業績
2022
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10
Sterically Hindered Stiff-Stilbene Photoswitch Offers Large Motions, 90% Two-Way Photoisomerization, and High Thermal Stability Keiichi Imato*, Ayane Sasaki, Akira Ishii, Taichi Hino, Naoki Kaneda, Kazuki Ohira, Ichiro Imae, Yousuke Ooyama* J. Org. Chem., in press. |
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9
Elucidation of a detection mechanism of a fluorescent sensor based on photo-induced electron transfer for water Takuma Fumoto, Keiichi Imato, Yousuke Ooyama* New J. Chem. 2022, 46, 21037-21046.Selected as Front Cover  |
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8
Photoswitchable Adhesives of Spiropyran Polymers Keiichi Imato*, Koki Momota, Naoki Kaneda, Ichiro Imae, Yousuke Ooyama* Chem. Mater. 2022, 34, 8289-8296. |
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7
Fluorescent polymer films based on photo-induced electron transfer for visualizing water Saori Miho, Keiichi Imato*, Yousuke Ooyama* RSC Adv. 2022, 12, 25687-25696. |
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6
Synthesis, optical and electrochemical properties of (D–π)2-type and (D–π)2Ph-type fluorescent dyes Kosuke Takemura, Kazuki Ohira, Taiki Higashino, Keiichi Imato, Yousuke Ooyama* Beilstein J. Org. Chem. 2022, 18, 1047-1054. |
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5
Facile silicon/graphene composite synthesis method for application in lithium-ion batteries Ichiro Imae*, Kohei Yukinaga, Keiichi Imato, Yousuke Ooyama, Yuta Kimura Ceram. Int. 2022, 48, 25439-25444. |
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4
Fluorescent Sensors for Water Yousuke Ooyama Sustainable and Functional Redox Chemistry 2022, RSC, 300-330. |
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3
Tetraphenylethene–anthracene-based fluorescence emission sensor for detection of water with photo-induced electron transfer and aggregation-induced emission characteristics Emiko Nishimoto, Yuta Mise, Takuma Fumoto, Saori Miho, Nao Tsunoji, Keiichi Imato, Yousuke Ooyama* New J. Chem. 2022, 46, 12474-12481.Selected as Front Cover  |
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2
Mechanofluorochromism of (D–π–)2A-type azine-based fluorescent dyes Kosuke Takemura, Keiichi Imato, Yousuke Ooyama* RSC Adv. 2022, 12, 13797-13809. |
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1
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2021
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17
Development of highly sensitive fluorescent sensor and fluorescent sensor-doped polymer films for trace amounts of water based on photo-induced electron transfer Saori Miho, Takuma Fumoto, Yuta Mise, Keiichi Imato, Seiji Akiyama, Mio Ishida, Yousuke Ooyama* Mater. Adv. 2021, 2, 7662-7670.Selected as Back Cover  |
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16
Development of 4,4'-bibenzo[c]thiophene fluorophores with substituents on the thiophene rings Kotaro Obayashi, Saori Miho, Masataka Yasui, Keiichi Imato, Seiji Akiyama, Mio Ishida, Yousuke Ooyama* New J. Chem. 2021, 45, 17085-17094.Selected as Front Cover  |
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15
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14
Synthesis, Optical and Electrochemical Properties of Benzofuro[2,3-c]carbazoloquinol Fluorescent Dyes Yousuke Ooyama*, Kazuki Ohira, Yusuke Kagawa, Keiichi Imato Electrochemistry 2021, 89, 562-566. |
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13
Thermoelectric properties of PEDOT:PSS/SWCNT composite films with controlled carrier density Ichiro Imae*, Haruka Yamane, Keiichi Imato, Yousuke Ooyama Compos. Commun. 2021, 27, 100897. |
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12
Synthesis, photophysical and electrochemical properties of 1,1',3,3'-tetrasubstituted-4,4'-bibenzo[c]thiophene derivative with different substituents on the thiophene rings Kotaro Obayashi, Taiki Higashino, Keiichi Imato, Yousuke Ooyama* New J. Chem. 2021, 45, 13258-13261.Selected as Front Cover  |
