ono keiji

College of Science and Technology Department of Materials and Applied ChemistryResearch Assistant

Researcher Information

Degree

  • Doctor of Science, Saitama University
Research activity information

Paper

  • Development of Biological-Window-Active Au Open-Shell Nanoparticles with High-Sensitivity Surface-Enhanced Raman Scattering Imaging Probe Properties
    Kosuke Sugawa; Yuka Hori; Azusa Onozato; Hikaru Naitoh; Arisa Suzuki; Tamaki Amemiya; Hironobu Tahara; Tsuyoshi Kimura; Yasuhiro Kosuge; Keiji Ohno; Takeshi Hashimoto; Takashi Hayashita; Joe Otsuki
    Nanomaterials, Feb. 2026
  • Deprotonation-induced changes in π-electron systems of iridium(III) and rhodium(III) complexes with azophenine
    Keiji Ohno; Yuka Inagaki; Masamichi Yamashita; Akira Nagasawa; Takashi Fujihara
    Polyhedron, Oct. 2024, Refereed
  • Cyclometalated Platinum(II) Complexes in a Cis-N,N Configuration: Photophysical Properties and Isomerization to Trans Isomers
    Keiji Ohno; Kazuki Shiraishi; Tomoaki Sugaya; Akira Nagasawa; Takashi Fujihara
    Inorganic Chemistry, Feb. 2022, Refereed
  • Substituent effect on emission of flavonolate-boron difluoride complexes: The role of π-system for dual-state (solution and solid) emission
    Keiji Ohno; Fuka Narita; Hidehisa Yokobori; Nanami Iiduka; Tomoaki Sugaya; Akira Nagasawa; Takashi Fujihara
    Dyes and Pigments, Mar. 2021, Refereed
  • o-Azophenylboronic Acid-Based Colorimetric Sensors for d-Fructose: o-Azophenylboronic Acids with Inserted Protic Solvent Are the Key Species for a Large Color Change
    Yota Suzuki; Ayumi Ikeda; Keiji Ohno; Takashi Fujihara; Tomoaki Sugaya; Koji Ishihara
    The Journal of Organic Chemistry, Aug. 2020, Refereed
  • Luminescence of mononuclear Pt(ii) complexes with glycolate: external stimuli-induced excimer emission changes to oligomer emissions
    Keiji Ohno; Masaya Komuro; Tomoaki Sugaya; Akira Nagasawa; Takashi Fujihara
    Dalton Transactions, 2020, Refereed
  • A water-soluble cyclometalated iridium(iii) complex for pH sensing based on aggregation-induced enhanced phosphorescence
    Keiji Ohno; Tetuya Sakata; Machi Shiiba; Akira Nagasawa; Takashi Fujihara
    Dalton Transactions, 2019, Refereed
  • Chromism of Tartrate-Bridged Clamshell-like Platinum(II) Complex: Intramolecular Pt–Pt Interaction-Induced Luminescence Vapochromism and Intermolecular Interactions-Triggered Thermochromism
    Keiji Ohno; Yukiko Kusano; Sumio Kaizaki; Akira Nagasawa; Takashi Fujihara
    Inorganic Chemistry, Nov. 2018, Refereed
  • Syn and anti conformers of diammonium aquabis(malonato)oxidovanadate(IV) in an anhydrate crystal
    Keiji Ohno; Takumi Yoshida; Akira Nagasawa; Takashi Fujihara
    Acta Crystallographica Section E: Crystallographic Communications, 2018, Refereed, Not invited
  • Change in Luminescence Induced by Solution-Mediated Phase-Transition of Cyclometalated Platinum(II) Complex with Isoquinoline Carboxylate
    Keiji Ohno; Mami Hasebe; Akira Nagasawa; Takashi Fujihara
    Inorganic Chemistry, Sep. 2017, Refereed
  • Luminescence of tartrate bridged dinuclear 2,2′-bipyridine platinum(ii) complexes: emission color controlled by intra- and inter-molecular interactions in the solid state
    Keiji Ohno; Honami Tanuma; Yukiko Kusano; Sumio Kaizaki; Akira Nagasawa; Takashi Fujihara
    Dalton Transactions, 2017, Refereed
  • Mechanochromism in the luminescence of novel cyclometalated platinum(ii) complexes with α-aminocarboxylates
    Keiji Ohno; Shohei Yamaguchi; Akira Nagasawa; Takashi Fujihara
    Dalton Trans., 2016, Refereed
  • Crystal structure of 4,4′-dimethoxy-2,2′-bipyridine
    Yukiko Kusano; Keiji Ohno; Takashi Fujihara
    Acta Crystallographica Section E Crystallographic Communications, Jul. 2015, Refereed
  • Dinuclear nickel(ii) complexes with 2,5-diamino-1,4-benzoquinonediimine ligands as precatalysts for the polymerization of styrene: electronic and steric substituent effects
    Keiji Ohno; Akira Nagasawa; Takashi Fujihara
    Dalton Trans., 2015, Refereed
  • Formation of boron, nickel(II) and iridium(III) complexes with an azophenine derivative: Isomerization, delocalization and extension of the π-conjugated system on coordination
    Keiji Ohno; Takashi Fujihara; Akira Nagasawa
    Polyhedron, Oct. 2014, Refereed
  • Lattice Water-Induced Helical Stacking of Tartrate-Bridged Dinuclear Palladium(II) Complexes: The Role of Hydrogen Bonding
    Keiji Ohno; Tomoaki Sugaya; Masaru Kato; Noriko Matsumoto; Ryoko Fukano; Yasuyo Ogino; Sumio Kaizaki; Takashi Fujihara; Akira Nagasawa
    Crystal Growth & Design, Aug. 2014, Refereed
  • An orthorhombic polymorph ofN1,N4-diphenyl-3,6-bis(phenylimino)cyclohexa-1,4-diene-1,4-diamine
    Keiji Ohno; Takashi Fujihara; Akira Nagasawa
    Acta Crystallographica Section E Structure Reports Online, Mar. 2014
  • N1,N4-Diphenyl-3,6-bis(phenylimino)cyclohexa-1,4-diene-1,4-diamine
    Keiji Ohno; Haruki Maruyama; Takashi Fujihara; Akira Nagasawa
    Acta Crystallographica Section E Structure Reports Online, Feb. 2014, Refereed
  • Construction of an M3L2A6Cage with Small Windows from a Flexible Tripodal Ligand and Cu(hfac)3
    Mari Ikeda; Keiji Ohno; Yuki Kasumi; Shunsuke Kuwahara; Yoichi Habata
    Inorganic Chemistry, Jan. 2014, Refereed
  • 2-{[2,2-Bis(diethylamino)ethan-2-yliumthioyl]sulfanyl}-1,1-bis(diethylamino)ethylium bis(perchlorate)
    Keiji Ohno; Tomoaki Sugaya; Takashi Fujihara; Akira Nagasawa
    Acta Crystallographica Section E Structure Reports Online, Aug. 2012, Refereed

Affiliated academic society

  • Apr. 2016 - Present
    錯体化学会
  • Nov. 2011 - Present
    日本化学会