Unveiling a new aspect of oxocarbons: open-shell character of 4- and 5-membered oxocarbon derivatives showing near-infrared absorption

Takeshi Maeda, Taishi Oka, Daisuke Sakamaki, Hideki Fujiwara, Naoya Suzuki, Shigeyuki Yagi, Tatsuki Konishi, Kenji Kamada

Chemical Science   14 ( 8 )   1978 - 1985   2023.01（ ISSN:20416520 ）

Synthesis, structure, and electronic properties of a double hetero[4]helicene composed of two phenoselenazines

Daisuke Sakamaki, Yuki Inoue, Kouhei Shimomura, Daisuke Taura, Eiji Yashima, Shu Seki

Tetrahedron Letters   114   154294 - 154294   2023.01（ ISSN:0040-4039 ）

A dicyanomethyl radical stabilized by ferrocene: a new building block for radical-based dynamic covalent chemistry with redox activity

Misato Ishimoto, Daisuke Sakamaki, Hideki Fujiwara

Chemical Communications   58 ( 21 )   3553 - 3556   2022

Double Heterohelicenes Composed of Benzo[b]- and Dibenzo[b,i]phenoxazine: A Comprehensive Comparison of Their Electronic and Chiroptical Properties

Daisuke Sakamaki, Shunya Tanaka, Katsuki Tanaka, Mayu Takino, Masayuki Gon, Kazuo Tanaka, Takashi Hirose, Daichi Hirobe, Hiroshi M. Yamamoto, Hideki Fujiwara

The Journal of Physical Chemistry Letters   9283 - 9292   2021.09

Double Heterohelicenes Composed of Benzo[b]- and Dibenzo[b,i]phenoxazine: A Comprehensive Comparison of Their Electronic and Chiroptical Properties Reviewed

Daisuke Sakamaki* Daisuke Sakamaki Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Naka-ku, Sakai, Osaka 599-8531, Japan *Email: sakamaki@c.s.osakafu-u.ac.jp More by Daisuke Sakamaki, Shunya Tanaka, Katsuki Tanaka, Mayu Takino, Masayuki Gon, Kazuo Tanaka, Takashi Hirose, Daichi Hirobe, Hiroshi M. Yamamoto, Hideki Fujiwara

J. Phys. Chem. Lett. 雑誌   12   2021.09

Synthesis and Electronic Properties of Directly Linked Dihydrodiazatetracene Dimers

Katsuki Tanaka, Daisuke Sakamaki, Hideki Fujiwara

Chemistry – A European Journal   27 ( 13 )   4430 - 4438   2021.03（ ISSN:1521-3765 ）

Synthesis and Electronic Properties of Directly Linked Dihydrodiazatetracene Dimers Reviewed

Katsuki Tanaka, Daisuke Sakamaki, Hideki Fujiwara

Chemistry - A European Journal 雑誌   2021.01

Tetrathiafulvalene‐Inserted Diphenoquinone: Synthesis, Structure, and Dynamic Redox Property

Misaki Mitsuoka, Daisuke Sakamaki, Hideki Fujiwara

Chemistry – A European Journal   26 ( 62 )   14144 - 14151   2020.11

A Tetrathiafulvalene‐inserted Diphenoquinone: Synthesis, Structure and Dynamic Redox Property Reviewed

Misaki Mitsuoka, Daisuke Sakamaki, Hideki Fujiwara

Chemistry - A European Journal 雑誌   26   2020.06

Extreme Multi-Point van der Waals Interactions: Isolable Dimers of Phthalocyanines Substituted with Pillar-Like Azaacenes Reviewed

Hidenori Saeki, Daisuke Sakamaki, Hideki Fujiwara, Shu Seki

Chemical Science   10   2019.08

Formation of Cyclophane Macrocycles in Carbazole-Based Biradicaloids: Impact of the Dicyanomethylene Substitution Position Reviewed

Irene Badía-Domínguez, Andrés Pérez-Guardiola, Juan Carlos Sancho-García, Juan T. López Navarrete Víctor, Hernández Jolín, Hongxiang Li, Daisuke Sakamaki, Shu Seki, M. Carmen Ruiz Delgado

