Zobrazeno 1 - 10 of 34 pro vyhledávání: '"Hitoshi Kuma"'
3
Akademický článek
Crystal structure of catena-poly[[diaquadiimidazolecobalt(II)]-μ2-2,3,5,6-tetrabromobenzene-1,4-dicarboxylato]
Autor: Hitoshi Kumagai, Satoshi Kawata, Nobuhiro Ogihara
Publikováno v: Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 11, Pp 1217-1220 (2024)
The asymmetric unit of the title compound, [Co(C8Br4O4)(C3H4N2)2(H2O)2]n or [Co(Br4bdc)(im)2(H2O)2]n, comprises half of CoII ion, tetrabromobenzenedicarboxylate (Br4bdc2−), imidazole (im) and a water molecule. The CoII ion exhibits a six-coordinate
Externí odkaz: https://doaj.org/article/baa2e7af57e44770b01109016a110daa
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4
Akademický článek
Crystal structures of 1,1′-bis(carboxymethyl)-4,4′-bipyridinium derivatives
Autor: Hitoshi Kumagai, Satoshi Kawata, Nobuhiro Ogihara
Publikováno v: Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 7, Pp 695-698 (2024)
The crystal structures of 2-[1′-(carboxymethyl)-4,4′-bipyridine-1,1′-diium-1-yl]acetate tetrafluoroborate, C14H13N2O4+·BF4− or (Hbcbpy)(BF4), and neutral 1,1′-bis(carboxylatomethyl)-4,4′-bipyridine-1,1′-diium (bcbpy), C14H20N2O8, are r
Externí odkaz: https://doaj.org/article/0870ff4e07f04c3a863aa342c06e4487
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6
van der Waals solid solution crystals for highly efficient in-air photon upconversion under subsolar irradiance
Autor: Megumi Hoshi, Hironaga Oyama, Riku Enomoto, Hideki Agata, Hitoshi Kuma, Shinichi Kurokawa, Yoichi Murakami, Hidehiro Uekusa
Publikováno v: Materials horizons. 8(12)
Triplet-sensitized photon upconversion (UC) has been proposed for broad applications. However, the quest for superior solid materials has been challenged by the poor exciton transport often caused by low crystallinity, a small crystal domain, and agg
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de9f7932bc9332a928950acbdd4cc071
https://pubmed.ncbi.nlm.nih.gov/34751288
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8
Akademický článek
Crystal structure of dilithium biphenyl-4,4′-disulfonate dihydrate
Autor: Hitoshi Kumagai, Satoshi Kawata, Nobuhiro Ogihara
Publikováno v: Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 1, Pp 22-24 (2024)
The asymmetric unit of the title compound, μ-biphenyl-4,4′-disulfonato-bis(aqualithium), [Li2(C12H8O6S2)(H2O)2] or Li2[Bph(SO3)2](H2O)2, consists of an Li ion, half of the diphenyl-4,4′-disulfonate [Bph(SO3−)2] ligand, and a water molecule. Th
Externí odkaz: https://doaj.org/article/b66dd7fa29ee4f52aa1819708bb4962b
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9
Akademický článek
Heterogeneous intercalated metal-organic framework active materials for fast-charging non-aqueous Li-ion capacitors
Autor: Nobuhiro Ogihara, Masaki Hasegawa, Hitoshi Kumagai, Riho Mikita, Naoyuki Nagasako
Publikováno v: Nature Communications, Vol 14, Iss 1, Pp 1-11 (2023)
Ideal anode materials for Li-ion capacitors must demonstrate safety and fast-charging properties. Here, the authors propose intercalated metal-organic frameworks for fast-charging Li-ion capacitors using a combined machine learning design and spray-d
Externí odkaz: https://doaj.org/article/547495276b3b420bb6e234e4aac59e9c
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10
Akademický článek
Noncentrosymmetric Supramolecular Hydrogen-Bonded Assemblies Based on Achiral Pyrazine-Bridged Zinc(II) Coordination Polymers with Pyrazinedione Derivatives
Autor: Ko Yoneda, Ken Kanazashi, Hitoshi Kumagai, Ryuta Ishikawa, Satoshi Kawata
Publikováno v: Chemistry, Vol 5, Iss 1, Pp 179-186 (2023)
Reaction of M(OAc)2·xH2O (M, x = Zn, 2 and Co, 4), 1,4-dihydro-5,6-dicyano-2,3-pyrazinedione (H2CN2pyzdione), and pyrazine (pyz) affords two compounds of the same molecular formula {[M(H2O)6][M(CN2pyzdione)2(pyz)]·6H2O}n (M = Zn for 1 and Co for 2)
Externí odkaz: https://doaj.org/article/95d30ec5fc2c4fc980e31624186d37db
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