Ryota Sakamoto

Summary

Affiliation: Tokyo University of Science
Country: Japan

Publications

  1. doi request reprint 5,15-Bis(di-p-anisylamino)-10,20-diphenylporphyrin: distant and intense electronic communication between two amine sites
    Ryota Sakamoto
    Department of Chemistry, Faculty of Science, Tokyo University of Science, 1 3, Kagurazaka, Shinjuku ku, Tokyo, 162 8601, Japan
    Chem Commun (Camb) . 2009
  2. doi request reprint A new special pair model comprising meso-di-p-anisylaminoporphyrin: enhancement of visible-light absorptivities and quantification of electronic communication in mixed-valent cation radical
    Ryota Sakamoto
    Department of Chemistry, Faculty of Science, Tokyo University of Science, 1 3, Kagurazaka, Shinjuku ku, Tokyo, 162 8601, Japan
    Chem Commun (Camb) 46:2028-30. 2010
  3. doi request reprint Bis(dipyrrinato)zinc(II) Complexes: Emission in the Solid State
    Mizuho Tsuchiya
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    Inorg Chem 55:5732-4. 2016
  4. doi request reprint π-Conjugated trinuclear group-9 metalladithiolenes with a triphenylene backbone
    Ryota Sakamoto
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Tokyo 113 0033, Japan
    Inorg Chem 52:7411-6. 2013
  5. doi request reprint Benzo[e]pyrene skeleton dipyrylium dication with a strong donor-acceptor-donor interaction, and its two-electron reduced molecule
    Koya Prabhakara Rao
    Department of Chemistry, School of Science, The University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo, 113 0033, Japan
    Chemistry 17:14010-9. 2011
  6. doi request reprint Dissymmetric Bis(dipyrrinato)zinc(II) Complexes: Rich Variety and Bright Red to Near-Infrared Luminescence with a Large Pseudo-Stokes Shift
    Ryota Sakamoto
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    J Am Chem Soc 138:5666-77. 2016
  7. doi request reprint Heteroleptic [Bis(oxazoline)](dipyrrinato)zinc(II) Complexes: Bright and Circularly Polarized Luminescence from an Originally Achiral Dipyrrinato Ligand
    Julius F Kögel
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo, 113 0033, Japan
    Angew Chem Int Ed Engl 55:1377-81. 2016
  8. pmc A photofunctional bottom-up bis(dipyrrinato)zinc(II) complex nanosheet
    Ryota Sakamoto
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    Nat Commun 6:6713. 2015
  9. doi request reprint Ordered alignment of a one-dimensional π-conjugated nickel bis(dithiolene) complex polymer produced via interfacial reactions
    Ryota Matsuoka
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    Chem Commun (Camb) 50:8137-9. 2014
  10. doi request reprint Asymmetric dinuclear bis(dipyrrinato)zinc(II) complexes: broad absorption and unidirectional quantitative exciton transmission
    Mizuho Tsuchiya
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    Chem Commun (Camb) 50:5881-3. 2014

