Researcher Profiles - MUTO KATSUYA

写真a

MUTO KATSUYA

Organization

Graduate School of Science Department of Chemistry Lecturer
School of Science Department of Chemistry

Affiliation

Institute of Science

Position

Graduate School of Science Department of Chemistry

Lecturer 2022.10 - Now
School of Science Department of Chemistry

Lecturer 2022.10 - Now

Degree

理学博士（ Aoyama Gakuin University ）
理学修士（ Aoyama Gakuin University ）
理学学士（ Aoyama Gakuin University ）

Research Areas

Nanotechnology/Materials / Functional solid state chemistry / フォトクロミズム
Nanotechnology/Materials / Structural organic chemistry and physical organic chemistry

Research Interests

photochemistry
Hexaarylbiimidazole
photochromism
金属ナノクラスター

Professional Memberships

THE CHEMICAL SOCIETY OF JAPAN
THE JAPANESE PHOTOCHEMISTRY ASSOCIATION

Committee Memberships (off-campus)

2025年度代議員公益社団法人日本化学会

2024.11 - 2025.10
幹事公益社団法人日本化学会近畿支部

2024.04 - Now

Job Career (off-campus)

大阪公立大学大学院理学研究科

2022.10 - Now
Aoyama Gakuin University Department of Chemistry and Biological Science, College of Science and Engineering

2016.04 - 2022.09

Papers

A Hexaarylbiimidazole‐Terarylene Hybrid: Visible‐to‐NIR‐II Absorption via Sequential Photochromic Reactions Reviewed

Katsuya Mutoh, Yoichi Kobayashi, Takuya Nakashima

Angewandte Chemie International Edition 63 ( 39 ) e202410115 2024.06（ ISSN:1433-7851 ）（ eISSN:1521-3773 ）

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Publishing type：Research paper (scientific journal)

Abstract

A synergetic interaction between two or more photochromic chromophores has a potential to achieve advanced photochemical properties beyond conventional photochromic molecules and to realize photochemical control of complex systems using only a single molecule. Herein, we report a hybrid photochromic molecule consisting of hexaarylbiimidazole (HABI) and terarylene that exhibits multi‐state photochromism. The biphotochrome hybrid shows four‐state photochromic reaction involving sequentially proceeding photoreactions. The UV or visible light irradiation to the biphotochrome leads to the C−N bond breaking reaction of the HABI in preference to the ring‐closing reaction of the 6π‐electron system in the terarylene unit, leading to two terarylene radical molecules. The photogenerated terarylene radical further exhibits the 6π‐electrocyclization reaction by UV irradiation. The delocalized π‐radical on the closed‐ring form of the terarylene is efficient to enhance the photosensitivity to the NIR−I and ‐II region. Furthermore, a recombination reaction of radicals between the open‐ and closed‐ring isomers of terarylene affords an unprecedented photochromic dimer as a structural isomer of the initial molecule. This is a consequence of the sequential hybrid photochromic system involving the HABI and terarylene units.

DOI： 10.1002/anie.202410115

PubMed

Repository URL： http://hdl.handle.net/10466/0002001293
第44回光化学若手の会の報告

柚山健一, 松井康哲, 北川大地, 武藤克也

光化学 55 ( 1 ) 46 - 47 2024.04（ ISSN:09134689 ）（ eISSN:27590836 ）

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DOI： 10.60391/koukagaku.55.1_46
Fast photochromism of helicene-bridged imidazole dimers Reviewed

Katsuya Mutoh, Jiro Abe

Chemical Science 15 ( 33 ) 13343 - 13350 2024（ ISSN:2041-6520 ）（ eISSN:2041-6539 ）

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Authorship：Lead author Publishing type：Research paper (scientific journal)

The unique optical and magnetic properties of organic biradicaloids on polycyclic aromatic hydrocarbons are of fundamental interest in the development of novel organic optoelectronic materials.

DOI： 10.1039/d4sc03578j
Bridged-Imidazole Dimer Exhibiting Three-State Negative Photochromism with a Single Photochromic Unit Reviewed

Hiroki Ito, Katsuya Mutoh, Jiro Abe

Journal of the American Chemical Society 145 ( 11 ) 6498 - 6506 2023.03（ ISSN:0002-7863 ）

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Publishing type：Research paper (scientific journal)

DOI： 10.1021/jacs.3c00476

PubMed
Acceleration of the thermal back-reaction and the finding of a non-photochromic isomer for a negative photochromic binaphthyl-bridged imidazole dimer Reviewed

Katsuya Mutoh, Natsuho Moriyama, Jiro Abe

Chemical Communications 59 2962 - 2965 2023

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Publishing type：Research paper (scientific journal)

DOI： 10.1039/d2cc06942c
Acceleration of the thermal back-reaction and the finding of a non-photochromic isomer for a negative photochromic binaphthyl-bridged imidazole dimer Reviewed

Katsuya Mutoh, Natsuho Moriyama, Jiro Abe

Chemical Communications 59 2962 - 2965 2023

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Publishing type：Research paper (scientific journal)

