1
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Amasaki R, Kitahara M, Kimoto T, Fujiki M, Imai Y. Mirror‐Image Magnetic Circularly Polarized Luminescence from Perovskite (M+Pb2+Br3, M+ = Cs+ and amidinium) Quantum Dots. Eur J Inorg Chem 2022. [DOI: 10.1002/ejic.202101066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ryo Amasaki
- Kindai University: Kinki Daigaku Department of Applied Chemistry JAPAN
| | - Maho Kitahara
- Kindai University: Kinki Daigaku Department of Applied Chemistry JAPAN
| | - Takahiro Kimoto
- Kinki University: Kinki Daigaku Department of Applied Chemistry JAPAN
| | - Michiya Fujiki
- NAIST: Nara Sentan Kagaku Gijutsu Daigakuin Daigaku Graduate School of Science and Engineering JAPAN
| | - Yoshitane Imai
- Kindai university Department of Applied Chemistry, Faculty of Science and Engineering Kowakae 577-8502 Higashi-Osaka JAPAN
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2
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Hara K, Morimoto A, Matsudaira K, Suzuki S, Yagi S, Fujiki M, Imai Y. External Magnetic Field Driven, Ambidextrous Circularly Polarized Electroluminescence from Organic Light Emitting Diodes Containing Racemic Cyclometalated Iridium(III) Complexes. CHEMPHOTOCHEM 2022. [DOI: 10.1002/cptc.202100253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Kengo Hara
- Department of Applied Chemistry Faculty of Science and Engineering Kindai University 3-4-1 Kowakae, Higashi-Osaka Osaka 577–8502 Japan
| | - Ami Morimoto
- Department of Applied Chemistry Graduate School of Engineering Osaka Prefecture University 1-1 Gakuen-cho, Naka-ku, Sakai Osaka 599–8531 Japan
| | - Kana Matsudaira
- Department of Applied Chemistry Faculty of Science and Engineering Kindai University 3-4-1 Kowakae, Higashi-Osaka Osaka 577–8502 Japan
| | - Satoko Suzuki
- JASCO Corporation 2967-5 Ishikawa, Hachioji Tokyo 192–8537 Japan
| | - Shigeyuki Yagi
- Department of Applied Chemistry Graduate School of Engineering Osaka Prefecture University 1-1 Gakuen-cho, Naka-ku, Sakai Osaka 599–8531 Japan
| | - Michiya Fujiki
- Graduate School of Science and Technology Nara Institute of Science and Technology 8916-5 Takayama, Ikoma Nara 630–0192 Japan
| | - Yoshitane Imai
- Department of Applied Chemistry Faculty of Science and Engineering Kindai University 3-4-1 Kowakae, Higashi-Osaka Osaka 577–8502 Japan
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3
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Kimoto T, Okuno M, Nunotani N, Imanaka N, Fujiki M, Imai Y. Mirror symmetric Green–Color magnetic circularly polarized luminescence from TbIII–containing inorganics under North-up and South-up Faraday geometries. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2021.109034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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4
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Kitahara M, Suzuki S, Matsudaira K, Yagi S, Fujiki M, Imai Y. Red‐Green‐Blue‐Yellow (RGBY) Magnetic Circularly Polarised Luminescence (MCPL) from Optically Inactive Phosphorescent Ir(III) Complexes. ChemistrySelect 2021. [DOI: 10.1002/slct.202103117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Maho Kitahara
- Department of Applied Chemistry Faculty of Science and Engineering Kindai University 3-4-1 Kowakae Higashi Osaka 577-8502
| | - Seika Suzuki
- Department of Applied Chemistry Faculty of Science and Engineering Kindai University 3-4-1 Kowakae Higashi Osaka 577-8502
| | - Kana Matsudaira
- Department of Applied Chemistry Faculty of Science and Engineering Kindai University 3-4-1 Kowakae Higashi Osaka 577-8502
| | - Shigeyuki Yagi
- Department of Applied Chemistry Graduate School of Engineering Osaka Prefecture University, 1–1 Gakuen-cho, Naka-ku Sakai Osaka 599-8531 Japan
| | - Michiya Fujiki
- Graduate School of Science and Technology Nara Institute of Science and Technology, 8916–5 Takayama Ikoma Nara 630-0192 Japan
| | - Yoshitane Imai
- Department of Applied Chemistry Faculty of Science and Engineering Kindai University 3-4-1 Kowakae Higashi Osaka 577-8502
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5
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Uehara K, Kano H, Matsuo K, Hayashi H, Fujiki M, Yamada H, Aratani N. Mirror‐Image Cofacial Coronene Dimers Characterized by CD and CPL Spectroscopy: A Twisted Bilayer Nanographene. CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202100235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Keiji Uehara
- Division of Materials Science Nara Institute of Science and Technology 8916-5 Takayama-cho Ikoma 630-0192 Japan
| | - Haruka Kano
- Division of Materials Science Nara Institute of Science and Technology 8916-5 Takayama-cho Ikoma 630-0192 Japan
| | - Kyohei Matsuo
- Division of Materials Science Nara Institute of Science and Technology 8916-5 Takayama-cho Ikoma 630-0192 Japan
| | - Hironobu Hayashi
- Division of Materials Science Nara Institute of Science and Technology 8916-5 Takayama-cho Ikoma 630-0192 Japan
| | - Michiya Fujiki
- Division of R&D True2Materials PTE. Ltd. 8916-5 Takayama-cho Ikoma 630-0192 Japan
| | - Hiroko Yamada
- Division of Materials Science Nara Institute of Science and Technology 8916-5 Takayama-cho Ikoma 630-0192 Japan
