Hayato Sakai

2023

Bidipyrrin Au^III Complex as a Helical Charged π-Electronic System

Sengupta, R., Hashimoto, H., Haketa, Y., Sakai, H., Hasobe, T. & Maeda, H., 2023 8月 18, In: Organic Letters. 25, 32, p. 6040-6045 6 p.

研究成果: Article › 査読

Charge-Segregated Stacking Structure with Anisotropic Electric Conductivity in NIR-Absorbing and Emitting Positively Charged π-Electronic Systems

Yamasumi, K., Ueda, K., Haketa, Y., Hattori, Y., Suda, M., Seki, S., Sakai, H., Hasobe, T., Ikemura, R., Imai, Y., Ishibashi, Y., Asahi, T., Nakamura, K. & Maeda, H., 2023 2月 13, In: Angewandte Chemie - International Edition. 62, 8, e202216013.

研究成果: Article › 査読

1 被引用数 (Scopus)

Controlled molecular assemblies of chiral boron dipyrromethene derivatives for circularly polarized luminescence in the red and near-infrared regions

Sakai, H., Suzuki, Y., Tsurui, M., Kitagawa, Y., Nakashima, T., Kawai, T., Kondo, Y., Matsuba, G., Hasegawa, Y. & Hasobe, T., 2023 1月 25, In: Journal of Materials Chemistry C. 11, 8, p. 2889-2896 8 p.

研究成果: Article › 査読

Open Access

Deprotonation-Induced and Ion-Pairing-Modulated Diradical Properties of Partially Conjugated Pyrrole-Quinone Conjunction

Sugiura, S., Kubo, T., Haketa, Y., Hori, Y., Shigeta, Y., Sakai, H., Hasobe, T. & Maeda, H., 2023 4月 12, In: Journal of the American Chemical Society. 145, 14, p. 8122-8129 8 p.

研究成果: Article › 査読

1 被引用数 (Scopus)

Photoinduced Glycosylation Using a Diarylthiophene as an Organo Lewis Photoacid Catalyst

Otani, N., Higashiyama, K., Sakai, H., Hasobe, T., Takahashi, D. & Toshima, K., 2023 5月 22, In: European Journal of Organic Chemistry. 26, 20, e202300287.

研究成果: Article › 査読

Open Access

2 被引用数 (Scopus)

Thermodynamic Control of Intramolecular Singlet Fission and Exciton Transport in Linear Tetracene Oligomers

Nakamura, S., Sakai, H., Fuki, M., Ooie, R., Ishiwari, F., Saeki, A., Tkachenko, N. V., Kobori, Y. & Hasobe, T., 2023 2月 13, In: Angewandte Chemie - International Edition. 62, 8, e202217704.

研究成果: Article › 査読

2 被引用数 (Scopus)

2022

Tetraaryldiborane(4) Can Emit Dual Fluorescence Responding to the Structural Change around the B–B Bond

Shoji, Y., Tanaka, N., Ikabata, Y., Sakai, H., Hasobe, T., Koch, N., Nakai, H. & Fukushima, T., 2022 1月 3, In: Angewandte Chemie - International Edition. 61, 1, e202113549.

研究成果: Article › 査読

7 被引用数 (Scopus)

Ultrafast Singlet Fission and Efficient Carrier Transport in a Lamellar Assembly of Bis[(trialkoxyphenyl)ethynyl]pentacene

Sakai, H., Yoshino, K., Shoji, Y., Kajitani, T., Pu, J., Fukushima, T., Takenobu, T., Tkachenko, N. V. & Hasobe, T., 2022 6月 9, In: Journal of Physical Chemistry C. 126, 22, p. 9396-9406 11 p.

研究成果: Article › 査読

1 被引用数 (Scopus)

2021

An Air- and Water-Stable B₄N₄-Heteropentalene Serving as a Host Material for a Phosphorescent OLED

Kashida, J., Shoji, Y., Ikabata, Y., Taka, H., Sakai, H., Hasobe, T., Nakai, H. & Fukushima, T., 2021 10月 25, In: Angewandte Chemie - International Edition. 60, 44, p. 23812-23818 7 p.

研究成果: Article › 査読

13 被引用数 (Scopus)

Enthalpy-Entropy Compensation Effect for Triplet Pair Dissociation of Intramolecular Singlet Fission in Phenylene Spacer-Bridged Hexacene Dimers

Nakamura, S., Sakai, H., Fuki, M., Kobori, Y., Tkachenko, N. V. & Hasobe, T., 2021 7月 22, In: Journal of Physical Chemistry Letters. 12, 28, p. 6457-6463 7 p.