DOI： 10.1039/d2cc06942c
Acceleration of the thermal back-reaction and the finding of a non-photochromic isomer for a negative photochromic binaphthyl-bridged imidazole dimer Reviewed

Katsuya Mutoh, Natsuho Moriyama, Jiro Abe

Chemical Communications 59 2962 - 2965 2023

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Publishing type：Research paper (scientific journal)

DOI： 10.1039/d2cc06942c
Acceleration of the thermal back-reaction and the finding of a non-photochromic isomer for a negative photochromic binaphthyl-bridged imidazole dimer Reviewed

Katsuya Mutoh, Natsuho Moriyama, Jiro Abe

Chemical Communications 59 2962 - 2965 2023

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Publishing type：Research paper (scientific journal)

DOI： 10.1039/d2cc06942c
Controlling Diradical Character of Photogenerated Colored Isomers of Phenoxyl-Imidazolyl Radical Complexes Reviewed

Moe Nishijima, Katsuya Mutoh, Rintaro Shimada, Akira Sakamoto, Jiro Abe

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 144 17186 - 17197 2022.09（ ISSN:0002-7863 ）（ eISSN:1520-5126 ）

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Publishing type：Research paper (scientific journal)

We propose a rational method for evaluating the diradical character of the photochromic phenoxyl-imidazolyl radical complex (PIC) derivatives based on their radical-radical coupling reaction rates. PIC consists of an imidazole ring, a phenoxyl ring, and a bridging unit that structurally connects them. The C-N bond formed between the imidazole and phenoxyl rings can be dissociated photochemically in a homolytic manner. The photochromism of PIC differs significantly from other photo -chromic molecules in that the transient colored open-ring isomer has a diradical character. The colored open-ring isomer returns promptly to the initial colorless closed-ring isomer by the intramolecular radical recombination reaction. By changing the aromaticity and substitution position of the bridging unit, it is possible to control the degree of contribution of the open-shell diradical and closed-shell quinoidal structures to the open-ring isomer. Systematic investigation of the photochromic reactions of several PIC derivatives revealed that the half-life of the open-ring isomers reflects the diradical character. Thus, the radical recombination reaction rate of the open-ring isomer of the PIC derivatives is an excellent parameter of the diradical character.

DOI： 10.1021/jacs.2c07562
Stepwise Photochromism of Bis(Imidazole Dimer) Bridged by a Sulfur Atom Reviewed

Katsuya Mutoh, Jiro Abe

Organic Letters 24 5166 - 5170 2022

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Publishing type：Research paper (scientific journal)

DOI： 10.1021/acs.orglett.2c01998
Excitation wavelength- and intensity-dependent stepwise two-photon-induced photochromic reaction Reviewed

Katsuya Mutoh, Katsuya Yamamoto, Jiro Abe

Photochemical & Photobiological Sciences 21 ( 8 ) 1445 - 1458 2022（ eISSN:1474-9092 ）

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Publishing type：Research paper (scientific journal)

DOI： 10.1007/s43630-022-00234-y

Other URL： https://link.springer.com/article/10.1007/s43630-022-00234-y/fulltext.html
Stepwise Photochromism of Bis(Imidazole Dimer) Bridged by a Sulfur Atom Reviewed

Katsuya Mutoh, Jiro Abe

Organic Letters 24 5166 - 5170 2022

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Publishing type：Research paper (scientific journal)

DOI： 10.1021/acs.orglett.2c01998
Excitation wavelength- and intensity-dependent stepwise two-photon-induced photochromic reaction Reviewed

Katsuya Mutoh, Katsuya Yamamoto, Jiro Abe

Photochemical & Photobiological Sciences 21 ( 8 ) 1445 - 1458 2022（ eISSN:1474-9092 ）

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Publishing type：Research paper (scientific journal)

DOI： 10.1007/s43630-022-00234-y

Other URL： https://link.springer.com/article/10.1007/s43630-022-00234-y/fulltext.html
A photochromic carbazolyl-imidazolyl radical complex Reviewed

Yasuki Kawanishi, Yasutomo Segawa, Katsuya Mutoh, Jiro Abe, Yoichi Kobayashi

Chemical Communications 58 ( 32 ) 4997 - 5000 2022

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Publishing type：Research paper (scientific journal)

DOI： 10.1039/D2CC01196D
A photochromic carbazolyl-imidazolyl radical complex Reviewed

Yasuki Kawanishi, Yasutomo Segawa, Katsuya Mutoh, Jiro Abe, Yoichi Kobayashi

Chemical Communications 58 ( 32 ) 4997 - 5000 2022

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Publishing type：Research paper (scientific journal)

DOI： 10.1039/D2CC01196D
Stepwise Photochromism of Bis(Imidazole Dimer) Bridged by a Sulfur Atom Reviewed

Katsuya Mutoh, Jiro Abe

Organic Letters 24 5166 - 5170 2022

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Publishing type：Research paper (scientific journal)