ACS Omega 雑誌   2019.03

Dicyanomethyl Radical-Based Near-Infrared Thermochromic Dyes with High Transparency in the Visible Region Reviewed

Kohei Okino, Daisuke Sakamaki, Shu Seki

ACS Matterials Letters 雑誌   2019.03

Electronic and Photophysical Properties of 9,10-Anthrylene-Bridged B-π-N Donor-Acceptor Molecules with Solid-State Emission in the Yellow to Red Region Reviewed

Masashi Uebe, Daisuke Sakamaki, Akihiro Ito

ChemPlusChem 雑誌   2019.02

Highly Fluorescent Liquid Crystals from Excited-State Intramolecular Proton Transfer Molecules Reviewed

Wanying Zhang, Tsuneaki Sakurai, Mika Aotani, Go Watanabe, Hiroyuki Yoshida, Vikas S. Padalkar, Yusuke Tsutsui, Daisuke Sakamaki, Masanori Ozaki, Shu Seki

Advanced Optical Materials   7 ( 2 )   2019.01（ eISSN:2195-1071 ）

Highly Fluorescent Liquid Crystals from Excited-State Intramolecular Proton Transfer Molecules Reviewed

Wanying Zhang, Tsuneaki Sakurai, Mika Aotani, Go Watanabe, Hiroyuki Yoshida, Vikas S. Padalkar, Yusuke Tsutsui, Daisuke Sakamaki, Masanori Ozaki, Shu Seki

Advanced Optical Materials 雑誌   2019.01

Formation of Cyclophane Macrocycles in Carbazole-Based Biradicaloids: Impact of the Dicyanomethylene Substitution Position Reviewed

Bad{\'i}a-Dom{\'i}nguez I, P{\'e}rez-Guardiola A, Sancho-Garc{\'i}a J.C, L{\'o}pez, Navarrete J.T, Hern{\'a}ndez Jol{\'i}n V, Li H, Sakamaki D, Seki S, Ruiz Delgado M

ACS Omega   4 ( 3 )   4761 - 4769   2019

Extreme multi-point van der Waals interactions: isolable dimers of phthalocyanines substituted with pillar-like azaacenes

Hidenori Saeki, Daisuke Sakamaki, Hideki Fujiwara, Shu Seki

Chemical Science   2019

Electronic and Photophysical Properties of 9,10-Anthrylene-Bridged B-π-N Donor-Acceptor Molecules with Solid-State Emission in the Yellow to Red Region Reviewed

Uebe M, Sakamaki D, Ito A

ChemPlusChem   2019

Comparison of radical generation efficiencies of the oxime-based initiator radicals using galvinoxyl radical as an indicator Reviewed

Asuka Tsuneishi, Daisuke Sakamaki, Qi Gao, Takayuki Shoda, Takahiro Kozawa, Shu Seki

Japanese Journal of Applied Physics 雑誌   2018.07

Landscape of Charge Carrier Transport in Doped Poly(3-hexylthiophene): Noncontact Approach Using Ternary Combined Dielectric, Paramagnetic, and Optical Spectroscopies Reviewed

Yusuke Tsutsui, Haruka Okamoto, Daisuke Sakamaki, Kazunori Sugiyasu, Masayuki Takeuchi, Shu Seki

Journal of Physical Chemistry Letters 雑誌   2018.06

High pressure synthesis of hydride-fluoride pyrochlore NaCaMg2 F7 1x Hx Reviewed

Kazunari Arai, Yoji Kobayashi, Ya Tang, Yusuke Tsutsui, Daisuke Sakamaki, Takafumi Yamamoto, Kotaro Fujii, Masatomo Yashima, Shu Seki, Hiroshi Kageyama

Chemistry Letters 雑誌   2018.04

Hash-Mark-Shaped Azaacene Tetramers with Axial Chirality Reviewed

Yuki Inoue, Daisuke Sakamaki, Yusuke Tsutsui, Masayuki Gon, Yoshiki Chujo, Shu Seki