Collaborators

  • Shoko Kume
  • Takeshi Yamamura
  • Hiroki Oshio
  • Junpei Yuasa
  • Wai Yeung Wong
  • Qian Liu
  • Seiji Miyashita
  • Feng Liu
  • Hiroshi Nishihara
  • Tetsuya Kambe
  • Mizuho Tsuchiya
  • Hiroaki Maeda
  • Tetsuro Kusamoto
  • Shinpei Kusaka
  • Koya Prabhakara Rao
  • Kenji Takada
  • Yoshinori Yamanoi
  • Ryota Matsuoka
  • Mikihiro Hayashi
  • Masaki Shimada
  • Ryojun Toyoda
  • Eiji Nishibori
  • Yasutaka Kitagawa
  • Kuo Hui Wu
  • Ken Hoshiko
  • Yuta Hasegawa
  • Kazuhiro Takahashi
  • Satoru Tsukada
  • Fumiyuki Toshimitsu
  • Julius F Kögel
  • Kunihisa Sugimoto
  • Yohei Hattori
  • Kotaro Tateno
  • Mitsutaka Okumura
  • Mariko Miyachi
  • Michihiro Nishikawa
  • Junya Sendo
  • Masayuki Nihei
  • Takamasa Tsukamoto
  • Toshiki Iwashima
  • Tsuyoshi Kawai
  • Shi Ting Yi
  • Shunsuke Katagiri
  • Naoya Fukui
  • Takao Saito
  • Tigmansu Pal
  • Takashi Otani
  • Shuji Hasegawa
  • Rie Ogawa
  • Kyoko Ishizaka
  • Zhengfei Wang
  • Toru Hirahara
  • Takahiro Shimojima
  • JungEun Kim
  • Kazuo Nakazato
  • Ji Heun Ryu
  • Sono Sasaki
  • Masaki Takata
  • Eunice Jia Han Phua
  • Yusuke Yabusaki
  • Tetsuhiro Kobayashi
  • Tomoji Ozeki
  • Yusuke Shibata
  • Mio Kondo
  • Yoshihiko Nishimori
  • Yuki Yamamoto
  • Kiyotaka Inayoshi