研究成果: Article › 査読

7 被引用数 (Scopus)

Near-Unity Singlet Fission on a Quantum Dot Initiated by Resonant Energy Transfer

Zhang, J., Sakai, H., Suzuki, K., Hasobe, T., Tkachenko, N. V., Chang, I. Y., Hyeon-Deuk, K., Kaji, H., Teranishi, T. & Sakamoto, M., 2021 10月 27, In: Journal of the American Chemical Society. 143, 42, p. 17388-17394 7 p.

研究成果: Article › 査読

7 被引用数 (Scopus)

Supramolecular Singlet Fission of Pentacene Dimers within Polyaromatic Capsules

Catti, L., Narita, H., Tanaka, Y., Sakai, H., Hasobe, T., Tkachenko, N. V. & Yoshizawa, M., 2021 6月 30, In: Journal of the American Chemical Society. 143, 25, p. 9361-9367 7 p.

研究成果: Article › 査読

16 被引用数 (Scopus)

Synergetic Role of Conformational Flexibility and Electronic Coupling for Quantitative Intramolecular Singlet Fission

Nakamura, S., Sakai, H., Nagashima, H., Fuki, M., Onishi, K., Khan, R., Kobori, Y., Tkachenko, N. V. & Hasobe, T., 2021 8月 26, In: Journal of Physical Chemistry C. 125, 33, p. 18287-18296 10 p.

研究成果: Article › 査読

11 被引用数 (Scopus)

2020

Efficient Near-Infrared Light-Driven Hydrogen Evolution Catalyzed by a Saddle-Distorted Porphyrin as a Photocatalyst

Kotani, H., Miyazaki, T., Aoki, E., Sakai, H., Hasobe, T. & Kojima, T., 2020 4月 27, In: ACS Applied Energy Materials. 3, 4, p. 3193-3197 5 p.

研究成果: Article › 査読

14 被引用数 (Scopus)

Electrochemical Properties and Excited-State Dynamics of Azaperylene Derivatives

Hirono, A., Sakai, H., Kochi, S., Sato, T. & Hasobe, T., 2020 11月 5, In: Journal of Physical Chemistry B. 124, 44, p. 9921-9930 10 p.

研究成果: Article › 査読

8 被引用数 (Scopus)

Excimer formation of aryl iodides chemisorbed on gold nanoparticles for the significant enhancement of photoluminescence

Maity, P., Sasai, K., Dhital, R. N., Sakai, H., Hasobe, T. & Sakurai, H., 2020 2月 20, In: Journal of Physical Chemistry Letters. 11, 4, p. 1199-1203 5 p.

研究成果: Article › 査読

8 被引用数 (Scopus)

Photo-induced glycosylation using a diaryldisulfide as an organo-Lewis photoacid catalyst

Iibuchi, N., Eto, T., Aoyagi, M., Kurinami, R., Sakai, H., Hasobe, T., Takahashi, D. & Toshima, K., 2020, In: Organic and Biomolecular Chemistry. 18, 5, p. 851-855 5 p.

研究成果: Article › 査読

11 被引用数 (Scopus)

Room-Temperature Pentacene Fluids: Oligoethylene Glycol Substituent-Controlled Morphologies and Singlet Fission

Yoshino, K., Sakai, H., Shoji, Y., Kajitani, T., Anetai, H., Akutagawa, T., Fukushima, T., Tkachenko, N. V. & Hasobe, T., 2020 12月 31, In: Journal of Physical Chemistry B. 124, 52, p. 11910-11918 9 p.

研究成果: Article › 査読

2 被引用数 (Scopus)

Systematic Control of Structural and Photophysical Properties of π-Extended Mono- and Bis-BODIPY Derivatives

Ito, H., Sakai, H., Suzuki, Y., Kawamata, J. & Hasobe, T., 2020 1月 2, In: Chemistry - A European Journal. 26, 1, p. 316-325 10 p.

研究成果: Article › 査読

Open Access

24 被引用数 (Scopus)

2019

A Diprotonated Porphyrin as an Electron Mediator in Photoinduced Electron Transfer in Hydrogen-Bonded Supramolecular Assemblies

Suzuki, W., Kotani, H., Ishizuka, T., Kawano, M., Sakai, H., Hasobe, T., Ohkubo, K., Fukuzumi, S. & Kojima, T., 2019 5月 9, In: Journal of Physical Chemistry C. 123, 18, p. 11529-11538 10 p.