Journal of the American Chemical Society 雑誌   2018.03

Synthesis and properties of a twin donor molecule composed of cofacially stacked dihydrodiazapentacenes Reviewed

Daisuke Sakamaki, Hidenori Saeki, Shu Seki

Materials Chemistry Frontiers 雑誌   2018.01

Unique cohesive nature of the β 1 -isomer of [70]PCBM fullerene on structures and photovoltaic performances of bulk heterojunction films with PffBT4T-2OD polymers Reviewed

Tomokazu Umeyama, Kensho Igarashi, Daisuke Sakamaki, Shu Seki, Hiroshi Imahori

Chemical Communications 雑誌   2017.12

The Divergent Dimerization Behavior of N-Substituted Dicyanomethyl Radicals: Dynamically Stabilized versus Stable Radicals Reviewed

Kohei Okino, Shota Hira, Yuki Inoue, Daisuke Sakamaki, Shu Seki

Angewandte Chemie - International Edition 雑誌   2017.12

Tetraaza[14 ]- and Octaaza[18 ]paracyclophane: Synthesis and Characterization of Their Neutral and Cationic States Reviewed

Daisuke Sakamaki, Akihiro Ito, Yusuke Tsutsui, Shu Seki

Journal of Organic Chemistry 雑誌   2017.11

Supramolecular assemblies of a nitrogen-embedded buckybowl dimer with C60 Reviewed

Hiroki Yokoi, Satoru Hiroto, Daisuke Sakamaki, Shu Seki, Hiroshi Shinokubo

Chemical Science 雑誌   2017.11

Optical and Structural Properties of ESIPT Inspired HBT-Fluorene Molecular Aggregates and Liquid Crystals Reviewed

Vikas S. Padalkar, Yusuke Tsutsui, Tsuneaki Sakurai, Daisuke Sakamaki, Norimitsu Tohnai, Kenichi Kato, Masaki Takata, Tomoyuki Akutagawa, Ken-ichi Sakai, Shu Seki

Journal of Physical Chemistry B 雑誌   2017.10

Recognizing Through-Bond and Through-Space Self-Exchange Charge/Spin Transfer Pathways in Bis(triarylamine) Radical Cations with Similar Geometrical Arrangements Reviewed

Masashi Uebe, Tatsuya Kazama, Ryohei Kurata, Daisuke Sakamaki, Akihiro Ito

Angewandte Chemie - International Edition 雑誌   2017.09

Isolable Triradical Trication of Hexaaza[16]paracyclophane with Embedded 9,10-Anthrylenes: A Frustrated Three-Spin System Reviewed

Ryohei Kurata, Daisuke Sakamaki, Masashi Uebe, Mariko Kinoshita, Tetsuo Iwanaga, Takashi Matsumoto, Akihiro Ito

Organic Letters 雑誌   2017.08

Modulation of Open-shell Characters of Amine-inserted Diphenoquinones via Structural Modification Reviewed

Yuya Matsuta, Daisuke Sakamaki, Ryohei Kurata, Akihiro Ito, Shu Seki

Chemistry - An Asian Journal 雑誌   2017.08

Tetraaza[1.1.1.1]m,p,m,p-cyclophane Diradical Dications Revisited: Tuning Spin States by Confronted Arenes Reviewed

Ryohei Kurata, Daisuke Sakamaki, Akihiro Ito

Organic Letters 雑誌   2017.06

Tuning of open-shell characters of a terphenoquinone by introducing a benzodithiophene unit Reviewed

Hiroshi Tomita, Daisuke Sakamaki, Mariko Noguchi, Motohiro Nakano, Shu Seki

Chemistry Letters 雑誌   2017.03

AIE Active Carbazole-Benzothiazole Based ESIPT Motifs: Positional Isomers Directing the Optical and Electronic Properties Reviewed

Vikas S. Padalkar, Kenji Kuwada, Daisuke Sakamaki, Norimitsu Tohnai, Tomoyuki Akutagawa, Ken‐ichi Sakai, Tsuneaki Sakurai, Shu Seki