DOI： 10.1021/acs.orglett.2c01998
A photochromic carbazolyl-imidazolyl radical complex Reviewed

Yasuki Kawanishi, Yasutomo Segawa, Katsuya Mutoh, Jiro Abe, Yoichi Kobayashi

Chemical Communications 58 ( 32 ) 4997 - 5000 2022

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Publishing type：Research paper (scientific journal)

DOI： 10.1039/D2CC01196D
Excitation wavelength- and intensity-dependent stepwise two-photon-induced photochromic reaction Reviewed

Katsuya Mutoh, Katsuya Yamamoto, Jiro Abe

Photochemical & Photobiological Sciences 21 ( 8 ) 1445 - 1458 2022（ eISSN:1474-9092 ）

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Publishing type：Research paper (scientific journal)

DOI： 10.1007/s43630-022-00234-y

Other URL： https://link.springer.com/article/10.1007/s43630-022-00234-y/fulltext.html
A photochromic carbazolyl-imidazolyl radical complex Reviewed

Yasuki Kawanishi, Yasutomo Segawa, Katsuya Mutoh, Jiro Abe, Yoichi Kobayashi

Chemical Communications 58 ( 32 ) 4997 - 5000 2022

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Publishing type：Research paper (scientific journal)

DOI： 10.1039/D2CC01196D
Stepwise Photochromism of Bis(Imidazole Dimer) Bridged by a Sulfur Atom Reviewed

Katsuya Mutoh, Jiro Abe

Organic Letters 24 5166 - 5170 2022

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Publishing type：Research paper (scientific journal)

DOI： 10.1021/acs.orglett.2c01998
Excitation wavelength- and intensity-dependent stepwise two-photon-induced photochromic reaction Reviewed

Katsuya Mutoh, Katsuya Yamamoto, Jiro Abe

Photochemical & Photobiological Sciences 21 ( 8 ) 1445 - 1458 2022（ eISSN:1474-9092 ）

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Publishing type：Research paper (scientific journal)

DOI： 10.1007/s43630-022-00234-y

Other URL： https://link.springer.com/article/10.1007/s43630-022-00234-y/fulltext.html
Dynamic Spin–Spin Interaction Observed as Interconversion of Chemical Bonds in Stepwise Two-Photon Induced Photochromic Reaction Reviewed

Katsuya Mutoh, Shota Toshimitsu, Yoichi Kobayashi, Jiro Abe

Journal of the American Chemical Society 143 ( 34 ) 13917 - 13928 2021.09（ ISSN:0002-7863 ）（ eISSN:1520-5126 ）

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Publishing type：Research paper (scientific journal)

DOI： 10.1021/jacs.1c06775
A Qualitative Measure of Diradical Character Based on Radical–Radical Coupling Reaction Reviewed

Moe Nishijima, Katsuya Mutoh, Jiro Abe

Chemistry Letters 50 ( 7 ) 1423 - 1427 2021.07（ ISSN:0366-7022 ）（ eISSN:1348-0715 ）

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Publishing type：Research paper (scientific journal)

DOI： 10.1246/cl.210267
Extending the Lifetimes of Charge Transfer States Generated by Photoinduced Heterolysis of Photochromic Radical Complexes Reviewed

Yasuki Kawanishi, Katsuya Mutoh, Jiro Abe, Yoichi Kobayashi

Asian Journal of Organic Chemistry 10 ( 4 ) 891 - 900 2021.04（ ISSN:2193-5807 ）（ eISSN:2193-5815 ）

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Publishing type：Research paper (scientific journal)

DOI： 10.1002/ajoc.202100032

Other URL： https://onlinelibrary.wiley.com/doi/full-xml/10.1002/ajoc.202100032
Enhancement of Negative Photochromic Properties of Naphthalene‐Bridged Phenoxyl‐Imidazolyl Radical Complex Reviewed

Hiroki Ito, Katsuya Mutoh, Jiro Abe

ChemPhysChem 21 ( 14 ) 1578 - 1586 2020.07（ ISSN:1439-4235 ）（ eISSN:1439-7641 ）

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Publishing type：Research paper (scientific journal)

DOI： 10.1002/cphc.202000296

Other URL： https://onlinelibrary.wiley.com/doi/full-xml/10.1002/cphc.202000296
Fast Photochromism of the Imidazole Dimers Bridged by Group 14 Atoms Reviewed

Hiroki Ito, Sho Tanaka, Katsuya Mutoh, Jiro Abe

Organic Letters 22 ( 14 ) 5680 - 5684 2020.07（ ISSN:1523-7060 ）（ eISSN:1523-7052 ）

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Publishing type：Research paper (scientific journal)

DOI： 10.1021/acs.orglett.0c02072
Photochromic Radical Complexes That Show Heterolytic Bond Dissociation Reviewed

Ryosuke Usui, Katsuya Yamamoto, Hajime Okajima, Katsuya Mutoh, Akira Sakamoto, Jiro Abe, Yoichi Kobayashi