研究成果: Article › 査読

8 被引用数 (Scopus)

A Pentacene-based Nanotube Displaying Enriched Electrochemical and Photochemical Activities

Kuroda, K., Yazaki, K., Tanaka, Y., Akita, M., Sakai, H., Hasobe, T., Tkachenko, N. V. & Yoshizawa, M., 2019 1月 21, In: Angewandte Chemie - International Edition. 58, 4, p. 1115-1119 5 p.

研究成果: Article › 査読

24 被引用数 (Scopus)

Controlled Orientations of Neighboring Tetracene Units by Mixed Self-Assembled Monolayers on Gold Nanoclusters for High-Yield and Long-Lived Triplet Excited States through Singlet Fission

Saegusa, T., Sakai, H., Nagashima, H., Kobori, Y., Tkachenko, N. V. & Hasobe, T., 2019 9月 18, In: Journal of the American Chemical Society. 141, 37, p. 14720-14727 8 p.

研究成果: Article › 査読

29 被引用数 (Scopus)

Efficient photocatalytic proton-coupled electron-transfer reduction of O₂ using a saddle-distorted porphyrin as a photocatalyst

Aoki, E., Suzuki, W., Kotani, H., Ishizuka, T., Sakai, H., Hasobe, T. & Kojima, T., 2019, In: Chemical Communications. 55, 34, p. 4925-4928 4 p.

研究成果: Article › 査読

13 被引用数 (Scopus)

Quantitative Sequential Photoenergy Conversion Process from Singlet Fission to Intermolecular Two-Electron Transfers Utilizing Tetracene Dimer

Nakamura, S., Sakai, H., Nagashima, H., Kobori, Y., Tkachenko, N. V. & Hasobe, T., 2019 1月 11, In: ACS Energy Letters. 4, 1, p. 26-31 6 p.

研究成果: Article › 査読

26 被引用数 (Scopus)

Synthesis and Electrochemical and Photophysical Properties of Azaterrylene Derivatives

Hirono, A., Sakai, H. & Hasobe, T., 2019 5月 15, In: Chemistry - An Asian Journal. 14, 10, p. 1754-1762 9 p.

研究成果: Article › 査読

5 被引用数 (Scopus)

2018

Concentration-dependent photophysical switching in mixed self-assembled monolayers of pentacene and perylenediimide on gold nanoclusters

Kato, D., Sakai, H., Araki, Y., Wada, T., Tkachenko, N. V. & Hasobe, T., 2018, In: Physical Chemistry Chemical Physics. 20, 13, p. 8695-8706 12 p.

研究成果: Article › 査読

6 被引用数 (Scopus)

High-Yield Generation of Triplet Excited States by an Efficient Sequential Photoinduced Process from Energy Transfer to Singlet Fission in Pentacene-Modified CdSe/ZnS Quantum Dots

Sakai, H., Inaya, R., Tkachenko, N. V. & Hasobe, T., 2018 11月 16, In: Chemistry - A European Journal. 24, 64, p. 17062-17071 10 p.

研究成果: Article › 査読

11 被引用数 (Scopus)

Inter- and Intramolecular Electron-Transfer Reduction Properties of Coronenediimide Derivatives via Photoinduced Processes

Yoshida, M., Sakai, H., Ohkubo, K., Fukuzumi, S. & Hasobe, T., 2018 6月 28, In: Journal of Physical Chemistry C. 122, 25, p. 13333-13346 14 p.

研究成果: Article › 査読

8 被引用数 (Scopus)

Multiexciton Dynamics Depending on Intramolecular Orientations in Pentacene Dimers: Recombination and Dissociation of Correlated Triplet Pairs

Sakai, H., Inaya, R., Nagashima, H., Nakamura, S., Kobori, Y., Tkachenko, N. V. & Hasobe, T., 2018 6月 21, In: Journal of Physical Chemistry Letters. 9, 12, p. 3354-3360 7 p.

研究成果: Article › 査読

60 被引用数 (Scopus)

Significant Enhancement of Absorption and Luminescence Dissymmetry Factors in the Far-Red Region: A Zinc(II) Homoleptic Helicate Formed by a Pair of Achiral Dipyrromethene Ligands

Ito, H., Sakai, H., Okayasu, Y., Yuasa, J., Mori, T. & Hasobe, T., 2018 11月 13, In: Chemistry - A European Journal. 24, 63, p. 16889-16894 6 p.

研究成果: Article › 査読

33 被引用数 (Scopus)

Synthesis and Photodynamics of Tetragermatetrathia[8]circulene

Akahori, S., Sakai, H., Hasobe, T., Shinokubo, H. & Miyake, Y., 2018 1月 5, In: Organic Letters. 20, 1, p. 304-307 4 p.