ChemistrySelect 雑誌   2017.02

Enhancing the low-energy absorption band and charge mobility of antiaromatic Ni II norcorroles by their substituent effects Reviewed

Takuya Yoshida, Daisuke Sakamaki, Shu Seki, Hiroshi Shinokubo

Chemical Communications 雑誌   2016.12

π–π Interactions: Influence on Molecular Packing and Solid-State Emission of ESIPT and non-ESIPT Motifs Reviewed

Vikas S. Padalkar, Daisuke Sakamaki, Kenji Kuwada, Akifumi Horio, Haruka Okamoto, Norimitsu Tohnai, Tomoyuki Akutagawa, Ken‐ichi Sakai, Shu Seki

Asian Journal of Organic Chemistry 雑誌   2016.07

Fabrication of fluorescent nanowires via high-energy particles-triggered polymerization reactions Reviewed

Akifumi Horio, Tsuneaki Sakurai, Vikas S. Padalkar, Daisuke Sakamaki, Tetsuya Yamaki, Masaki Sugimoto, Shu Seki

Journal of Photopolymer Science and Technology 雑誌   2016.06

Fabrication of ""clickable"" Polyfluorene Nanowires with High Aspect Ratio as Biological Sensing Platforms Reviewed

Tuchinda Wasin, Kazuyuki Enomoto, Tsuneaki Sakurai, Vikas S. Padalkar, Hoi Lok Cheng, Michael T. Tang, Akifumi Horio, Daisuke Sakamaki, Masaaki Omichi, Akinori Saeki, Kazuya Kikuchi, Yuichiro Hori, Atsuya Chiba, Yuichi Saito, Tomihiro Kamiya, Masaki Sugimoto, Shu Seki

ACS Sensors 雑誌   2016.05

Ferrocene-Substituted Naphthalenediimide with Broad Absorption and Electron-Transport Properties in the Segregated-Stack Structure Reviewed

Atsuro Takai, Daisuke Sakamaki, Shu Seki, Yoshitaka Matsushita, Masayuki Takeuchi

Chemistry - A European Journal 雑誌   2016.05

AIE active triphenylamine-benzothiazole based motifs: ESIPT or ICT emission Reviewed

Vikas S. Padalkar, Daisuke Sakamaki, Kenji Kuwada, Norimitsu Tohnai, Tomoyuki Akutagawa, Ken-ichi Sakai, Shu Seki

RSC Advances 雑誌   2016.03

Fully-substituted 1,3-butadienes as π-conjugated linkers between pyrenes Reviewed

Kazuma Oda, Satoru Hiroto, Daisuke Sakamaki, Shu Seki, Hiroshi Shinokubo

Chemistry Letters 雑誌   2016.01

N-Substituted Dicyanomethylphenyl Radicals: Dynamic Covalent Properties and Formation of Stimuli-Responsive Cyclophanes by Self-Assembly Reviewed

Toshiyuki Kobashi, Daisuke Sakamaki, Shu Seki

Angewandte Chemie - International Edition 雑誌   2016.01

Synthesis and Characterization of 6,13-Diamino-Substituted Pentacenes Reviewed

Akihiro Ito, Masashi Uebe, Kazuki Takahashi, Hiroshi Ishikawa, Daisuke Sakamaki, Hiroyasu Sato, Takashi Matsumoto, Kazuyoshi Tanaka

Chemistry - A European Journal 雑誌   2016.01

Diversity-oriented synthesis of tetrathia[8]circulenes by sequential C-H borylation and annulation Reviewed

Shohei Kato, Yuma Serizawa, Daisuke Sakamaki, Shu Seki, Yoshihiro Miyake, Hiroshi Shinokubo

Chemical Communications 雑誌   2015.09

Highly emissive excited-state intramolecular proton transfer (ESIPT) inspired 2-(2′-hydroxy)benzothiazole-fluorene motifs: Spectroscopic and photophysical properties investigation Reviewed

Vikas S. Padalkar, Daisuke Sakamaki, Norimitsu Tohnai, Tomoyuki Akutagawa, Ken-ichi Sakai, Shu Seki

