alkoxy chain length on carbazole-based, visible light-driven, dye sensitized photocatalytic hydrogen production

Watanabe, M., Hagiwara, H., Ogata, Y., Staykov, A., Bishop, S. R., Perry, N. H., Chang, Y. J., Ida, S., Tanaka, K. & Ishihara, T., 2015, In: Journal of Materials Chemistry A. 3, 43, p. 21713-21721 9 p.

Research output: Contribution to journal › Article › peer-review

38 Scopus citations

RuO₂ nanoparticle-modified (Ce,Mn,Fe)O₂/(La,Sr) (Fe,Mn)O₃ composite oxide as an active anode for direct hydrocarbon type solid oxide fuel cells

Shin, T. H., Hagiwara, H., Ida, S. & Ishihara, T., 2015/09/01, In: Journal of Power Sources. 289, p. 138-145 8 p.

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Synthesis and Investigation of the Effect of Substitution on the Structure, Physical Properties, and Electrochemical Properties of Anthracenodifuran Derivatives

Watanabe, M., Doi, Y., Hagiwara, H., Staykov, A. T., Ida, S., Matsumoto, T., Shinmyozu, T. & Ishihara, T., 2015/09/18, In: Journal of Organic Chemistry. 80, 18, p. 9159-9166 8 p.

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

2014

Direct imaging of light emission centers in two-dimensional crystals and their luminescence and photocatalytic properties

Ida, S., Koga, S., Daio, T., Hagiwara, H. & Ishihara, T., 2014/11/24, In: Angewandte Chemie - International Edition. 53, 48, p. 13078-13082 5 p.

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Direct soft-templating route to crystalline mesoporous transition-metal oxides

Guo, L., Ida, S., Hagiwara, H., Daio, T. & Ishihara, T., 2014/06/01, In: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 451, 1, p. 136-143 8 p.

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Fabrication of an oxysulfide of bismuth Bi₂O₂S and its photocatalytic activity in a Bi₂O₂S/In ₂O₃ composite

Pacquette, A. L., Hagiwara, H., Ishihara, T. & Gewirth, A. A., 2014/03/01, In: Journal of Photochemistry and Photobiology A: Chemistry. 277, p. 27-36 10 p.

Research output: Contribution to journal › Article › peer-review

83 Scopus citations

In situ carbonization of a soft-template to directly synthesize crystalline mesoporous metal oxides with high surface areas

Guo, L., Ida, S., Daio, T., Hagiwara, H. & Ishihara, T., 2014/12/01, In: New Journal of Chemistry. 38, 12, p. 5846-5855 10 p.

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Modification effects of meso-hexakis(pentafluorophenyl) [26]hexaphyrin aggregates on the photocatalytic water splitting

Hagiwara, H., Watanabe, M., Daio, T., Ida, S. & Ishihara, T., 2014/09/18, In: Chemical Communications. 50, 83, p. 12515-12518 4 p.

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Potential gradient and photocatalytic activity of an ultrathin p-n junction surface prepared with two-dimensional semiconducting nanocrystals

Ida, S., Takashiba, A., Koga, S., Hagiwara, H. & Ishihara, T., 2014/02/05, In: Journal of the American Chemical Society. 136, 5, p. 1872-1878 7 p.

Research output: Contribution to journal › Article › peer-review

157 Scopus citations

Spacer effects in metal-free organic dyes for visible-light-driven dye-sensitized photocatalytic hydrogen production

Watanabe, M., Hagiwara, H., Iribe, A., Ogata, Y., Shiomi, K., Staykov, A., Ida, S., Tanaka, K. & Ishihara, T., 2014/08/28, In: Journal of Materials Chemistry A. 2, 32, p. 12952-12961 10 p.

Research output: Contribution to journal › Article › peer-review

84 Scopus citations

2013

Black-colored nitrogen-doped calcium niobium oxide nanosheets and their photocatalytic properties under visible light irradiation

Ida, S., Okamoto, Y., Koga, S., Hagiwara, H. & Ishihara, T., 2013/08/07, In: RSC Advances. 3, 29, p. 11521-11524 4 p.

Research output: Contribution to journal › Article › peer-review

44 Scopus citations

Direct conversion of ethane to acetic acid over H-ZSM-5 using H ₂O₂ in aqueous phase

Rahman, A. K. M. L., Indo, R., Hagiwara, H. & Ishihara, T., 2013/04/10, In: Applied Catalysis A: General. 456, p. 82-87 6 p.

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Dye modification effects on TaON for photocatalytic hydrogen production from water

Hagiwara, H., Nagatomo, M., Seto, C., Ida, S. & Ishiahara, T., 2013, In: Catalysts. 3, 3, p. 614-624 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

22 Scopus citations

Dye-modification effects on water splitting activity of GaN:ZnO photocatalyst

Hagiwara, H., Nagatomo, M., Seto, C., Ida, S. & Ishihara, T., 2013, In: Journal of Photochemistry and Photobiology A: Chemistry. 272, p. 41-48 8 p.

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Effects of fluorinated hydrocarbon addition on H₂O₂ direct synthesis from H₂ and air over an Au-Pd bimetallic catalyst supported on rutile-TiO₂

Ishihara, T., Shigeta, K., Ooishi, Y., Matsuka, M., Hagiwara, H. & Ida, S., 2013/10/01, In: Catalysis Science and Technology. 3, 11, p. 2971-2975 5 p.

