研究業績
論文及び出版物 | |
[英文][主要論文] 2011-/ 2001-2010/ 1990-2000 |
[和文] 2001-/ 1991-2000 |
国際会議招待講演 (Prof. A. Nakajima) | メンバー顕彰 |
2011-/ 2001-2010/ 1995-2000 | 2001- |
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Photoemission Spectroscopy and Microscopy for Ta@Si16 Superatom and their Assembled-LayersNanoscale, accepted for publication. [DOI]
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Geometric and Electronic Properties of P-atom Doped Al Clusters: Alkaline-Like Superatom of P@Al12J. Phys. Chem. A, 128, 32, 6648 (2024). [DOI]
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Localized Surface Plasmon Resonances of Size-Selected Large Silver Nanoclusters (n = 70~100) Soft-Landed on a C60 Organic SubstratePhys. Chem. Chem. Phys., 26, 16597 (2024). [DOI]
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Extended X-ray Absorption Fine Structure (EXAFS) Measurements on Alkali Metal Superatoms of Ta-Atom-Encapsulated Si16 CageJ. Phys. Chem. Lett, 15, 20, 5376 (2024). [DOI]
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Imaging of Ultrafast Photoexcited Electron Dynamics in Pentacene Nanocrystals on Graphite SubstrateNanoscale, 16, 12397 (2024). [DOI]
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Alkaline Earth Metal Superatom of W@Si16: Characterization of Group 6 Metal Encapsulating Si16 Cage on Organic Substrates
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Oxidative Activation of Small Aluminum Nanoclusters with Boron Atom Substitution prior to Completing the Endhedral B@Al12- Superatom
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Bridging the gas and condensed phases for metal-atom encapsulating silicon- and germanium-cage superatoms: electrical properties of assembled superatomsPhys Chem Chem Phys, 25, 9738 (2023). [DOI]
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Two-Photon Photoemission Spectroscopy and Microscopy for Electronic and Plasmonic Characterizations of Molecularly Designed Organic SurfacesJ Phys Chem Lett, 14, 3285 (2023). [DOI]
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Superatom Generation and Deposition of Alkali-like Ta@Si16 and Halogen-like Al13 via Atomic AggregationJ Electrochem Soc, 169, 102511 (2022). [DOI]
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Spectroscopic imaging of photoexcited states at a polycrystalline copper metal surface via two-photon photoelectron emission microscopyChemical Physics Letters, 804, 139909 (2022). [DOI]
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Molucularly Desingned Cluster-Surface Interaction for Halogen-like and Alkali-like Metal-Encapsulating Silicon Cage Superatoms on n- and p-Type Organic SubstratesJ. Phys. Chem. C , 126, 10889-10899 (2022). [DOI]
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Al13- and B@Al12- superatoms on a molecularly decorated substrate
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Size-Dependent Oxidative Stability of Silicon Nanoclusters Mixed with a Tantalum-AtomJ. Phys. Chem. C, 126, 4423-4432 (2022). [DOI]
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Enhanced oxygen reduction activity of size-selected platinum subnanocluster catalysts: Ptn (n = 3-9)Catal. Sci. Technol. , 12, 1400-1407 (2022). [DOI]
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Platinum nanocluster catalysts supported on Marimo carbon via scalable dry deposition synthesis
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Electrical Conduction of Superatom Thin Films Composed of Group-V-Metal-Encapsulating Silicon-Cage Nanoclusters
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Confined Hot Electron Relaxation at the Molecular Heterointerface of the Size-Selected Plasmonic Noble Metal Nanocluster and Layered C60ACS Nano, 15, 1199-1209 (2021). [DOI]
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Interfacial Oxidation of Ta-Encapsulating Si16 Cage Superatoms (Ta@Si16) on Strontium Titanate SubstratesJ. Phys. Chem. C, 124, 28108-28115 (2020). [DOI]
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Occupied and Unoccupied Levels of Half-Fluorinated and Perfluorinated Rubrene Thin Films Probed by One- and Two-Photon PhotoemissionJ. Phys. Chem. C, 124, 12409-12416 (2020). [DOI]
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Visualization of surface plasmos propagating at the buried organic-metal interface with silver nanocluster sensitizersACS Nano, 14, 2044-2052 (2020). [DOI]
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Highly dispersive nearly free electron bands at a 2D-assembled C60 monolayerJ. Phys. Chem. C, 124, 734-741 (2020). [DOI]