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11
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10
Photoenergy Conversion (Dye-Sensitized Solar Cells) Yousuke Ooyama Progress in the Science of Functional Dyes 2021, Springer, 469-540. |
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9
Photodynamic Therapy Keiichi Imato, Yousuke Ooyama* Progress in the Science of Functional Dyes 2021, Springer, 445-467. |
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8
Novel group 14 element-bridged bithiophene dimers appended with terminal electron-withdrawing groups: Red-to-near infrared fluorescence and efficient photosensitized singlet oxygen generation Yuichiro Hayashi, Ami Morimoto, Ayaka Ban, Yusuke Goto, Maeda Takeshi, Toshiaki Enoki, Yousuke Ooyama, Shigeyuki Yagi* Dyes Pigm. 2021, 193, 109498. |
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7
Organohalogenochromism (OHC) of Dyes: D-π-A Pyrazinium Dye Taiki Higashino, Yousuke Ooyama* Chem. Lett. 2021, 50, 1530-1533. |
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6
Development of phenazine-2,3-diol-based photosensitizers: effect of formyl groups on singlet oxygen generation Kazuki Ohira, Keiichi Imato, Yousuke Ooyama* Mater. Chem. Front. 2021, 5, 5298-5304.Selected as Front Cover  |
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5
Synthesis, optical and electrochemical properties of 4,4'-bibenzo[c]thiophene derivatives Kotaro Obayashi, Keiichi Imato, Satoshi Aoyama, Toshiaki Enoki, Seiji Akiyama, Mio Ishida, Seiji Suga, Koichi Mitsudo, Yousuke Ooyama* RSC Adv. 2021, 11, 18870-18880. |
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4
Polymer films doped with fluorescent sensor for moisture and water droplet based on photo-induced electron transfer Takuma Fumoto, Saori Miho, Yuta Mise, Keiichi Imato, Yousuke Ooyama* RSC Adv. 2021, 11, 17046-17050. |
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3
Fluorescence sensors for detection of water based on tetraphenylethene–anthracene possessing both solvatofluorochromic properties and aggregation-induced emission (AIE) characteristics Yuta Mise, Keiichi Imato, Takashi Ogi, Nao Tsunoji, Yousuke Ooyama* New J. Chem. 2021, 45, 4164-4173.Selected as Back Cover  |
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2
Synthesis of novel π-extended D–A–D-type dipyrido[3,2-a:2′,3′-c]phenazine derivatives and their photosensitized singlet oxygen generation Yuichiro Hayashi, Ami Morimoto, Takeshi Maeda, Toshiaki Enoki, Yousuke Ooyama, Yasunori Matsui, Hiroshi Ikeda, Shigeyuki Yagi* New J. Chem. 2021, 45, 2264-2275. |
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1
Diversification of Conjugated Polymers via Postpolymerization Nucleophilic Aromatic Substitution Reactions with Sulfur-, Oxygen-, and Nitrogen-Based Nucleophiles Naoki Shida, Kazuyuki Ninomiya, Natsuki Takigawa, Keiichi Imato, Yousuke Ooyama, Ikuyoshi Tomita, Shinsuke Inagi* Macromolecules 2021, 54, 725-735. |
2020
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7
Investigation of organic thermoelectric materials using potential‐step chronocoulometry: Effect of polymerization methods on thermoelectric properties of poly(3-hexylthiophene) Ichiro Imae*, Ryosuke Akazawa, Yousuke Ooyama, Yutaka Harima J. Polym. Sci. 2020, 58, 3004-3008.Selected as Front Cover  |
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6
Thermoelectric properties of poly(3,4-ethylenedioxythiophene) with fluorine-containing polyanion as dopant Ichiro Imae*, Tatsunari Goto, Yousuke Ooyama, Yutaka Harima Polymer 2020, 199, 122538. |
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5
Development of optical sensor for water in acetonitrile based on propeller-structured BODIPY-type pyridine-boron trifluoride complex Shuhei Tsumura, Kazuki Ohira, Keiichi Imato*, Yousuke Ooyama* RSC Adv. 2020, 10, 33836-33843. |
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4