Journal of the American Chemical Society 142 ( 22 ) 10132 - 10142 2020.05（ ISSN:0002-7863 ）（ eISSN:1520-5126 ）

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Publishing type：Research paper (scientific journal)

DOI： 10.1021/jacs.0c02739
Red or Near-Infrared Light Operating Negative Photochromism of a Binaphthyl-Bridged Imidazole Dimer Reviewed

Aya Kometani, Yuki Inagaki, Katsuya Mutoh, Jiro Abe

Journal of the American Chemical Society 142 ( 17 ) 7995 - 8005 2020.04（ ISSN:0002-7863 ）（ eISSN:1520-5126 ）

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Publishing type：Research paper (scientific journal)

DOI： 10.1021/jacs.0c02455
Photochromic Reaction by Red Light via Triplet Fusion Upconversion Reviewed

Ayako Tokunaga, Lucas Martinez Uriarte, Katsuya Mutoh, Eduard Fron, Johan Hofkens, Michel Sliwa, Jiro Abe

Journal of the American Chemical Society 141 ( 44 ) 17744 - 17753 2019.11（ ISSN:0002-7863 ）（ eISSN:1520-5126 ）

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Publishing type：Research paper (scientific journal)

DOI： 10.1021/jacs.9b08219
Excited state dynamics for visible-light sensitization of a photochromic benzil-subsituted phenoxyl-imidazolyl radical Invited Reviewed

Yoichi Kobayashi, Yukie Mamiya, Katsuya Mutoh, Hikaru Sotome, Masafumi Koga, Hiroshi Miyasaka, Jiro Abe

Beilstein Journal of Organic Chemistry 15 2369 - 2379 2019.10（ eISSN:1860-5397 ）

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Publishing type：Research paper (scientific journal)

© 2019 Kobayashi et al.; licensee Beilstein-Institut. License and terms: see end of document. Visible-light sensitized photoswitches have been paid particular attention in the fields of life sciences and materials science because long-wavelength light reduces photodegradation, transmits deep inside of matters, and achieves the selective excitation in condensed systems. Among various photoswitch molecules, the phenoxyl-imidazolyl radical complex (PIC) is a recently developed thermally reversible photochromic molecule whose thermal back reaction can be tuned from tens of nanoseconds to tens of seconds by rational design of the molecular structure. While the wide range of tunability of the switching speed of PIC opened up various potential applications, no photosensitivity to visible light limits its applications. In this study, we synthesized a visible-light sensitized PIC derivative conjugated with a benzil unit. Femtosecond transient absorption spectroscopy revealed that the benzil unit acts as a singlet photosensitizer for PIC by the Dexter-type energy transfer. Visible-light sensitized photochromic reactions of PIC are important for expanding the versatility of potential applications to life sciences and materials science.

DOI： 10.3762/bjoc.15.229
Molecular design to increase the photosensitivity of photochromic phenoxyl-imidazolyl radical complex Invited Reviewed

Ruiji Li, Hiroki Arai, Yoichi Kobayashi, Katsuya Mutoh, Jiro Abe

Mater. Chem. Front. 2019.10
Rational Molecular Designs for Controlling Photochromism: Thermally Activated Valence Isomerization of Phenoxyl‐Imidazolyl Radical Complexes Reviewed

Shota Toshimitsu, Kentaro Shima, Katsuya Mutoh, Yoichi Kobayashi, Jiro Abe

ChemPhotoChem 3 ( 6 ) 487 - 494 2019.06（ ISSN:2367-0932 ）（ eISSN:2367-0932 ）

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Publishing type：Research paper (scientific journal)

DOI： 10.1002/cptc.201800243

Other URL： https://onlinelibrary.wiley.com/doi/full-xml/10.1002/cptc.201800243
Turn-On Mode Fluorescence Switch by Using Negative Photochromic Imidazole Dimer Reviewed

Katsuya Mutoh, Nanae Miyashita, Kaho Arai, Jiro Abe

Journal of the American Chemical Society 141 ( 14 ) 5650 - 5654 2019.04（ ISSN:0002-7863 ）（ eISSN:1520-5126 ）

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Publishing type：Research paper (scientific journal)

DOI： 10.1021/jacs.9b01870
Photo- and Electro-Driven Molecular Switching System of Aryl-Bridged Photochromic Radical Complexes Reviewed

Katsuya Yamamoto, Katsuya Mutoh, Jiro Abe

The Journal of Physical Chemistry A 123 ( 10 ) 1945 - 1952 2019.02

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DOI： 10.1021/acs.jpca.8b12384
On-Demand Control of the Photochromic Properties of Naphthopyrans Reviewed

Hayato Kuroiwa, Yuki Inagaki, Katsuya Mutoh, Jiro Abe

Advanced Materials 31 ( 2 ) 1805661 2019.01

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DOI： 10.1002/adma.201805661
Visible light intensity dependent negative photochromism of a binaphthyl-bridged phenoxyl-imidazolyl radical complex Reviewed