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Vibrational spectra of thiolate protected gold nanocluster with infrared reflection absorption spectroscopy: Size and temperature dependent ordering behavior of organic-monolayerJ. Phys. Chem. C, 124, 363-371 (2020). [DOI]
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Enhanced oxygen reduction activity of platinum subnanocluster catalysts through charge redistribution
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The stability for binary Al12X nanoclusters (X = Sc and Ti): Superatom or Wade's polyhedronJ. Phys. Condens. Mat., 30, 494004 (2018). [DOI]
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Formation of highly-ordered semiconducting anthracene monolayer rigidly connected to insulating alkanethiolate thin filmJ. Phys. Chem. C, 122 (45), 26080-26087 (2018). [DOI]
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Liquid-phase catalysis by single-size palladium nanoclusters supported on strontium titanate: size-specific catalysts for Suzuki-Miyaura couplingCatal. Sci. Technol., 8, 5827-5834 (2018). [DOI]
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Nitric oxide oxidation of Ta encapsulating Si cage nanocluster superatom (Ta@Si16) deposited on an organic substrate; Si cage collapse indicator
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Oxidative reactivity of alkali-like superatoms of group-5 metal encapsulating Si16 cage nanoclustersCommun. Chem., 1, 50 (2018). [DOI]
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Characterization of floating-gate memory device with thiolate-protected gold and gold-palladium nanoclustersAIP Advances, 8, 065002 (2018). [DOI]
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Synthesis and characterization of metal-encapsulating Si16 cage superatoms
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Size-effect on electrochemical hydrogen evolution reaction by single-size platinum nanocluster catalysts immobilized on strontium titanateTop. Catal., 61 (1), 126-135 (2018). [DOI]
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Energy level alignment of organic molecules with chemically modified alkanethiolate self-assembled monolayersJ. Phys. Chem. C, 121 (49), 27399-27405 (2017). [DOI]
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Anion photoelectron spectroscopy of rubrene: molecular insights into singlet fission energeticsJ. Phys. Chem. C, 121 (38), 20680-20686 (2017). [DOI]
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Development of integrated dry-wet synthesis method for metal encapsulating silicon cage superatoms of M@Si16 (M = Ti and Ta)J. Phys. Chem. C, 121 (37), 20507-20516 (2017). [DOI]
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Geometric and electronic properties of Si-atom doped Al clusters: Robustness of binary superatoms against charging
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Photoexcited electron transfer properties at C60 film on graphite and on Au(111) interfaces studied by two-photon photoemission spectroscopyChem. Lett., 46 (10), 1528-1531 (2017). [DOI]
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Designer ligand field for blue-green luminescence of organoeuropium(II) sandwich complexes with cyclononatetraenyl ligands
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Two-photon photoelectron emission microscopy for surface plasmon polaritons at the Au(111) surface decorated with alkanethiolate self-assembled monolayersPhys. Chem. Chem. Phys., 19 (21), 13455-13461 (2017). [DOI]
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Photoexcited state confinement in two-dimensional crystalline anthracene monolayer at room temperatureACS Nano, 11 (4), 4307-4314 (2017). [DOI]
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Fabrication and characterization of floating memory devices based on thiolate-protected gold nanoclustersJ. Phys. Chem. C, 121 (20), 10638-10644 (2017). [DOI]
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Highly ordered self-assembled monolayers of carboxy- and ester-terminated alkanethiol on Au(111): infrared absorption and hyperthermal-deposition experiments with Cr(benzene)2 ionsJ. Phys. Chem. C, 121, 6736-6747 (2017) [DOI]
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Adiabatic electron affinity of pentacene and perfluoropentacene molecules studied by anion photoelectron spectroscopy: Molecular insights into electronic propertiesJ. Chem. Phys. 145, 244306 (6 pages) (2016). [DOI]
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Imaging and spectromicroscopy of photocarrier electron dynamics in C60 fullerene thin filmsAppl. Phys. Lett., 109, 203111 (2016). [DOI]