Synthesis, optical and electrochemical properties of propeller-type 3,5,8-trithienyl-BODIPY dyes Shuhei Tsumura, Kazuki Ohira, Kosuke Hashimoto, Keiichi Imato*, Yousuke Ooyama* Mater. Chem. Front. 2020, 4, 2762-2771. |
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3
Development of Fluorescent Sensors Based on a Combination of PET (Photo-induced Electron Transfer) and FRET (Förster Resonance Energy Transfer) for Detection of Water Daisuke Jinbo, Kazuki Ohira, Keiichi Imato, Yousuke Ooyama* Mater. Adv. 2020, 1, 354-362.Selected as Back Cover  |
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2
Highly Efficient Singlet Oxygen Generation and High Oxidation Resistance Enhanced by Arsole-Polymer-Based Photosensitizer: Application as a Recyclable Photooxidation Catalyst Susumu Tanaka, Toshiaki Enoki, Hiroaki Imoto, Yousuke Ooyama, Joji Ohshita, Takuji Kato, Kensuke Naka* Macromolecules 2020, 53, 2006-2013. |
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1
Phenazine-based Photosensitizers for Singlet Oxygen Generation Keiichi Imato, Kazuki Ohira, Masakuni Yamaguchi, Toshiaki Enoki, Yousuke Ooyama* Mater. Chem. Front. 2020, 4, 589-596. |
2019
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12
色素増感太陽電池用色素の変遷 今任 景一, 大山 陽介 光化学 2019, 50, 169-176. |
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11
Direct comparison of dithienosilole and dithienogermole as π-conjugated linkers in photosensitizers for dye-sensitized solar cells Yohei Adachi, Taishi Nabeya, Takanori Nomura, Keisuke Kondo, Keigo Kawakami, Yousuke Ooyama, Joji Ohshita* Dalton Trans. 2019, 48, 16671-16678. |
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10
Development of an Intramolecular Charge Transfer-type Colorimetric and Fluorescence Sensor for Water by Fusion with a Juloidine Structure and Complexation with Boron Trifluoride Keiichi Imato, Toshiaki Enoki, Yousuke Ooyama* RSC Adv. 2019, 9, 31466-31473. |
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9
Synthesis, Photophysical and Electrochemical Properties of Pyridine, Pyrazine and Triazine-based (D–π–)2A Fluorescent Dyes Keiichi Imato, Toshiaki Enoki, Koji Uenaka, Yousuke Ooyama* Beilstein J. Org. Chem. 2019, 15, 1712-1721.Invited Article  |
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8
Fluorescent Sensor for Water Based on Photo-induced Electron Transfer and Förster Resonance Energy Transfer: Anthracene-(aminomethyl)phenylboronic Acid Ester-BODIPY Structure Daisuke Jinbo, Keiichi Imato, Yousuke Ooyama* RSC Adv. 2019, 9, 15335-15340.Selected as Editors' Collection focusing on Fluorescent Sensors in 2019  |
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7
Synthesis of Pyridinothienogermoles as Unsymmetrically Condensed Germoles Joji Ohshita*, Michitaka Sugino, Yousuke Ooyama, Yohei Adachi Organometallics 2019, 38, 1606-1613. |
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6
Synthesis, Properties, and Complex Formation of Antimony- and Bismuth-Bridged Bipyridyls Joji Ohshita*, Kosuke Yamaji, Yousuke Ooyama, Yohei Adachi, Masashi Nakamura, Seiji Watase Organometallics 2019, 38, 1516-1523. |
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5
Colorimetric and Ratiometric Fluorescence Sensing of Water Based on 9-Methyl Pyrido[3,4-b]indole-boron Trifluoride Complex Toshiaki Enoki, Yousuke Ooyama* Dalton Trans. 2019, 48, 2086-2092. |
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4
Preparation and Reactions of 4,4-Dilithiodithienogermole Jun Hyun Song, Taishi Nabeya, Yohei Adachi, Yousuke Ooyama, Joji Ohshita* J. Organomet. Chem. 2019, 883, 47-51. |
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3
Seebeck Coefficients of Poly(3,4-ethylenedioxythiophene):Poly(styrene sulfonate) Correlated with Oxidation Levels Ichiro Imae*, Mengyan Shi, Yousuke Ooyama, Yutaka Harima J. Phys. Chem. C 2019, 123, 4002-4006. |
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2