Izumi Yonekawa, Katsuya Mutoh, Jiro Abe

Chemical Communications 55 ( 9 ) 1221 - 1224 2019

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DOI： 10.1039/C8CC09591D
Electrochromism of fast photochromic radical complexes forming light-unresponsive stable colored radical cation Reviewed

Katsuya Yamamoto, Isshu Gomita, Hajime Okajima, Akira Sakamoto, Katsuya Mutoh, Jiro Abe

Chemical Communications 2019

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DOI： 10.1039/C9CC00455F

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Books and Other Publications

「化学」注目の論文「アゾベンゼンの新しい”かたち” 可視光を歪みエネルギーとして蓄える分子」

武藤克也

化学同人 2020.10
光機能性有機・高分子材料における新たな息吹「高速フォトクロミック分子を基盤とする高次複合光応答」

武藤克也, 阿部二朗, 著, 市村国宏編（ Role： Contributor）

シーエムシー出版 2019.04 （ ISBN:9784781314143 ）

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Total pages：ix, 333p

CiNii Books
フォトクロミズム

阿部二朗, 武藤克也, 小林洋一（ Role： Joint author）

共立出版 2019.03
フォトクロミズム

阿部二朗, 武藤克也, 小林洋一, 日本化学会

共立出版 2019 （ ISBN:9784320044715 ）

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CiNii Books

Presentations

Toward Enhancement of Functionality of Gold Nanoclusters by Chemical Modification Invited

Katsuya Mutoh

Photofunctional Physical Chemistry Symposium 2024.10
配位子にアミド結合を有する銀クラスターの合成と発光特性

山野一哉, 武藤克也, 中嶋琢也

2024年光化学討論会 2024.09
有機ラジカル配位子を有する金ナノクラスターの合成と光学特性

林晃生, 武藤克也, 中嶋琢也

2024年光化学討論会 2024.09
ヘキサアリールビイミダゾール-ターアリーレン複合体の逐次フォトクロミック反応

武藤克也, 小林洋一, 中嶋琢也

2024年光化学討論会 2024.09
ビス(ベンゾ[b]ホスフィンドール)エタンを配位子とする金クラスターの構造と発光特性

矢作哲平, 武藤克也, 高野慎二朗, 佃達哉, 中嶋琢也

2024年光化学討論会 2024.09
ヘキサアリールビイミダゾールとターアリーレンの特徴を有する新規フォトクロミック分子の開発

武藤克也, 中嶋琢也

日本化学会第104春季年会 2024.03
ビス(ベンゾホスフィンドール)エタンを配位子とする金クラスターの合成と発光特性

矢作哲平, 武藤克也, 中嶋琢也

日本化学会第104春季年会 2024.03
新規ホスフィン系配位子保護金ナノクラスターの合成と光学特性

矢作哲平, 武藤克也, 中嶋琢也

2023年光化学討論会 2023.09
銀29クラスターの構造制御と光学特性

山野一哉, 石井航, 武藤克也, 中嶋琢也

2023年光化学討論会 2023.09
高速フォトクロミズムによる段階的二光子誘起反応 Invited

武藤克也

第２８回光科学若手研究会 2022.11
高速フォトクロミズムによる段階的二光子誘起反応 Invited

武藤克也

第２８回光科学若手研究会 2022.11
可視光応答環状ビスビナフチル架橋型フェノキシル－イミダゾリルラジカル複合体の開発

森山夏帆, 武藤克也, 阿部二朗

第12回CSJ化学フェスタ 2022.10
ナフチルピレン架橋型イミダゾール二量体の逆フォトクロミズム

伊藤弘紀, 武藤克也, 阿部二朗

第16回分子科学討論会 2022.09
ビスフェノキシルーイミダゾリルラジカル複合体誘導体の結合解離過程

瀬理智哉, 武藤克也, 阿部二朗, 小林洋一

第16回分子科学討論会 2022.09
ジフェニルジアセチレンで架橋した環状ビナフチル架橋型フェノキシル－イミダゾリルラジカル複合体の逆フォトクロミズム

小高慧人, 武藤克也, 阿部二朗

2022年光化学討論会 2022.09
ナフチルピレン架橋型イミダゾール二量体のマルチフォトクロミズム

伊藤弘紀, 武藤克也, 阿部二朗

2022年光化学討論会 2022.09
環状ビスビナフチル架橋型フェノキシル−イミダゾリルラジカル複合体の逆フォトクロミズム

森山夏帆, 武藤克也, 阿部二朗

2022年光化学討論会 2022.09
Unveiling electronic structures of biradicaloids using fast switchable photochromism Invited

Katsuya Mutoh

Mach-5 2022.09

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Presentation type：Oral presentation (invited, special)
Unveiling electronic structures of biradicaloids using fast switchable photochromism Invited

Katsuya Mutoh

Mach-5 2022.09
架橋型イミダゾール二量体の逆フォトクロミズム反応機構

小高慧人, 伊藤弘紀, 高野恵未依, 武藤克也, 阿部二朗

第15回分子科学討論会 2021.09

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Presentation type：Poster presentation
ピレンを基盤としたビアリール架橋型イミダゾール二量体のフォトクロミック特性