研究成果: Article › 査読

32 被引用数 (Scopus)

2017

Control of the electrochemical and photophysical properties of: N -substituted benzo [ghi] perylene derivatives

Tokuo, K., Sakai, H., Sakanoue, T., Takenobu, T., Araki, Y., Wada, T. & Hasobe, T., 2017 11月, In: Materials Chemistry Frontiers. 1, 11, p. 2299-2308 10 p.

研究成果: Article › 査読

12 被引用数 (Scopus)

Synthesis, Structural and Photophysical Properties of Pentacene Alkanethiolate Monolayer-Protected Gold Nanoclusters and Nanorods: Supramolecular Intercalation and Photoinduced Electron Transfer with C₆₀

Kato, D., Sakai, H., Saegusa, T., Tkachenko, N. V. & Hasobe, T., 2017 4月 27, In: Journal of Physical Chemistry C. 121, 16, p. 9043-9052 10 p.

研究成果: Article › 査読

8 被引用数 (Scopus)

Synthesis of Tetrasilatetrathia[8]circulenes by a Fourfold Intramolecular Dehydrogenative Silylation of C−H Bonds

Serizawa, Y., Akahori, S., Kato, S., Sakai, H., Hasobe, T., Miyake, Y. & Shinokubo, H., 2017 5月 23, In: Chemistry - A European Journal. 23, 29, p. 6948-6952 5 p.

研究成果: Article › 査読

23 被引用数 (Scopus)

The effect of a highly twisted CC double bond on the electronic structures of 9,9′-bifluorenylidene derivatives in the ground and excited states

Takai, A., Freas, D. J., Suzuki, T., Sugimoto, M., Labuta, J., Haruki, R., Kumai, R., Adachi, S. I., Sakai, H., Hasobe, T., Matsushita, Y. & Takeuchi, M., 2017 5月, In: Organic Chemistry Frontiers. 4, 5, p. 650-657 8 p.

研究成果: Article › 査読

20 被引用数 (Scopus)

2016

Controllable Electronic Structures and Photoinduced Processes of Bay-Linked Perylenediimide Dimers and a Ferrocene-Linked Triad

Horinouchi, H., Sakai, H., Araki, Y., Sakanoue, T., Takenobu, T., Wada, T., Tkachenko, N. V. & Hasobe, T., 2016 7月 4, In: Chemistry - A European Journal. 22, 28, p. 9631-9641 11 p.

研究成果: Article › 査読

17 被引用数 (Scopus)

Controlled Excited-State Dynamics and Enhanced Fluorescence Property of Tetrasulfone[9]helicene by a Simple Synthetic Process

Yamamoto, Y., Sakai, H., Yuasa, J., Araki, Y., Wada, T., Sakanoue, T., Takenobu, T., Kawai, T. & Hasobe, T., 2016 4月 21, In: Journal of Physical Chemistry C. 120, 13, p. 7421-7427 7 p.

研究成果: Article › 査読

49 被引用数 (Scopus)

Control of local structures and photophysical properties of zinc porphyrin-based supramolecular assemblies structurally organized by regioselective ligand coordination

Sakuma, T., Sakai, H., Araki, Y., Wada, T. & Hasobe, T., 2016, In: Physical Chemistry Chemical Physics. 18, 7, p. 5453-5463 11 p.

研究成果: Article › 査読

15 被引用数 (Scopus)

High-Yield Excited Triplet States in Pentacene Self-Assembled Monolayers on Gold Nanoparticles through Singlet Exciton Fission

Kato, D., Sakai, H., Tkachenko, N. V. & Hasobe, T., 2016 4月 18, In: Angewandte Chemie - International Edition. 55, 17, p. 5230-5234 5 p.

研究成果: Article › 査読

33 被引用数 (Scopus)

Long-Lived Triplet Excited States of Bent-Shaped Pentacene Dimers by Intramolecular Singlet Fission

Sakuma, T., Sakai, H., Araki, Y., Mori, T., Wada, T., Tkachenko, N. V. & Hasobe, T., 2016 3月 31, In: Journal of Physical Chemistry A. 120, 11, p. 1867-1875 9 p.

研究成果: Article › 査読

115 被引用数 (Scopus)

Photoinduced Processes of Supramolecular Nanoarrays Composed of Porphyrin and Benzo[ghi]perylenetriimide Units through Triple Hydrogen Bonds with One-Dimensional Columnar Phases

Sakai, H., Ohkubo, K., Fukuzumi, S. & Hasobe, T., 2016 2月 18, In: Chemistry - An Asian Journal. 11, 4, p. 613-624 12 p.