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Ni-Fe bimetallic cathodes for intermediate temperature CO₂ electrolyzers using a La_0.9Sr_0.1Ga_0.8Mg _0.2O₃ electrolyte

Wang, S., Inoishi, A., Hong, J. E., Ju, Y. W., Hagiwara, H., Ida, S. & Ishihara, T., 2013/10/28, In: Journal of Materials Chemistry A. 1, 40, p. 12455-12461 7 p.

Research output: Contribution to journal › Article › peer-review

58 Scopus citations

One-pot soft-templating method to synthesize crystalline mesoporous tantalum oxide and its photocatalytic activity for overall water splitting

Guo, L., Hagiwara, H., Ida, S., Daio, T. & Ishihara, T., 2013/11/13, In: ACS Applied Materials and Interfaces. 5, 21, p. 11080-11086 7 p.

Research output: Contribution to journal › Article › peer-review

38 Scopus citations

Preparation and photocatalytic properties of sr_2-xba_xta₃o_10-yn_z nanosheets

Ida, S., Okamoto, Y., Hagiwara, H. & Ishihara, T., 2013/01/16, In: Catalysts. 3, 1

Research output: Contribution to journal › Article › peer-review

Open Access

14 Scopus citations

2012

Manganese oxide with a card-house-like structure reassembled from nanosheets for rechargeable Li-air battery

Ida, S., Thapa, A. K., Hidaka, Y., Okamoto, Y., Matsuka, M., Hagiwara, H. & Ishihara, T., 2012/04/01, In: Journal of Power Sources. 203, p. 159-164 6 p.

Research output: Contribution to journal › Article › peer-review

69 Scopus citations

Photocatalytic splitting of water into hydrogen and oxygen on organic dye modified KTa(Zr)O₃ catalyst

Hagiwara, H., Nagatomo, M., Ida, S. & Ishihara, T., 2012, EMRS Symposium T: Materials for Solar Hydrogen via Photo-Electrochemical Production. Elsevier Ltd, p. 53-60 8 p. (Energy Procedia; vol. 22).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Open Access

11 Scopus citations

Photocatalytic water splitting into H₂ and O₂ and charge separation mechanism on dye modified KTa(Zr)O₃

Ishihara, T., Hagiwara, H. & Ida, S., 2012, International Conference on Fundamental and Applied Sciences 2012, ICFAS 2012. p. 515-518 4 p. (AIP Conference Proceedings; vol. 1482).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Scopus citations

Photoelectrochemical hydrogen production from water using p-type and n-type oxide semiconductor electrodes

Ida, S., Yamada, K., Matsuka, M., Hagiwara, H. & Ishihara, T., 2012/11/01, In: Electrochimica Acta. 82, p. 397-401 5 p.

Research output: Contribution to journal › Article › peer-review

33 Scopus citations

Preparation of tantalum-based oxynitride nanosheets by exfoliation of a layered oxynitride, CsCa ₂Ta ₃O _10-xN _y, and their photocatalytic activity

Ida, S., Okamoto, Y., Matsuka, M., Hagiwara, H. & Ishihara, T., 2012/09/26, In: Journal of the American Chemical Society. 134, 38, p. 15773-15782 10 p.

Research output: Contribution to journal › Article › peer-review

145 Scopus citations

2011

Long-time charge separation in porphyrin/KTa(Zr)O ₃ as water splitting photocatalyst

Hagiwara, H., Inoue, T., Ida, S. & Ishihara, T., 2011/10/28, In: Physical Chemistry Chemical Physics. 13, 40, p. 18031-18037 7 p.

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Mesoporous β-MnO₂ air electrode modified with pd for rechargeability in lithium-air battery

Thapa, A. K., Hidaka, Y., Hagiwara, H., Ida, S. & Ishihara, T., 2011, In: Journal of the Electrochemical Society. 158, 12, p. A1483-A1489

Research output: Contribution to journal › Article › peer-review

93 Scopus citations

Modification effect of organic dyes on photocatalytic water splitting activity of KTa(Zr)O₃

Nagatomo, M., Hagiwara, H., Ida, S. & Ishihara, T., 2011/10, In: Electrochemistry. 79, 10, p. 779-782 4 p.

Research output: Contribution to journal › Article › peer-review

Open Access

10 Scopus citations

Photoelectrochemical hydrogen production from water using p-type CaFe ₂O₄and n-type ZnO

Ida, S., Yamada, K., Matsunaga, T., Hagiwara, H., Ishihara, T., Taniguchi, T., Koinuma, M. & Matsumoto, Y., 2011/10, In: Electrochemistry. 79, 10, p. 797-800 4 p.

Research output: Contribution to journal › Article › peer-review

Open Access

16 Scopus citations

Synthesis and photocatalytic activity of rhodium-doped calcium niobate nanosheets for hydrogen production from a water/methanol system without cocatalyst loading

Okamoto, Y., Ida, S., Hyodo, J., Hagiwara, H. & Ishihara, T., 2011/11/16, In: Journal of the American Chemical Society. 133, 45, p. 18034-18037 4 p.

Research output: Contribution to journal › Article › peer-review

201 Scopus citations

2010

Dye mixing effects on photocatalytic water splitting activity on dye-modified KTaO₃ catalyst

Hagiwara, H., Matsumoto, H. & Ishihara, T., 2010/05, In: Journal of Solar Energy Engineering, Transactions of the ASME. 132, 2, p. 212011-212015 5 p.

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Effects of nitrogen doping on photocatalytic water-splitting activity of Pt/KTa_0.92Zr_0.08O₃ perovskite oxide catalyst

Hagiwara, H., Kumagae, K. & Ishihara, T., 2010, In: Chemistry Letters. 39, 5, p. 498-499 2 p.

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Hidehisa Hagiwara

Research output

Search results