伊藤弘紀, 武藤克也, 阿部二朗

第15回分子科学討論会 2021.09

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Presentation type：Poster presentation
近赤外光応答架橋型イミダゾール二量体の逆フォトクロミズムで生成する予想外の高蛍光性異性体

森山夏帆, 武藤克也, 阿部二朗

第15回分子科学討論会 2021.09

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Presentation type：Oral presentation (general)
ラジカル反応性に基づくビラジカル性の実験的評価

西島萌恵, 武藤克也, 阿部二朗

第15回分子科学討論会 2021.09

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Presentation type：Oral presentation (general)
逆フォトクロミズムを示すビナフチル架橋型イミダゾール二量体の熱戻り反応の高速化

松浦佳樹, 武藤克也, 阿部二朗

2021年光化学討論会 2021.09

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Presentation type：Poster presentation
Unexpected highly fluorescent isomer generated by NIR-light-driven negative photochromism of bridged imidazole dimers

2021.09

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Presentation type：Oral presentation (general)
Experimental evaluation of biradical character from reactivity of radical recombination reaction

西島萌恵, 武藤克也, 阿部二朗

2021年光化学討論会 2021.09

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Presentation type：Poster presentation
Photochromism of biaryl-bridged imidazole dimers with different types of alryl unit in the bridging unit

伊藤弘紀, 武藤克也, 阿部二朗

2021年光化学討論会 2021.09

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Presentation type：Poster presentation
Experimental measure of diradical character based on radical-radical recombination reaction

Moe Nishijima, Katsuya Mutoh, Jiro Abe

30th International Conference on Photochemistry (ICP2021) 2021.07
NIR-light-induced photochromic reaction of perylene-based-aryl-bridged imidazole dimer

Natsuho Moriyama, Katsuya Mutoh, Jiro Abe

30th International Conference on Photochemistry (ICP2021) 2021.07

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Presentation type：Poster presentation
Negative photochromism of pyrene-based-biaryl-bridged imidazole dimer

Hiroki Ito, Katsuya Mutoh, Jiro Abe

30th International Conference on Photochemistry (ICP2021) 2021.07

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Presentation type：Poster presentation
ビフェニル架橋型イミダゾール二量体の熱異性化反応経路のDFT計算

髙野恵未依, 武藤克也, 阿部二朗

第23回理論化学討論会 2021.05

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Presentation type：Poster presentation
らせん状芳香族分子で架橋されたイミダゾール二量体のフォトクロミズム

武藤克也, 阿部二朗

日本化学会第101春季年会、A21-4am-03 2021.03

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Presentation type：Oral presentation (general)
ビアリール架橋型イミダゾール二量体のフォトクロミック反応特性

伊藤弘紀, 武藤克也, 阿部二朗

日本化学会第101春季年会、A03-1am-05 2021.03

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ビスペリレニル架橋型イミダゾール二量体のフォトクロミズム

森山夏帆, 武藤克也, 阿部二朗

日本化学会第101春季年会、A03-1am-04 2021.03

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Photochromic properties of naphthalene-bridged PIC derivatives

Hiroki Ito, Katsuya Mutoh, Jiro Abe

5th Nanosynergetics Workshop 2020.11
Singlet biradical character: Radical reactivity of bis(imidazolyl radicals)

Moe Nishijima, Katsuya Mutoh, Jiro Abe

2020.11
Optical Properties of Photochromic Radicals Complex Derivatives that Show Heterolytic Bond Dissociation

KAWANISHI Yasuki, MUTOH Katsuya, ABE Jiro, KOBAYASHI Yoichi

2020年web光化学討論会 2020.09
高速フォトクロミックペンタアリールビイミダゾール開環体の電子状態に及ぼす芳香族効果

西島萌恵, 武藤克也, 阿部二朗

2020年web光化学討論会 2020.09
ビフェナントレン架橋型イミダゾール二量体の逆フォトクロミズム

松浦佳樹, 武藤克也, 阿部二朗

2020年web光化学討論会 2020.09
ナフタレン架橋型フェノキシルーイミダゾリルラジカル複合体のフォトクロミック特性の高感度化

伊藤弘紀, 武藤克也, 阿部二朗

2020年web光化学討論会 2020.09
Photocontrol of the valence isomerization process between biradical and quinoidal forms by radical-dissociation type photochromism of phenoxyl-imidazolyl radical complexes

武藤克也, 阿部二朗

日本化学会第100春季年会 2020.03
光学活性なビフェナントレン架橋型イミダゾール二量体の逆フォトクロミズム

松浦佳樹, 武藤克也, 阿部二朗

日本化学会第100春季年会 2020.03
ラジカル再結合反応速度に基づくPABI光生成ビラジカルの電子状態の考察

西島萌恵, 武藤克也, 阿部二朗

日本化学会第100春季年会 2020.03
イミダゾール環を反転させたナフタレン架橋型イミダゾール二量体のフォトクロミズム

伊藤弘紀, 武藤克也, 阿部二朗

日本化学会第100春季年会 2020.03
Aromatic effect on photochromic properties of fast photochromic pentaarylbiimidazole