Detail Information

Publications38

  1. doi request reprint 5,15-Bis(di-p-anisylamino)-10,20-diphenylporphyrin: distant and intense electronic communication between two amine sites
    Ryota Sakamoto
    Department of Chemistry, Faculty of Science, Tokyo University of Science, 1 3, Kagurazaka, Shinjuku ku, Tokyo, 162 8601, Japan
    Chem Commun (Camb) . 2009
    ..Distant and intense electronic communication between two amine sites through a porphyrin pi-spacer was quantified with inter-valence charge transfer (IVCT) band analyses...
  2. doi request reprint A new special pair model comprising meso-di-p-anisylaminoporphyrin: enhancement of visible-light absorptivities and quantification of electronic communication in mixed-valent cation radical
    Ryota Sakamoto
    Department of Chemistry, Faculty of Science, Tokyo University of Science, 1 3, Kagurazaka, Shinjuku ku, Tokyo, 162 8601, Japan
    Chem Commun (Camb) 46:2028-30. 2010
    ....
  3. doi request reprint Bis(dipyrrinato)zinc(II) Complexes: Emission in the Solid State
    Mizuho Tsuchiya
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    Inorg Chem 55:5732-4. 2016
    ..The report discusses the effect of their substituents on their crystal structures and spectroscopic properties. Their meso-aryl groups are revealed to play important roles in the spectroscopic properties in the solid state. ..
  4. doi request reprint π-Conjugated trinuclear group-9 metalladithiolenes with a triphenylene backbone
    Ryota Sakamoto
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Tokyo 113 0033, Japan
    Inorg Chem 52:7411-6. 2013
    ..These observations prove that the triphenylene backbone transmits π-conjugation among the three metalladithiolene units. ..
  5. doi request reprint Benzo[e]pyrene skeleton dipyrylium dication with a strong donor-acceptor-donor interaction, and its two-electron reduced molecule
    Koya Prabhakara Rao
    Department of Chemistry, School of Science, The University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo, 113 0033, Japan
    Chemistry 17:14010-9. 2011
    ..The obtained condensed-ring benzo[e]pyrene-type skeleton compounds show physical and chemical properties that are significantly different from those of [1,5-Am(2)Pyl(2)](TFSI)(2), which has a perylene-type skeleton...
  6. doi request reprint Dissymmetric Bis(dipyrrinato)zinc(II) Complexes: Rich Variety and Bright Red to Near-Infrared Luminescence with a Large Pseudo-Stokes Shift
    Ryota Sakamoto
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    J Am Chem Soc 138:5666-77. 2016
    ..Electrochemistry and density functional theory calculations illustrate that frontier orbital ordering in the dissymmetric complexes meets the condition for efficient PL proposed in our theory. ..
  7. doi request reprint Heteroleptic [Bis(oxazoline)](dipyrrinato)zinc(II) Complexes: Bright and Circularly Polarized Luminescence from an Originally Achiral Dipyrrinato Ligand
    Julius F Kögel
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo, 113 0033, Japan
    Angew Chem Int Ed Engl 55:1377-81. 2016
    ..Single-crystal X-ray structure analysis discloses that the chiral bis(oxazoline) ligand undergoes intramolecular π-π stacking with the dipyrrinato ligand, inducing axial chirality in the dipyrrinato moiety...
  8. pmc A photofunctional bottom-up bis(dipyrrinato)zinc(II) complex nanosheet
    Ryota Sakamoto
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    Nat Commun 6:6713. 2015
    ..The nanosheet deposited on a transparent SnO2 electrode functions as a photoanode in a photoelectric conversion system, and is thus the first photofunctional bottom-up nanosheet. ..
  9. doi request reprint Ordered alignment of a one-dimensional π-conjugated nickel bis(dithiolene) complex polymer produced via interfacial reactions
    Ryota Matsuoka
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    Chem Commun (Camb) 50:8137-9. 2014
    ..Its ordered structure was not originally identified due to its amorphicity; however, it was observed to align regularly on a highly oriented pyrolytic graphite substrate using scanning tunnelling microscopy...
  10. doi request reprint Asymmetric dinuclear bis(dipyrrinato)zinc(II) complexes: broad absorption and unidirectional quantitative exciton transmission
    Mizuho Tsuchiya
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    Chem Commun (Camb) 50:5881-3. 2014
    ..The complexes also conveyed excitons across their structure from one end to the other, with spectroscopic studies demonstrating quantitative and fast energy transfer...
  11. doi request reprint Coordination programming of photofunctional molecules
    Ryota Sakamoto
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    Molecules 18:4091-119. 2013
    ..We also demonstrate potentiality of a donor-acceptor-donor type of Pechmann dye in organic electronics...
  12. doi request reprint π-Conjugated bis(terpyridine)metal complex molecular wires
    Ryota Sakamoto
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    Chem Soc Rev 44:7698-714. 2015
    ..A fabrication technique for an ultra-long bis(terpyridine)metal complex wire is also described, along with its properties and functionalities. ..
