Search Results - "HAYASHI, Hironobu"
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On-surface light-induced generation of higher acenes and elucidation of their open-shell character
Published in Nature communications (20-02-2019)“…Acenes are an important class of polycyclic aromatic hydrocarbons which have recently gained exceptional attention due to their potential as functional organic…”
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2
On-surface synthesis and characterization of nitrogen-substituted undecacenes
Published in Nature communications (26-01-2022)“…Heteroatom substitution in acenes allows tailoring of their remarkable electronic properties, expected to include spin-polarization and magnetism for larger…”
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3
Synthesis and Morphological Control of Organic Semiconducting Materials Using the Precursor Approach
Published in Bulletin of the Chemical Society of Japan (2020)“…Pristine π-extended aromatic compounds are attractive as organic functional materials including organic semiconductors, but are difficult to synthesize in pure…”
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4
Deep-red circularly polarised luminescent C70 derivatives
Published in Scientific reports (08-06-2021)“…Optically active fullerenes, including C 60 and C 70 derivatives carrying organic substituents, are used in a range of applications because of their unique…”
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5
On‐Surface Synthesis of Triaza[5]triangulene through Cyclodehydrogenation and its Magnetism
Published in Angewandte Chemie International Edition (04-11-2024)“…Triangulenes as neutral radicals are becoming promising candidates for future applications such as spintronics and quantum technologies. To extend the…”
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On-Surface Synthesis of Heptacene Organometallic Complexes
Published in Journal of the American Chemical Society (30-08-2017)“…We report the on-surface formation of Au-directed heptacene organometallic complexes on a Au(111) template in an ultrahigh vacuum environment. Successive…”
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An Atropisomerism Study of Large Cycloarylenes: [n]Cyclo‐4,10‐Pyrenylenes’ Case
Published in Chemistry : a European journal (25-04-2023)“…An atropisomerism of large cycloarylenes was studied using [n]cyclo‐4,10‐pyrenylenes (n=6–21) as an illustrative example with two simple assumptions: (1)…”
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8
Effects of Porphyrin Substituents and Adsorption Conditions on Photovoltaic Properties of Porphyrin-Sensitized TiO2 Cells
Published in Journal of physical chemistry. C (22-10-2009)“…A series of meso-tetraphenylzincporphyrins have been prepared to examine the effects of the porphyrin substituents and adsorption conditions on photovoltaic…”
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Role of Adsorption Structures of Zn-Porphyrin on TiO2 in Dye-Sensitized Solar Cells Studied by Sum Frequency Generation Vibrational Spectroscopy and Ultrafast Spectroscopy
Published in Journal of physical chemistry. C (28-03-2013)“…Several Zn-porphyrin (ZnP) derivatives were designed to build highly efficient dye-sensitized solar cells (DSC). It was found that solar cell efficiencies…”
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10
A practical guide for anesthetic management during intraoperative motor evoked potential monitoring
Published in Journal of anesthesia (01-02-2020)“…Postoperative motor dysfunction can develop after spinal surgery, neurosurgery and aortic surgery, in which there is a risk of injury of motor pathway. In…”
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11
Visible‐Light‐Induced Heptacene Generation under Ambient Conditions: Utilization of Single‐crystal Interior as an Isolated Reaction Site
Published in Chemistry : a European journal (26-11-2020)“…The photo‐induced generation of unstable molecules generally requires stringent conditions to prevent oxidation and the concomitant decomposition of the…”
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12
Intraoperative monitoring of flash visual evoked potential under general anesthesia
Published in Korean journal of anesthesiology (01-04-2017)“…In neurosurgical procedures that may cause visual impairment in the intraoperative period, the monitoring of flash visual evoked potential (VEP) is clinically…”
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13
Structure and Defect Identification at Self-Assembled Islands of CO2 Using Scanning Probe Microscopy
Published in ACS nano (01-10-2024)“…Understanding how carbon dioxide (CO2) behaves and interacts with surfaces is paramount for the development of sensors and materials to attempt CO2 mitigation…”
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14
Small bandgap in atomically precise 17-atom-wide armchair-edged graphene nanoribbons
Published in Communications materials (23-06-2020)“…Bottom-up synthesis of graphene nanoribbons (GNRs) may open new possibilities in future electronic devices owing to their tunable electronic structure, which…”
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15
Experimental and Theoretical Investigations of Surface-Assisted Graphene Nanoribbon Synthesis Featuring Carbon–Fluorine Bond Cleavage
Published in ACS nano (27-06-2017)“…Edge-fluorinated graphene nanoribbons are predicted to exhibit attractive structural and electronic properties, which, however, still need to be demonstrated…”
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16
Exploration of Alkyl Group Effects on the Molecular Packing of 5,15-Disubstituted Tetrabenzoporphyrins toward Efficient Charge-Carrier Transport
Published in ACS applied materials & interfaces (20-07-2022)“…The high design flexibility of organic semiconductors should lead to diverse and complex electronic functions. However, currently available high-performance…”
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17
Buckyball as an Electron Donor in a Dyad of C60 and Xanthene Dye
Published in European journal of organic chemistry (21-06-2021)“…We successfully achieved the synthesis of C60‐xanthlium, X60_NTf2, where fullerene is an electron donor and xanthlium is an electron acceptor. When the…”
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Photoinduced Charge Carrier Dynamics of Zn−Porphyrin−TiO2 Electrodes: The Key Role of Charge Recombination for Solar Cell Performance
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (28-04-2011)“…Time resolved absorption spectroscopy has been used to study photoinduced electron injection and charge recombination in Zn-porphyrin sensitized nanostructured…”
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Complexation study of a 1,3-phenylene-bridged cyclic hexa-naphthalene with fullerenes C60 and C70 in solution and 1D-alignment of fullerenes in the crystals
Published in RSC advances (14-11-2023)“…To investigate the host ability of a simple macrocycle, 1,3-phenylene-bridged naphthalene hexamer N6, we evaluated the complexation of N6 with fullerenes in…”
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Open-circuit-voltage shift of over 0.5 V in organic photovoltaic cells induced by a minor structural difference in alkyl substituents
Published in Chemical science (Cambridge) (13-01-2020)“…The recent surge in the efficiency of organic photovoltaic devices (OPVs) largely hinges on the reduction of energy loss ( E loss ) that leads to improvements…”
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