Moe Nishijima, Katsuya Mutoh, Jiro Abe

18th Asian Chemical Congress (18ACC) 2019.12
Red-light induced photochromic reaction based on triplet fusion

Ayako Tokunaga, Katsuya Mutoh, Jiro Abe

18th Asian Chemical Congress (18ACC) 2019.12
Red and NIR-responsive fast photochromic reaction of phenoxyl-imidazolyl radical complex

Keiki Matsuura, Katsuya Mutoh, Jiro Abe

18th Asian Chemical Congress (18ACC) 2019.12
Negative photochromism of bipyrenyl-bridged imidazole dimer

Kaho Arai, Katsuya Mutoh, Jiro Abe

18th Asian Chemical Congress (18ACC) 2019.12
ビピレニル架橋型イミダゾール二量体の近赤外応答性逆フォトクロミズム

新井夏帆, 武藤克也, 阿部二朗

第9回CSJ化学フェスタ 2019.10
励起子相互作用を示すビスビナフチル架橋型イミダゾール二量体の開発

黒岩隼人, 稲垣佑樹, 武藤克也, 阿部二朗

第9回CSJ化学フェスタ 2019.10
Fluorescence modulation with photochromic-fluorescent nanosystems

N. Fabre, T. Fukaminato, A. Brosseau, K. Mutoh, J. Abe, R. Metivie

9th International Symposium on Photochromism (ISOP2019) 2019.09
Reversible valence photoisomerization between quinoidal and biradical forms of photochromic phenoxyl-imidazolyl radical complex

Jiro Abe, Ayako Tokunaga, Katsuya Mutoh

9th International Symposium on Photochromism (ISOP2019) 2019.09
Microscopic photomechanical motion of single particles achieved by switching of photon force through photochromic reactions

S. Ito, K. Setoura, M. Mitsuishi, A. Memon, M. Tamura, T. Iida, K. Mutoh, J. Abe, M. Morimoto, M. Irie, H. Miyasaka

9th International Symposium on Photochromism (ISOP2019) 2019.09
Correlation between aromaticity and photochromic properties of fast photochromic pentaarylbiimidazole

Moe Nishijima, Katsuya Mutoh, Jiro Abe

9th International Symposium on Photochromism (ISOP2019) 2019.09
Stepwise two-photon-induced photochromic reaction of rhodamine derivatives

Kanna Tsuji, Katsuya Mutoh, Jiro Abe, Yoichi Kobayashi

9th International Symposium on Photochromism (ISOP2019) 2019.09
Red-light-responsive fast photochromic reaction of phenoxyl-imidazolyl radical complex

Keiki Matsuura, Katsuya Mutoh, Jiro Abe

9th International Symposium on Photochromism (ISOP2019) 2019.09
Red-light driven photochromic reaction by utilizing triplet fusion

Ayako Tokunaga, Lucas M. Uriarte, Katsuya Mutoh, Michel Sliwa, Jiro Abe

9th International Symposium on Photochromism (ISOP2019) 2019.09
Rapid negative photochromism of naphthalene-bridged phenoxyl-imidazolyl radical complex derivatives

Hiroki Ito, Ayako Tokunaga, Katsuya Mutoh, Jiro Abe

9th International Symposium on Photochromism (ISOP2019) 2019.09
Photochromic radical complexes that show heterolytic bond cleavage

Yoichi Kobayashi, Ryosuke Usui, Katsuya Yamamoto, Katsuya Mutoh, Jiro Abe

9th International Symposium on Photochromism (ISOP2019) 2019.09
Photo- and electrochemical molecular switch based on aryl-bridged radical complexes

Katsuya Mutoh, Katsuya Yamamoto, Jiro Abe

9th International Symposium on Photochromism (ISOP2019) 2019.09
NIR-light responsive negative photochromism of bipyrenyl-bridged imidazole dimer

Kaho Arai, Katsuya Mutoh, Jiro Abe

9th International Symposium on Photochromism (ISOP2019) 2019.09
NIR light-responsive negative photochromic compounds based on 1,1’-binaphtyl-bridged imidazole dimer

Yuki Inagaki, Katsuya Mutoh, Jiro Abe

9th International Symposium on Photochromism (ISOP2019) 2019.09
Excited state dynamics of photogenerated biradicals of phenoxyl imidazolyl radical complex derivatives

Moe Saito, Katsuya Mutoh, Jiro Abe, Yoichi Kobayashi

9th International Symposium on Photochromism (ISOP2019) 2019.09
Development of multi negative photochromic compounds based on 1,1-binaphthyl-bridged imidazole dimers

Hayato Kuroiwa, Yuki Inagaki, Katsuya Mutoh, Jiro Abe

9th International Symposium on Photochromism (ISOP2019) 2019.09
近赤外光応答性逆フォトクロミズムを示すビピレニル架橋型イミダゾール二量体の開発