  13. doi request reprint Bright Solid-State Emission of Disilane-Bridged Donor-Acceptor-Donor and Acceptor-Donor-Acceptor Chromophores
    Masaki Shimada
    Department of Chemistry, School of Science, The University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo, 113 0033, Japan
    Angew Chem Int Ed Engl 55:3022-6. 2016
    ..X-ray diffraction revealed that the crystal structures of 2, 4, and 12 had no intermolecular π-π interactions to suppress the nonradiative transition in the solid state. ..
  14. doi request reprint Heteroleptic bis(dipyrrinato)copper(II) and nickel(II) complexes
    Ryojun Toyoda
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    Dalton Trans 44:15103-6. 2015
    ..Their structures are determined by X-ray diffraction analysis, and their properties are investigated by using cyclic voltammetry, chronocoulometry, and UV/vis absorption spectroscopy...
  15. doi request reprint Electrochromic Bis(terpyridine)metal Complex Nanosheets
    Kenji Takada
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    J Am Chem Soc 137:4681-9. 2015
    ..The combination of Fe(2+) and Co(2+) nanosheets in one device-deposited on each ITO electrode-demonstrated dual-electrochromic behavior. ..
  16. doi request reprint Electron transport dynamics in redox-molecule-terminated branched oligomer wires on Au(111)
    Ryota Sakamoto
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    J Am Chem Soc 137:734-41. 2015
    ....
  17. doi request reprint Ferrocene-dithiolene hybrids: control of strong donor-acceptor electronic communication to reverse the charge transfer direction
    Tetsuro Kusamoto
    Department of Chemistry, School of Science, The University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    Inorg Chem 51:12102-13. 2012
    ..These results suggest that FcS4dt-based metalladithiolenes can exhibit controllable electronic structures expressed as double-minimum potential energy curves. ..
  18. doi request reprint A bis(terpyridine)iron network polymer on carbon for a potential energy storage material
    Kuo Hui Wu
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    Dalton Trans 42:15877-80. 2013
    ..The modified electrode allowed high-speed charging and discharging with a minor capacity decay (only 5% after 3000 cycles at 1 V s(-1)). ..
  19. doi request reprint A new method to generate arene-terminated Si(111) and Ge(111) surfaces via a palladium-catalyzed arylation reaction
    Yoshinori Yamanoi
    Department of Chemistry, School of Science, The University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    J Am Chem Soc 134:20433-9. 2012
    ..Especially, the AFM analysis of 17 nm-long metal complex molecular wires confirmed their vertical connection to the plane surface...
  20. ncbi request reprint Platinadithiolene-conjugated pyrylium salt with strong intramolecular donor-acceptor interaction
    Koya Prabhakara Rao
    Department of Chemistry, School of Science, The University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    Chem Commun (Camb) 47:2330-2. 2011
    ....
  21. doi request reprint Redox Control and High Conductivity of Nickel Bis(dithiolene) Complex π-Nanosheet: A Potential Organic Two-Dimensional Topological Insulator
    Tetsuya Kambe
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    J Am Chem Soc 136:14357-60. 2014
    ..Liu, F. et al. Nano Lett. 2013, 13, 2842). ..
  22. doi request reprint Bis[(E)-2,6-bis(1H-pyrazol-1-yl)-4-styrylpyridine]iron(II) complex: relationship between thermal spin crossover and crystal solvent
    Yuta Hasegawa
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    Inorg Chem 52:1658-65. 2013
    ..These intermolecular interactions would induce cooperative effects, which leads to the good thermal SCO phenomenon of [Fe(E-dpsp)(2)](BF(4))(2)·acetone...
  23. doi request reprint Fluorescent azadipyrrinato zinc(II) complex: hybridisation with a dipyrrinato ligand
    Ryota Sakamoto
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    Dalton Trans 41:14035-7. 2012
    ..Homoleptic bis(azadipyrrinato)zinc(II) complex 1-Zn-1 was non-fluorescent, whereas 1-Zn-2 exhibited detectable fluorescence from azadipyrrinato ligand 1...
  24. ncbi request reprint Solid-state ligand-driven light-induced spin change at ambient temperatures in bis(dipyrazolylstyrylpyridine)iron(II) complexes
    Kazuhiro Takahashi
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo, 113 0033 Japan
    Inorg Chem 51:5188-98. 2012
    ..In contrast, Z-NO(2)·acetone was liberated from such intermolecular π-π stacking and coordination distortion, resulting in the stabilization of the LS state...
  25. ncbi request reprint Ir(3)Co(6) and Co(3)Fe(3) Dithiolene Cluster Complexes: Multiple Metal-Metal Bond Formation and Correlation between Structure and Internuclear Electronic Communication
    Satoru Tsukada
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    Inorg Chem 51:1228-30. 2012
    ..5 retains a planar framework and intense π conjugation across the three iridadithiolenes and the phenylene bridge, which results in intense electronic communication among the three Co(2)(CO)(5) units in reduced mixed-valent states...