Hydrophobic Modification of SiO2 Surface with Disilanobiphenyl and Disilanobithiophene and the Application to Pentacene-based Organic Transistors Hidekazu Arase, Takashi Kai, Seiichi Taniguchi, Yohei Adachi, Yousuke Ooyama, Takuya Mori, Maki Yanase, Shinjiro Hayakawa, Yoshihito Kunugi, Joji Ohshita* Composite Interfaces 2019, 26, 221-231. |
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1
Hydrophobic Modification of SiO2 Surface by Aminosilane Derivatives Hidekazu Arase, Keiichi Taniguchi, Takashi Kai, Kazuya Murakami, Yohei Adachi, Yousuke Ooyama, Yoshihito Kunugi, Joji Ohshita* Composite Interfaces 2019, 26, 15-25. |
2018
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11
機能性色素のレドックス制御 大山 陽介 化学工業 2018, 69, 799-806. |
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10
微量水分を検出・定量・可視化できる蛍光性水センサー 大山 陽介 加工技術 2018, 53, 301-307. |
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9
Mechanofluorochromism of D-π-A Fluorescent Dyes Yousuke Ooyama J. Synth. Org. Chem. Jpn.（有機合成化学協会誌）2018, 76, 1024-1041. |
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8
Synthesis and Photophysical and Electrochemical Properties of Structural Isomers of Pyrazine-based D-π-A-π-D Fluorescent Dyes Toshiaki Enoki, Joji Ohshita, Yousuke Ooyama* Bull. Chem. Soc. Jpn. 2018, 91, 1704-1709. |
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7
A Colorimetric and Fluorescent Sensor for Water in Acetonitrile Based on Intramolecular Charge Transfer: D–(π–A)2-type Pyridine–boron Trifluoride Complex Shuhei Tsumura, Toshiaki Enoki, Yousuke Ooyama* Chem. Commun. 2018, 54, 10144-10147. |
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6
Optical and Photosensitizing Properties of Spiro(dipyridinogermole)(dithienogermole)s with Eletron‐donating Amino and Electron‐withdrawing Pyridinothiadiazole Substituents Joji Ohshita*, Yuya Hayashi, Yohei Adachi, Toshiaki Enoki, Kosuke Yamaji, Yousuke Ooyama ChemistrySelect 2018, 3, 8604-8609. |
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5
Tetraphenylethene– and Diphenyldibenzofulvene–anthracene-based Fluorescence Sensors Possessing Photo-induced Electron Transfer and Aggregation-induced Emission Enhancement Characteristics for Detection of Water Yousuke Ooyama*, Rizumu Sagisaka, Toshiaki Enoki, Nao Tsunoji, Joji Ohshita* New J. Chem. 2018, 42, 13339-13350. |
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4
Fluorescent Sensors for a Trace Amount of Water Yousuke Ooyama* J. Jpn. Soc. Colour Mater.（色材協会誌）2018, 91, 17-23. |
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3
Hybrid Conjugated Polymers with Alternating Dithienosilole or Dithienogermole and Tricoordinate Boron Units Yohei Adachi, Yousuke Ooyama, Yi Ren, Xiaodong Yin, Frieder Jäkle*, Joji Ohshita* Polym. Chem. 2018, 9, 291-299. |
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2
Modification of TiO2 Surface by Disilanylene Polymers and Application to Dye-Sensitized Solar Cells Yohei Adachi, Daiki Tanaka, Yousuke Ooyama, Joji Ohshita* Inorganics 2018, 6, 3. |
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1
Mitochondria‐targeting Polyamine–protoporphyrin Conjugates for Photodynamic Therapy Fargol Taba, Akira Onoda*, Urara Hasegawa, Toshiaki Enoki, Yousuke Ooyama, Joji Ohshita, Takashi Hayashi* ChemMedChem 2018, 13, 15-19.Selected as Front Cover  |
2017
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16
Expression of Fluorescence Properties by Self-PET (Photo-induced Electron Transfer) Suppression Both in Solution and in the Solid State Yousuke Ooyama*, Michitaka Suginoa, Joji Ohshita* New J. Chem. 2017, 41, 13215-13218. |
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15
Development of a Dual‐fluorescence Emission Sensor Based on Photo‐induced Electron Transfer and Aggregation‐induced Emission Enhancement for Detection of Water Yousuke Ooyama*, Ryosuke Nomura, Toshiaki Enoki, Rizumu Sagisaka, Nao Tsunoji, Joji Ohshita ChemistrySelect 2017, 2, 7765-7770. |
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14
Synthesis and Optical and Electrochemical Properties of a Phenanthrodithiophene (Fused-bibenzo[c]thiophene) Derivative Yousuke Ooyama*, Toshiaki Enoki, Satoshi Aoyama, Joji Ohshita* Org. Biomol. Chem. 2017, 15, 7302-7307. |