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Direct observation of photocarrier electron dynamics in C60 films on graphite by time-resolved two-photon photoemissionSci. Rep., 6, 35853 (2016). [DOI]
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Multiple-decker and ring sandwich formation of manganese-benzene organometallic cluster anions: MnnBzn−(n= 1-5 and 18)Phys. Chem. Chem. Phys., 18 (37), 26049-26056(2016). [DOI]
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Charge transfer complexation of Ta-encapsulating Ta@Si16 superatom with C60J. Phys. Chem. C, 120 (28), 15265-15271 (2016). [DOI]
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Extended Smoluchowski model for the formation of size-selected silver nanoclusters generated via modulated pulsed power magnetron sputteringJ. Phys. Chem. C, 120 (10), 5667-5672 (2016). [DOI]
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Interplay between experiments and calculations for organometallic clusters and caged clustersAIP Conference Proceedings, 1702, 090031-1-090031-6 (2015). [DOI]
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Chemical characterization of an alkali-like superatom consisting of a Ta-encapsulating Si16 cageJ. Am. Chem. Soc., 137 (44), 14015-14018 (2015). (Highlighted as JACS Spotlights) [DOI]
Highlighted as JACS Spotlights -
Excitation and relaxation dynamics of two-dimensional photo-excited electrons on alkanethiolate self-assembled monolayersJ. Phys. Chem. C, 119 (40), pp. 22945-22953 (2015). [DOI]
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Hard x-ray photoelectron spectroscopy using an environmental cell with silicon nitride membrane windowsJ. Appl. Phys., 117 (23), 234902 (6 pages) (2015). [DOI]
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Heterodimerization via the Covalent Bonding of Ta@Si16 Nanoclusters and C60 MoleculesJ. Phys. Chem. C, 119 (20), 10962-10968 (2015). [DOI]
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Investigation of the electronic structures of organolanthanide sandwich complex anions by photoelectron spectroscopy : 4f orbital contribution in the metal-ligand interactionJ. Phys. Chem. A, 118 (17), 3051-3060 (2014). [DOI]
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Electronic States of Titanyl Phthalocyanine Films on Self-Assembled Monolayers/Au(111) Studied by Two-photon Photoemission SpectroscopyJ. Electron. Spectrosc. Relat. Phenom., 195, 272-277 (2014). [DOI]
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Formation and Electronic Structures of Organoeuropium Sandwich NanowiresJ. Phys. Chem. A, 118 (37), 8298-8308 (2014). [DOI]
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Development of Ultrafine Multichannel Microfluidic-Mixer for Synthesis of Bimetallic Nanoclusters : Catalytic Application of Highly Monodisperse AuPd Nanoclusters Stabilized by Poly(N-vinylpyrrolidone)Langmuir, 30 (34), 10539-10547 (2014). [DOI]
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Experimental and Theoretical Studies of the Structural and Electronic Properties of Vanadium-Benzene Sandwich Clusters and their Anions : VnBzn0/−(n=1-5) and VnBzn−10/−(n=2-5)J. Chem. Phys., 141 (21), 214304 (8 pages) (2014). [DOI]
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Formation of a superatom monolayer using gas-phase-synthesized Ta@Si16 nanocluster ions
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Liquid Phase Synthesis of Multiple-Decker Organoeuropium Sandwich Complexes and Their Physical PropertiesJ. Phys. Chem. C, 118 (11), 5896-5907 (2014). [DOI]
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Physical Properties of Mononuclear Organoeuropium Sandwich Complexes Ligated by Cyclooctatetraene and Bis(Trimethylsilyl)CyclooctatetraeneChem. Phys. Lett., 595-596, 144-150 (2014). [DOI]
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Wavelength Dependence of Water Microdroplet Shattering with Dual IR Lasers and Dye SensitizationZ. Phys. Chem., 228 (4-5), 459-470 (2014). [DOI]
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Probing of an Adsorbate-Specific Excited State on an Organic Insulating Surface by Two-Photon Photoemission SpectroscopyJ. Am. Chem. Soc., 136 (5), 1825-1831 (2014). [DOI]
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Formation and Control of Ultrasharp Metal / Molecule Interfaces by Controlled Immobilization of Size-Selected Metal Nanoclusters onto Organic Molecular FilmsAdv. Func. Mater., 24 (9), 1202-1210 (2014). (Front Cover Issue) [DOI]
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Electronic and Optical Properties of Vertex-sharing Homo-and Hetero-Biicosahedral Gold ClustersJ. Phys. Chem. C, 117 (46), 24586-24591 (2013). [DOI]
