Browsing by Author Ohkubo, Kei

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Issue DateTitleAuthor(s)Citation
2008Androgynous Porphyrins. Silver(II) Quinoxalinoporphyrins Act as Both Good Electron Donors and AcceptorsCrossley, Maxwell; Khoury, Tony; Sintic, Maxine; Sintic, Paul; E, Wenbo; Fukuzumi, Shunichi; Kadish, Karl M; Ohkubo, Kei; Ou, Zhongping; Zhu, Weihua; Chemistry; Chemistry; Chemistry; ChemistryAndrogynous Porphyrins. Silver(II) Quinoxalinoporphyrins Act as Both Good Electron Donors and Acceptors, Journal of the American Chemical Society, vol.130,(29),2008,pp 9451-9458
2009Change in the site of electron-transfer reduction of a zinc-quinoxalinoporphyrin/gold-quinoxalinoporphyrin dyad by binding of scandium ions and the resulting remarkable elongation of the charge-shifted-stated lifetimeCrossley, Maxwell; Khoury, Tony; Sintic, Paul; Fukuzumi, Shunichi; Garcia, Rachel; Kadish, Karl M; Ohkubo, Kei; Chemistry; Chemistry; ChemistryChange in the site of electron-transfer reduction of a zinc-quinoxalinoporphyrin/gold-quinoxalinoporphyrin dyad by binding of scandium ions and the resulting remarkable elongation of the charge-shifted-stated lifetime, Chemistry: A European Journal, vol.15, 40, 2009,pp 10493-10503
2008Control of the orbital delocalization and implications for molecular rectification in the radical anions of porphyrins with coplanar 90 degrees and 180 degrees beta,beta'-fused extensionsCrossley, Maxwell; Govenlock, Linda; Khoury, Tony; Reimers, Jeffrey; Sintic, Paul; E, Wenbo; Fukuzumi, Shunichi; Kadish, Karl M; Ohkubo, Kei; Ou, Zhongping; Shao, Jianguo; Chemistry; Chemistry; Chemistry; Chemistry; ChemistryControl of the orbital delocalization and implications for molecular rectification in the radical anions of porphyrins with coplanar 90 degrees and 180 degrees beta,beta'-fused extensions, The Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory, vol.112,(3),2008,pp 556-570
2011An efficient fluorescence Sensor for Superoxide with an Acridinium Ion-Linked Porphyrin TriadCrossley, Maxwell; Fukuzumi, Shunichi; Kotani, Hiroaki; Ohkubo, Kei; ChemistryAn efficient fluorescence Sensor for Superoxide with an Acridinium Ion-Linked Porphyrin Triad, Journal of the American Chemical Society, vol.133, 29, 2011,pp 11092-11095
2002Evidence that gold(III) porphyrins are not electrochemically inert: facile generation of gold(II) 5,10,15,20-tetrakis(3,5-di-tert-butylphenyl)porphyrinCrossley, Maxwell; Sintic, Paul; E, Wenbo; Fukuzumi, Shunichi; Kadish, Karl M; Ohkubo, Kei; Ou, Zhongping; Shao, Jianguo; Chemistry; ChemistryEvidence that gold(III) porphyrins are not electrochemically inert: facile generation of gold(II) 5,10,15,20-tetrakis(3,5-di-tert-butylphenyl)porphyrin, Chemical Communications, vol.DOI: 10.1039/b109795d,(N/A),2002,pp 356-357
2003Long-lived charge-separated state produced by photoinduced electron transfer in a zinc imidazoporphyrin-C60 dyadBlake, Iain; Crossley, Maxwell; Kashiwagi, Yukiyasu; McDonald, James; Araki, Yasuyuki; Fukuzumi, Shunichi; Imahori, Hiroshi; Ito, Osamu; Ohkubo, Kei; Chemistry; Chemistry; Chemistry; ChemistryLong-lived charge-separated state produced by photoinduced electron transfer in a zinc imidazoporphyrin-C60 dyad, Organic Letters, vol.5,(15),2003,pp 2719-2721
2012Long-lived long-distance photochemically induced spin-polarized charge separation in beta,beta'-pyrrolic fused ferrocene-porphyrin-fullerene systemsCai, Zhengli; Crossley, Maxwell; Larsen, Allan; Lee, Sai Ho; Reimers, Jeffrey; Fukuzumi, Shunichi; Ohkubo, Kei; Chemistry; Chemistry; Chemistry; Chemistry; ChemistryLong-lived long-distance photochemically induced spin-polarized charge separation in beta,beta'-pyrrolic fused ferrocene-porphyrin-fullerene systems, Chemical Science, vol.3, 1, 2012,pp 257-269
2003Metal-centered photoinduced electron transfer reduction of a gold(III) porphyrin cation linked with a zinc porphyrin to produce a long-lived charge-separated state in nonpolar solventsCrossley, Maxwell; Sintic, Paul; E, Wenbo; Fukuzumi, Shunichi; Ghiggino, Kenneth P; Hutchison, James A; Kadish, Karl M; Ohkubo, Kei; Ou, Zhongping; Shao, Jianguo; Chemistry; ChemistryMetal-centered photoinduced electron transfer reduction of a gold(III) porphyrin cation linked with a zinc porphyrin to produce a long-lived charge-separated state in nonpolar solvents, Journal of the American Chemical Society, vol.125,(49),2003,pp 14984-14985