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13
Preparation of Branched Molecules by Regioselective Hydrosilation of Tetrakis(ethynyldimethylsilyl)silanes and Some of Their Properties Akinobu Naka*, Akira Okamoto, Mao Noguchi, Toshiaki Enoki, Joji Ohshita, Yousuke Ooyama, Mitsuo Ishikawa J. Organomet. Chem. 2017, 846, 360-366. |
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12
Photovoltaic Performances of Type-II Dye-sensitized Solar Cells Based on Catechol Dye Sensitizers: Retardation of Back-electron Transfer by PET (Photo-induced Electron Transfer) Yousuke Ooyama*, Kosuke Yamaji, Joji Ohshita* Mater. Chem. Front. 2017, 1, 2243-2255. |
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11
Aggregation-induced Emission (AIE) Characteristic of Water-soluble Tetraphenylethene (TPE) Bearing Four Sulfonate Salts Yousuke Ooyama*, Michitaka Sugino, Toshiaki EnoKi, Kazuki Yamamoto, Nao Tsunoji, Joji Ohshita* New J. Chem. 2017, 41, 4747-4749. |
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10
Ligand‐free Copper‐catalyzed Cyano‐ and Alkynylstannylation of Arynes Hiroto Yoshida*, Teruhiko Kubo, Hitoshi Kuriki, Itaru Osaka, Ken Takaki, Yousuke Ooyama ChemistrySelect 2017, 2, 3212-3215.Selectes as Cover Picture  |
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9
Development of an Intramolecular Charge Transfer-type Colorimetric and Fluorescence Sensor for Water by Fusion with a Juloidine Structure and Complexation with Boron Trifluoride Fei‐Bao Zhang, Yousuke Ooyama, Joji Ohshita* ChemistrySelect 2017, 2, 3106-3109. |
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8
Singlet Oxygen Generation Properties of an Inclusion Complex of Cyclic Free-base Porphyrin Dimer and Fullerene C60 Yousuke Ooyama*, Toshiaki Enoki, Joji Ohshita, Takuya Kamimura, Shuwa Ozako, Taro Koide, Fumito Tani* RSC Adv. 2017, 7, 18690-18695. |
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7
Studies on Spherically Distributed LUMO and Electron-accepting Properties of Caged Hexakis(germasesquioxanes) Joji Ohshita*, Toshiyuki Tsuchida, Kenji Komaguchi, Kazuki Yamamoto, Yohei Adachi, Yousuke Ooyama, Yutaka Harima, Kazuyoshi Tanaka Organometallics 2017, 36, 2536-2540. |
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6
Synthesis of Dithienogermole-containing Polythiophenes Joji Ohshita*, Yohei Adachi, Rizumu Sagisaka, Makoto Nakashima, Yousuke Ooyama, Yoshihito Kunugi Synth. Met. 2017, 227, 87-92. |
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5
Synthesis, Optical and Electrochemical Properties, and Photovoltaic Performance of a Panchromatic and Near-infrared (D)2–π–A Type BODIPY Dye with Pyridyl Group or Cyanoacrylic Acid Yousuke Ooyama*, Masahiro Kanda, Toshiaki EnoKi, Yohei Adachia, Joji Ohshita* RSC Adv. 2017, 7, 13072-13081. |
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4
Preparation of Dithienogermole-containing Polysilsesquioxane Films for Sensing Nitroaromatics Masashi Nakamura, Kenta Shigeoka, Yohei Adachi, Yousuke Ooyama, Seiji Watase, Joji Ohshita* Chem. Lett. 2017, 46, 438-441. |
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3
Synthesis and Optical and Electrochemical Properties of Julolidine-structured Pyrido[3,4-b]indole Dye Toshiaki Enoki, Keishi Matsuo, Joji Ohshita*, Yousuke Ooyama* Phys. Chem. Chem. Phys. 2017, 19, 3565-3574. |
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2
Dithienogermole-containing D–π–A–π–A Photosensitizers for Dye-sensitized Solar Cells Yohei Adachi, Yousuke Ooyama, Naoyuki Shibayama, Joji Ohshita* Chem. Lett. 2017, 46, 310-312. |
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1
Water-tunable Solvatochromic and Nanoaggregate Fluorescence: Dual Colour Visualisation and Quantification of Trace Water in Tetrahydrofuran Masaru Tanioka, Shinichiro Kamino*, Atsuya Muranaka, Yoshinao Shirasaki, Yousuke Ooyama, Masashi Ueda, Masanobu Uchiyama, Shuichi Enomoto, Daisuke Sawada* Phys. Chem. Chem. Phys. 2017, 19, 1209-1216. |