博士（理学）, 埼玉大学

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, 2026年02月

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, 2024年10月, 査読有り

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, 2022年02月, 査読有り

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, 2021年03月, 査読有り

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, 2020年08月, 査読有り

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年, 査読有り

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年, 査読有り

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, 2018年11月, 査読有り

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年, 査読有り, 通常論文

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, 2017年09月, 査読有り

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年, 査読有り

Mechanochromism in the luminescence of novel cyclometalated platinum(ii) complexes with α-aminocarboxylates
Keiji Ohno; Shohei Yamaguchi; Akira Nagasawa; Takashi Fujihara
Dalton Trans., 2016年, 査読有り

Crystal structure of 4,4′-dimethoxy-2,2′-bipyridine
Yukiko Kusano; Keiji Ohno; Takashi Fujihara
Acta Crystallographica Section E Crystallographic Communications, 2015年07月, 査読有り

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年, 査読有り

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, 2014年10月, 査読有り

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, 2014年08月, 査読有り

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, 2014年03月

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, 2014年02月, 査読有り

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, 2014年01月, 査読有り

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, 2012年08月, 査読有り

2016年04月 - 現在
錯体化学会

2011年11月 - 現在
日本化学会