  26. doi request reprint Coordination Programming of Two-Dimensional Metal Complex Frameworks
    Hiroaki Maeda
    Department of Chemistry, School of Science, The University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    Langmuir 32:2527-38. 2016
    ..Future prospects for applying CONASHs to novel applications are also discussed. ..
  27. doi request reprint Rapid Electron Transport Phenomenon in the Bis(terpyridine) Metal Complex Wire: Marcus Theory and Electrochemical Impedance Spectroscopy Study
    Hiroaki Maeda
    Department of Chemistry, School of Science, The University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    J Phys Chem Lett 6:3821-6. 2015
    ..The electron transfer rate constants estimated by EIS agree with the PSCA results. ..
  28. ncbi request reprint Luminescent heteroleptic tris(dipyrrinato)indium(III) complexes
    Shinpei Kusaka
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo, Japan
    Inorg Chem 53:3275-7. 2014
    ..They possess frontier orbitals linked to suppression of the nonemissive charge-separated states; one shows a high fluorescence quantum yield (0.41) in toluene, which exceeds that of the corresponding BF2 complex. ..
  29. doi request reprint Orthogonal bis(terpyridine)-Fe(II) metal complex oligomer wires on a tripodal scaffold: rapid electron transport
    Ryota Sakamoto
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1, Hongo, Tokyo 113 0033, Japan
    Chem Commun (Camb) 49:7108-10. 2013
    ....
  30. doi request reprint π-Conjugated nickel bis(dithiolene) complex nanosheet
    Tetsuya Kambe
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1 Hongo, Tokyo 113 0033, Japan
    J Am Chem Soc 135:2462-5. 2013
    ..Atomic force microscopy and scanning tunneling microscopy confirmed that the π-conjugated nanosheet was single-layered. Modulation of the oxidation state of the nanosheet was possible using chemical redox reactions...
  31. doi request reprint Multinuclear metalladithiolenes: focusing on electronic communication in mixed-valent states
    Ryota Sakamoto
    Department of Chemistry, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo ku, Tokyo, Japan
    Dalton Trans 41:10123-35. 2012
    ..Each chapter describes the synthesis, structural features, and electrochemical properties of the relevant compounds...
  32. ncbi request reprint Extremely efficient and reversible visible-light photochromism and accompanying switch of electronic communication in N-phenylcarbazole-appended diethynylethene
    Mikihiro Hayashi
    Department of Chemistry, Graduate School of Science, The University of Tokyo, Hongo, Tokyo 113 0033, Japan
    Chemistry 18:8610-3. 2012
  33. ncbi request reprint Double lactonization in triarylamine-conjugated dimethyl diethynylfumarate: formation of intensely colored and luminescent quadrupolar molecules including a missing structural isomer of Pechmann dyes
    Mikihiro Hayashi
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    J Am Chem Soc 133:14518-21. 2011
    ..They are intensely colored and brightly luminescent. An organic field-effect transistor device fabricated with P(66)-1 functions as a p-type semiconductor...
  34. ncbi request reprint Bottom-up fabrication of redox-active metal complex oligomer wires on an H-terminated Si(111) surface
    Hiroaki Maeda
    Department of Chemistry, School of Science, The University of Tokyo, 7 3 1 Hongo, Tokyo 113 0033, Japan
    Chem Commun (Camb) 47:8644-6. 2011
    ....
  35. ncbi request reprint Acid-responsive fluorescent compounds based on nitro-group-substituted L-shaped pentacycles, pyrrolo[1,2-a][1,8]naphthylidines
    Kotaro Tateno
    Department of Chemistry, Faculty of Science, Tokyo University of Science, 1 3 Kagurazaka, Shinjuku ku, Tokyo 162 8601, Japan
    Org Lett 16:3212-5. 2014
    ..Acid titration experiments and NMR spectroscopy, plus DFT calculations, show that formation of a pyridinium cation species is responsible for the appearance of fluorescence. ..
  36. ncbi request reprint An extremely bright heteroleptic bis(dipyrrinato)zinc(II) complex
    Shinpei Kusaka
    Department of Chemistry, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    Chem Asian J 7:907-10. 2012
  37. ncbi request reprint Expanding family of π-conjugated trinuclear dithiolenes: the cases of group 8 (Ru(II)) and 10 (Ni(II) and Pt(II)) metals
    Tetsuya Kambe
    Department of Chemistry, Graduate School of Science, The University of Tokyo, 7 3 1 Hongo, Tokyo, 113 0033 Japan
    Inorg Chem 50:6856-8. 2011
    ....
  38. doi request reprint Double protonation of 1,5-bis(triarylaminoethynyl)anthraquinone to form a paramagnetic pentacyclic dipyrylium salt
    Koya Prabhakara Rao
    Department of Chemistry, School of Science, The University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 0033, Japan
    J Am Chem Soc 132:12472-9. 2010
    ..In particular, the dication [1,5-Am(2)Pyl(2)](2+) shows paramagnetic behavior with two spins centered on two triarylamine moieties through valence tautomerization with the pentacyclic backbone...