RSC Advances 雑誌   2015.09

A double hetero[4]helicene composed of two phenothiazines: Synthesis, structural properties, and cationic states Reviewed

Daisuke Sakamaki, Daisuke Kumano, Eiji Yashima, Shu Seki

Chemical Communications 雑誌   2015.08

A Triphenylamine with Two Phenoxy Radicals Having Unusual Bonding Patterns and a Closed-Shell Electronic State Reviewed

Daisuke Sakamaki, Soichiro Yano, Toshiyuki Kobashi, Shu Seki, Takuya Kurahashi, Seijiro Matsubara, Akihiro Ito, Kazuyoshi Tanaka

Angewandte Chemie - International Edition 雑誌   2015.06

Nitrogen-embedded buckybowl and its assembly with C60 Reviewed

Hiroki Yokoi, Yuya Hiraoka, Satoru Hiroto, Daisuke Sakamaki, Shu Seki, Hiroshi Shinokubo

Nature Communications 雑誌   2015.04

A facile and versatile approach to double N-heterohelicenes: Tandem oxidative C-N couplings of N-heteroacenes via cruciform Dimers Reviewed

Daisuke Sakamaki, Daisuke Kumano, Eiji Yashima, Shu Seki

Angewandte Chemie - International Edition 雑誌   2015.04

Reversible Control of Radius and Morphology of Fluorene-Azobenzene Copolymer Nanowires by Light Exposure Reviewed

Hoi Lok Cheng, Michael T. Tang, Wasin Tuchinda, Kazuyuki Enomoto, Atsuya Chiba, Yuichi Saito, Tomihiro Kamiya, Masaki Sugimoto, Akinori Saeki, Tsuneaki Sakurai

Advanced Materials Interfaces 雑誌   2015.01

A simple and rapid method for high-resolution visualization of single-ion tracks Reviewed

Masaaki Omichi, Wookjin Choi, Daisuke Sakamaki, Satoshi Tsukuda, Masaki Sugimoto4, Shu Seki

AIP Advances 雑誌   2014.11

Electronic structure of tetraaza[1.1.1.1]o,p,o,p-cyclophane and its oxidized states Reviewed

Daisuke Sakamaki, Akihiro Ito, Takashi Matsumoto, Kazuyoshi Tanaka

RSC Advances 雑誌   2014.08

Fabrication of enzyme-degradable and size-controlled protein nanowires using single particle nano-fabrication technique Reviewed

Masaaki Omichi, Atsushi Asano, Satoshi Tsukuda, Katsuyoshi Takano, Masaki Sugimoto, Akinori Saeki, Daisuke Sakamaki, Akira Onoda, Takashi Hayashi, Shu Seki

Nature Communications 雑誌   2014.04

Redox modulation of para -phenylenediamine by substituted nitronyl nitroxide groups and their spin states Reviewed

Akihiro Ito, Ryohei Kurata, Daisuke Sakamaki, Soichiro Yano, Yosuke Kono, Yoshiaki Nakano, Ko Furukawa, Tatsuhisa Kato, Kazuyoshi Tanaka

Journal of Physical Chemistry A 雑誌   2013.11

Meta - Para -linked octaaza[18 ]cyclophanes and their polycationic states Reviewed

Daisuke Sakamaki, Akihiro Ito, Ko Furukawa, Tatsuhisa Kato, Kazuyoshi Tanaka

Journal of Organic Chemistry 雑誌   2013.03

Effects of carbon-metal-carbon linkages on the optical, photophysical, and electrochemical properties of phosphametallacycle-linked coplanar porphyrin dimers Reviewed

Yoshihiro Matano, Kazuaki Matsumoto, Hironobu Hayashi, Yoshihide Nakao, Tatu Kumpulainen, Vladimir Chukharev, Nikolai V. Tkachenko, Helge Lemmetyinen, Soji Shimizu, Nagao Kobayashi, Daisuke Sakamaki, Akihiro Ito, Kazuyoshi Tanaka, Hiroshi Imahor