新井夏帆, 武藤克也, 阿部二朗

第13回分子科学討論会 2019.09
ビスビナフチル架橋型イミダゾール二量体の励起子相互作用

黒岩隼人, 稲垣佑樹, 武藤克也, 阿部二朗

2019 年光化学討論会 2019.09
高速フォトクロミックペンタアリールビイミダゾール開環体のビラジカル性に対する芳香族効果

西島萌恵, 武藤克也, 阿部二朗

2019 年光化学討論会 2019.09
励起光強度依存性を示すフェノキシルイミダゾリルラジカル複合体の赤色光誘起高速フォトクロミック反応

松浦佳樹, 武藤克也, 阿部二朗

2019 年光化学討論会 2019.09
励起子相互作用を示すバイフォトクロミック分子の開発

稲垣佑樹, 武藤克也, 阿部二朗

2019 年光化学討論会 2019.09
近赤外光応答性ビピレニル架橋型イミダゾール二量体の逆フォトクロミズム

新井夏帆, 武藤克也, 阿部二朗

2019 年光化学討論会 2019.09
Photo- and electrochemically driven molecular switch of aryl-bridged photochromic radical complexes

Katsuya Mutoh, Katsuya Yamamoto, Jiro Abe

10th International Conference on Materials for Advanced Technologies (ICMAT2019) 2019.06
Effect of aromaticity on the biradical character of the open-ring isomer of fast photochromic pentaarylbiimidazole

Moe Nishijima, Katsuya Mutoh, Jiro Abe

10th International Conference on Materials for Advanced Technologies (ICMAT2019) 2019.06
Reversible valence photoisomerization between closed-shell quinoidal and open-shell singlet-biradical forms

Ayako Tokunaga, Katsuya Mutoh, Jiro Abe

10th International Conference on Materials for Advanced Technologies (ICMAT2019) 2019.06
Electrochemical behaviors of negative photochromic compound via biradical

Kaho Arai, Katsuya Mutoh, Jiro Abe

10th International Conference on Materials for Advanced Technologies (ICMAT2019) 2019.06
aza-BODIPYを結合させたフェノキシル−イミダゾリルラジカル複合体の赤色光誘起フォトクロミック反応

松浦佳樹, 武藤克也, 阿部二朗

日本化学会第99春季年会 2019.03
赤色光応答型逆フォトクロミックビナフチル架橋型イミダゾール二量体の創製

米谷彩, 武藤克也, 阿部二朗

日本化学会第99春季年会 2019.03
ペリレン部位を有するフェノキシル−イミダゾリルラジカル複合体の励起状態ダイナミクス

徳永彩子, 武藤克也, L. M. Uriarte, M. Sliwa, 阿部二朗

日本化学会第99春季年会 2019.03
ヘテロ型ビスナフトピランの励起光強度および波長に依存した色調変化

稲垣佑樹, 武藤克也, 阿部二朗

日本化学会第99春季年会 2019.03
ナフトピランの熱消色速度を制御するための新しい分子設計

黒岩隼人, 稲垣佑樹, 武藤克也, 阿部二朗

日本化学会第99春季年会 2019.03
Si架橋型ビスイミダゾール二量体のフォトクロミズム

田中翔, 武藤克也, 阿部二朗

日本化学会第99春季年会 2019.03
フォトクロミックフェノキシル−イミダゾリルラジカル複合体のエレクトロクロミック特性

山本将也, 武藤克也, 阿部二朗

日本化学会第99春季年会 2019.03
逆フォトクロミックビナフチル架橋型ラジカル複合体の分光電気化学

新井夏帆, 武藤克也, 阿部二朗

日本化学会第99春季年会 2019.03
逆フォトクロミズムを示すビナフチル架橋型イミダゾール二量体を用いたターンオン型蛍光スイッチング

宮下奈々恵, 武藤克也, 阿部二朗

日本化学会第99春季年会 2019.03
架橋基の芳香族性による高速フォトクロミックペンタアリールビイミダゾール開環体のビラジカル性制御

西島萌恵, 武藤克也, 阿部二朗

日本化学会第99春季年会 2019.03
フェノキシル−イミダゾリルラジカル複合体の可視光増感ラジカル解離反応ダイナミクス

徳永彩子, 武藤克也, 阿部二朗, L. M. Uriarte, M. Sliwa

新学術領域研究「高次複合光応答」第9回若手セミナー 2019.01

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Grant-in-Aid for Scientific Research

光応答性金属ナノクラスター構造体の創生と光機能開拓

Grant-in-Aid for Scientific Research(B) 2026
光応答性金属ナノクラスター構造体の創生と光機能開拓

Grant-in-Aid for Scientific Research(B) 2025
光応答性金属ナノクラスター構造体の創生と光機能開拓

Grant-in-Aid for Scientific Research(B) 2024
高速フォトクロミズムを利用した光生成らせん型ビラジカルの磁場依存性に関する研究

Grant-in-Aid for Early-Career Scientists 2022.04

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