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Advanced Nanocluster Ion Source Based on High-Power Impulse Magnetron Sputtering and Time-resolved Measurements of Nanocluster FormationJ. Phys. Chem. A, 117 (40), 10211-10217 (2013). [DOI]
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Geometric, Electronic, and Optical Properties of a Boron-doped Aluminum Cluster of B2Al21−Chem. Phys. Lett., 582, 100-104 (2013). [DOI]
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Geometric, Electronic, and Optical Properties of Monomer and Assembly of Endohedral Aluminum Superatomic ClustersJ. Phys. Chem. C, 117 (41), 21551-21557 (2013). [DOI]
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Development of High Flux Ion Source for Size-Selected Nanocluster Ions Based on High Power Impulse Magnetron SputteringChem. Lett., 42 (8), 857-859 (2013). [DOI]
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Imaging and Characterizing Long-range Surface Plasmon Polariton Propagating in Sub-mm Scale by Two-color Two-photon Photoelectron Emission MicroscopyPlasmonics, 8 (3), 1411-1415 (2013). [DOI]
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Excited Electron Dynamics at Ferrocene Terminated Self-Assembled Monolayers on Au(111) : Lengthened lifetime of image potential stateChem. Phys. Lett., 561 / 562 131-136 (2013). [DOI]
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Size and Structure Dependence of Electronic States in Thiolate-Protected Gold Nanoclusters of Au25(SR)18, Au38(SR)24, and Au144(SR)60J. Phys. Chem. C, 117 (7), 3674-3679 (2013). [DOI]
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Study on Electronic Properties of Composite Clusters toward Nano-scale Functional Advanced MaterialsBull. Chem. Soc. Jpn., 86 (4), 414-437 (2013). [DOI]
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Experimental and theoretical studies on electronic properties of vanadium-benzene sandwich cluster anions, VnBzn+1−(n=1-5)J. Chem. Phys., 137 (22), 224305 (9 pages) (2012). [DOI]
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Probing buried organic-organic and metal-organic heterointerfaces by hard x-ray photoelectron spectroscopyAppl. Phys. Lett., 101 (22), 221603 (4 pages) (2012). [DOI]
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Wavelength dependence of IR laser for dual laser shattering of a water microdropletChem. Lett., 41 (11), 1481-1483 (2012). [DOI]
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Molecular scale and wide-energy-range tunneling spectroscopy on self-assembled monolayers of alkanethiol moleculesACS Nano, 6 (10), 8728-8734 (2012). [DOI]
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Dual IR laser shattering of a water microdropletAppl. Phys. A, 109 (1), 31-37 (2012). [DOI]
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Electronic states of alkanethiolate self-assembled monolayers on Au(111) studied by two-photon photoemission spectroscopyJ. Phys. Chem. C, 116 (25), 13623-13628 (2012). [DOI]
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Geometric, electronic, and optical properties of a superatomic hetero-dimer and trimer: Sc@Si16-V@Si16 and Sc@Si16-Ti@Si16-V@Si16J. Phys. Chem. C, 116 (26), 14071-14077 (2012). [DOI]
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Investigation of lanthanide sandwich nanoclusters encapsulated with a cyclo-olefin polymer as a gas barrierAppl. Phys. Express 5, 035202 (3 pages) (2012). [DOI]
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Charge separation at the molecular monolayer surface : observation and control of the dynamicsJ. Phys. Chem. Lett., 3 (8), 981-985 (2012). [DOI]
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Anion photoelectron spectroscopy of germanium and tin clusters containing a transition-or lanthanide-metal atom; MGen−(n = 8-20) and MSnn−(n = 15-17) (M = Sc-V, Y-Nb, and Lu-Ta)Phys. Chem. Chem. Phys. 14 (26), 9403-9410 (2012). [DOI]
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Physical properties of aliphatic monolayer on indium-tin oxide and SnO2(110) relevant to thermal stability of soft-landed Cr(benzene)2J. Phys. Chem. C, 115 (49), 24215-24220 (2011). [DOI]
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Soft-and reactive-landing of Cr(aniline)2 sandwich complexes onto self-assembled monolayers : separation between functional and binding sitesJ. Am. Chem. Soc., 133 (46), 18719-18727 (2011). [DOI]
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Theoretical investigation of a titanium-aniline complex with and without an alkyl chainJ. Phys. Chem. C, 115 (33), 16574-16582 (2011). [DOI]