2011Multiple photosynthetic reaction centers composed of supramolecular assemblies of a zinc porphyrin dendrimer with pyridylnaphthalenediimideCrossley, Maxwell; Khoury, Tony; Fukuzumi, Shunichi; Kashiwagi, Yukiyasu; Ohkubo, Kei; Saito, Kenji; Chemistry; ChemistryMultiple photosynthetic reaction centers composed of supramolecular assemblies of a zinc porphyrin dendrimer with pyridylnaphthalenediimide, Journal of Porphyrins and Phthalocyanines, vol.15, 11-12, 2011,pp 1292-1298
2011Multiple photosynthetic reaction centres composed of supramolecular assemblies of zinc porphyrin dendrimers with a fullerene acceptorAbsalom, Mark; Crossley, Maxwell; Khoury, Tony; Araki, Yasuyuki; D'Souza, Francis; Fukuzumi, Shunichi; Gadde, Suresh; Ito, Osamu; Kashiwagi, Y; Ohkubo, Kei; Saito, Kenji; Chemistry; Chemistry; ChemistryMultiple photosynthetic reaction centres composed of supramolecular assemblies of zinc porphyrin dendrimers with a fullerene acceptor, Chemical Communications, vol.47, 28, 2011,pp 7980-7982
2007Photoinduced electron transfer in a beta,beta'-pyrrolic fused ferrocene-(zinc prophyrin)-fullereneCrossley, Maxwell; Curiel, David; Reimers, Jeffrey; Fukuzumi, Shunichi; Ohkubo, Kei; Chemistry; Chemistry; ChemistryPhotoinduced electron transfer in a beta,beta'-pyrrolic fused ferrocene-(zinc prophyrin)-fullerene, Physical Chemistry Chemical Physics, vol.9,(38),2007,pp 5260-5266
2006Photoinduced electron-transfer dynamics and long-lived CS states of donor-acceptor linked dyads and a triad containing a gold porphyrin in nonpolar solventsCrossley, Maxwell; Sintic, Paul; E, Wenbo; Fukuzumi, Shunichi; Kadish, Karl M; Lemmetyinen, Helge; Ohkubo, Kei; Ou, Zhongping; Shao, Jianguo; Tkachenko, Nikolai V; Chemistry; ChemistryPhotoinduced electron-transfer dynamics and long-lived CS states of donor-acceptor linked dyads and a triad containing a gold porphyrin in nonpolar solvents, Chemical Physics, vol.326,(1),2006,pp 3-14
2007Porphyrin-diones and porphyrin-tetraones: Reversible redox units being localized within the porphyrin macrocycle and their effect on tautomerismCrossley, Maxwell; Govenlock, Linda; Khoury, Tony; Prashar, Jognandan; Sintic, Paul; E, Wenbo; Fukuzumi, Shunichi; Kadish, Karl M; Ohkubo, Kei; Zhan, Riqiang; Chemistry; Chemistry; Chemistry; Chemistry; ChemistryPorphyrin-diones and porphyrin-tetraones: Reversible redox units being localized within the porphyrin macrocycle and their effect on tautomerism, Journal of the American Chemical Society, vol.129,(20),2007,pp 6576-6588
2007Quinoxalino[2,3-b']porphyrins behave as pi-expanded porphyrins upon one-electron reduction: Broad control of the degree of delocalization through substitution at the macrocycle peripheryCai, Zhengli; Crossley, Maxwell; Govenlock, Linda; McDonald, James; Reimers, Jeffrey; Sintic, Paul; Try, Andrew; Fukuzumi, Shunichi; Kadish, Karl M; Ohkubo, Kei; Ou, Zhongping; Shao, Jianguo; Wenbo, E; Chemistry; Chemistry; Chemistry; Chemistry; Chemistry; Chemistry; Science Faculty AdminQuinoxalino[2,3-b']porphyrins behave as pi-expanded porphyrins upon one-electron reduction: Broad control of the degree of delocalization through substitution at the macrocycle periphery, The Journal of Physical Chemistry Part B: Condensed Matter, Materials, Surfaces, Interfaces & Biophysical, vol.111,(30),2007,pp 8762-8774
2016Synthetically tuneable biomimetic artificial photosynthetic reaction centres that closely resemble the natural system in purple bacteriaBlake, Iain; Crossley, Maxwell; Larsen, Allan; Lee, Jimmy Sai Ho; McDonald, James; Reimers, Jeffrey; Fukuzumi, Shunichi; Ohkubo, Kei; Chemistry; Chemistry; Chemistry; Chemistry; Chemistry; ChemistrySynthetically tuneable biomimetic artificial photosynthetic reaction centres that closely resemble the natural system in purple bacteria, Chemical Science, vol.7, 10, 2016,pp 6534-6550
2004π-Complex formation in electron-transfer reactions of porphyrinsCrossley, Maxwell; Fukuzumi, Shunichi; Hasobe, T; Imahori, Hiroshi; Kamat, Prashant V.; Ohkubo, Kei; Chemistryπ-Complex formation in electron-transfer reactions of porphyrins, Journal of Porphyrins and Phthalocyanines, vol.8,(N/A),2004,pp 191-200