Journal of the American Chemical Society 雑誌   2012.12

A polymacrocyclic oligoarylamine with a pseudobeltane motif: Towards a cylindrical multispin system Reviewed

Daisuke Sakamaki, Akihiro Ito, Ko Furukawa, Tatsuhisa Kato, Motoo Shiro, Kazuyoshi Tanaka

Angewandte Chemie - International Edition 雑誌   2012.10

A triphenylamine double-decker: From a delocalized radical cation to a diradical dication with an excited triplet state Reviewed

Yuichiro Yokoyama, Daisuke Sakamaki, Akihiro Ito, Kazuyoshi Tanaka, Motoo Shiro

Angewandte Chemie - International Edition 雑誌   2012.09

1,3,5-Benzenetriamine double- and triple-decker molecules Reviewed

Daisuke Sakamaki, Akihiro Ito, Kazuyoshi Tanaka, Ko Furukawa, Tatsuhisa Kato, Motoo Shiro

Angewandte Chemie - International Edition 雑誌   2012.08

Fusion of phosphole and 1,1′-biacenaphthene: Phosphorus(V)-containing extended π-systems with high electron affinity and electron mobility Reviewed

Yoshihiro Matano, Arihiro Saito, Tatsuya Fukushima, Yasuaki Tokudome, Furitsu Suzuki, Daisuke Sakamaki, Hironori Kaji, Akihiro Ito, Kazuyoshi Tanaka, Hiroshi Imahori

Angewandte Chemie - International Edition 雑誌   2011.08

Spin-delocalization in charged states of para-phenylene-linked dendritic oligoarylamines Reviewed

Akihiro Ito, Daisuke Sakamaki, Yusuke Ichikawa, Kazuyoshi Tanaka

Chemistry of Materials 雑誌   2010.12

Polycationic states of oligoanilines based on Wurster's blue Reviewed

Akihiro Ito, Daisuke Sakamaki, Haruhiro Ino, Aya Taniguchi, Yasukazu Hirao, Kazuyoshi Tanaka, Katsuichi Kanemoto, Tatsuhisa Kato

European Journal of Organic Chemistry 雑誌   2009.08

High-spin polycationic states of an alternate meta-para-linked oligoarylamine incorporating two macrocycles Reviewed

Daisuke Sakamaki, Akihiro Ito, Ko Furukawa, Tatsuhisa Kato, Kazuyoshi Tanaka

Chemical Communications 雑誌   2009.06

シングレットビラジカル性を有する窒素置換多環芳香族炭化水素の合成と電子物性

Grant-in-Aid for Young Scientists(B)  2014

化学特別演習1A

2024   Intensive lecture   Graduate school

化学特別研究2A

2024   Intensive lecture   Graduate school

化学特別演習4A

2024   Intensive lecture   Graduate school

化学特別演習3A

2024   Intensive lecture   Graduate school

化学特別研究5A

2024   Intensive lecture   Graduate school

化学特別研究4A

2024   Intensive lecture   Graduate school

化学特別研究3A

2024   Intensive lecture   Graduate school

化学特別演習5A

2024   Intensive lecture   Graduate school

基礎化学実験

2024   Weekly class   Graduate school

化学実験Ⅱ

2024   Weekly class   Undergraduate

化学実験Ⅰ

2024   Weekly class   Undergraduate

研究企画ゼミナール

2023   Intensive lecture   Graduate school

物理化学特論A

2023   Weekly class   Graduate school

化学特別演習2B

2023   Intensive lecture   Graduate school

化学特別演習1B

2023   Intensive lecture   Graduate school

化学特別研究2B

2023   Intensive lecture   Graduate school

化学特別研究1B

2023   Intensive lecture   Graduate school

化学特別演習4B

2023   Intensive lecture   Graduate school

化学特別演習3B

2023   Intensive lecture   Graduate school

化学特別研究4B

2023   Intensive lecture   Graduate school

化学特別研究3B

2023   Intensive lecture   Graduate school

Laboratory Chemistry

2021   Practical Training  

Chemistry Laboratory II

2021   Practical Training  

Chemistry Laboratory I

2021   Practical Training