研究成果: Article › 査読

9 被引用数 (Scopus)

Protonation-induced red-coloured circularly polarized luminescence of [5]carbohelicene fused by benzimidazole

Sakai, H., Kubota, T., Yuasa, J., Araki, Y., Sakanoue, T., Takenobu, T., Wada, T., Kawai, T. & Hasobe, T., 2016, In: Organic and Biomolecular Chemistry. 14, 28, p. 6738-6743 6 p.

研究成果: Article › 査読

34 被引用数 (Scopus)

Siloxy Group-Induced Highly Efficient Room Temperature Phosphorescence with Long Lifetime

Shimizu, M., Shigitani, R., Nakatani, M., Kuwabara, K., Miyake, Y., Tajima, K., Sakai, H. & Hasobe, T., 2016 6月 2, In: Journal of Physical Chemistry C. 120, 21, p. 11631-11639 9 p.

研究成果: Article › 査読

83 被引用数 (Scopus)

Synthetic Control of Photophysical Process and Circularly Polarized Luminescence of [5]Carbohelicene Derivatives Substituted by Maleimide Units

Sakai, H., Kubota, T., Yuasa, J., Araki, Y., Sakanoue, T., Takenobu, T., Wada, T., Kawai, T. & Hasobe, T., 2016 4月 21, In: Journal of Physical Chemistry C. 120, 14, p. 7860-7869 10 p.

研究成果: Article › 査読

57 被引用数 (Scopus)

Synthetic Control of the Excited-State Dynamics and Circularly Polarized Luminescence of Fluorescent "push-Pull" Tetrathia[9]helicenes

Yamamoto, Y., Sakai, H., Yuasa, J., Araki, Y., Wada, T., Sakanoue, T., Takenobu, T., Kawai, T. & Hasobe, T., 2016 3月 14, In: Chemistry - A European Journal. 22, 12, p. 4263-4273 11 p.

研究成果: Article › 査読

69 被引用数 (Scopus)

2015

Coronenetetraimide-Centered Cruciform Pentamers Containing Multiporphyrin Units: Synthesis and Sequential Photoinduced Energy- and Electron-Transfer Dynamics

Hasobe, T., Ida, K., Sakai, H., Ohkubo, K. & Fukuzumi, S., 2015 7月 27, In: Chemistry - A European Journal. 21, 31, p. 11196-11205 10 p.

研究成果: Article › 査読

14 被引用数 (Scopus)

Graphene oxide-Li⁺@C₆₀ donor-acceptor composites for photoenergy conversion

Supur, M., Kawashima, Y., Ohkubo, K., Sakai, H., Hasobe, T. & Fukuzumi, S., 2015 6月 28, In: Physical Chemistry Chemical Physics. 17, 24, p. 15732-15738 7 p.

研究成果: Article › 査読

11 被引用数 (Scopus)

Highly fluorescent [7]carbohelicene fused by asymmetric 1,2-dialkyl-substituted quinoxaline for circularly polarized luminescence and electroluminescence

Sakai, H., Shinto, S., Kumar, J., Araki, Y., Sakanoue, T., Takenobu, T., Wada, T., Kawai, T. & Hasobe, T., 2015 6月 18, In: Journal of Physical Chemistry C. 119, 24, p. 13937-13947 11 p.

研究成果: Article › 査読

87 被引用数 (Scopus)

Near-Infrared Photoelectrochemical Conversion via Photoinduced Charge Separation in Supramolecular Complexes of Anionic Phthalocyanines with Li⁺@C₆₀

Kawashima, Y., Ohkubo, K., Blas-Ferrando, V. M., Sakai, H., Font-Sanchis, E., Ortíz, J., Fernández-Lázaro, F., Hasobe, T., Sastre-Santos, Á. & Fukuzumi, S., 2015 6月 18, In: Journal of Physical Chemistry B. 119, 24, p. 7690-7697 8 p.

研究成果: Article › 査読

17 被引用数 (Scopus)

Supramolecular photovoltaic cells utilizing inclusion complexes composed of Li ⁺@ C ₆₀ and cyclic porphyrin dimer

Sakai, H., Kamimura, T., Tani, F. & Hasobe, T., 2015 1月 1, In: Journal of Porphyrins and Phthalocyanines. 19, 1-3, p. 242-250 9 p.

研究成果: Article › 査読

5 被引用数 (Scopus)

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酒井隼人