| | - Naoki Aratani
- Division of Materials Science Nara Institute of Science and Technology 8916-5 Takayama-cho Ikoma 630-0192 Japan
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6
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Uehara K, Kano H, Matsuo K, Hayashi H, Fujiki M, Yamada H, Aratani N. Front Cover: Mirror‐Image Cofacial Coronene Dimers Characterized by CD and CPL Spectroscopy: A Twisted Bilayer Nanographene (ChemPhotoChem 11/2021). CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202100236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Keiji Uehara
- Division of Materials Science Nara Institute of Science and Technology 8916-5 Takayama-cho Ikoma 630-0192 Japan
| | - Haruka Kano
- Division of Materials Science Nara Institute of Science and Technology 8916-5 Takayama-cho Ikoma 630-0192 Japan
| | - Kyohei Matsuo
- Division of Materials Science Nara Institute of Science and Technology 8916-5 Takayama-cho Ikoma 630-0192 Japan
| | - Hironobu Hayashi
- Division of Materials Science Nara Institute of Science and Technology 8916-5 Takayama-cho Ikoma 630-0192 Japan
| | - Michiya Fujiki
- Division of R&D True2Materials PTE. Ltd. 8916-5 Takayama-cho Ikoma 630-0192 Japan
| | - Hiroko Yamada
- Division of Materials Science Nara Institute of Science and Technology 8916-5 Takayama-cho Ikoma 630-0192 Japan
| | - Naoki Aratani
- Division of Materials Science Nara Institute of Science and Technology 8916-5 Takayama-cho Ikoma 630-0192 Japan
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7
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Toda H, Otake S, Ito A, Miyasaka M, Fujiki M, Imai Y. Cover Feature: Magnetic Circularly Polarized Luminescence in the Photoexcited States of Racemic [n]Helicenes (n=3–5,7) in Tetrahydrofuran and Dimethyl Sulfoxide Solutions (ChemPhysChem 20/2021). Chemphyschem 2021. [DOI: 10.1002/cphc.202100711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Hayato Toda
- Department of Applied Chemistry Faculty of Science and Engineering Kindai University 3-4-1 Kowakae Higashi-Osaka, Osaka 577-8502 Japan
| | - Shuhei Otake
- Graduate School of Engineering Tokyo Denki University 5 Senju-Asahi-cho Adachi-ku, Tokyo 120-8551 Japan
| | - Akari Ito
- Graduate School of Engineering Tokyo Denki University 5 Senju-Asahi-cho Adachi-ku, Tokyo 120-8551 Japan
| | - Makoto Miyasaka
- Graduate School of Engineering Tokyo Denki University 5 Senju-Asahi-cho Adachi-ku, Tokyo 120-8551 Japan
| | - Michiya Fujiki
- Graduate School of Science and Technology Nara Institute of Science and Technology 8916-5 Takayama Ikoma, Nara 630-0192 Japan
| | - Yoshitane Imai
- Department of Applied Chemistry Faculty of Science and Engineering Kindai University 3-4-1 Kowakae Higashi-Osaka, Osaka 577-8502 Japan
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8
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Toda H, Otake S, Ito A, Miyasaka M, Fujiki M, Imai Y. Magnetic Circularly Polarized Luminescence in the Photoexcited States of Racemic [n]Helicenes (n=3-5,7) in Tetrahydrofuran and Dimethyl Sulfoxide Solutions. Chemphyschem 2021; 22:2058-2062. [PMID: 34251736 DOI: 10.1002/cphc.202100346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 06/23/2021] [Indexed: 11/11/2022]
Abstract
This paper reports the first magnetic circularly polarized luminescence (MCPL) characteristics of racemic helicenes, including four unsubstituted [n]helicenes (n=3,4,5,7) and two [4]helicene derivatives bearing methoxy substituents, in tetrahydrofuran (THF) and dimethyl sulfoxide (DMSO) solutions. The value of |gMCPL | was calculated to be of the order of 10-3 T-1 within 350-430 nm under the north-up (N-up) and south-up (S-up) Faraday geometries in an external magnetic field of 1.6 T. The [n]-dependent MCPL signs were altered by the N-up and S-up geometries.
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Affiliation(s)
- Hayato Toda
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka, 577-8502, Japan
| | - Shuhei Otake
- Graduate School of Engineering, Tokyo Denki University, 5 Senju-Asahi-cho, Adachi-ku, Tokyo, 120-8551, Japan
| | - Akari Ito
- Graduate School of Engineering, Tokyo Denki University, 5 Senju-Asahi-cho, Adachi-ku, Tokyo, 120-8551, Japan
| | - Makoto Miyasaka
- Graduate School of Engineering, Tokyo Denki University, 5 Senju-Asahi-cho, Adachi-ku, Tokyo, 120-8551, Japan
| | - Michiya Fujiki
- Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara, 630-0192, Japan
| | - Yoshitane Imai
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka, 577-8502, Japan
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9
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Uehara K, Kano H, Matsuo K, Hayashi H, Fujiki M, Yamada H, Aratani N. Mirror‐Image Cofacial Coronene Dimers Characterized by CD and CPL Spectroscopy: A Twisted Bilayer Nanographene. CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202100166] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Keiji Uehara
- Division of Materials Science Nara Institute of Science and Technology 8916-5 Takayama-cho Ikoma 630-0192 Japan
| | - Haruka Kano
- Division of Materials Science Nara Institute of Science and Technology 8916-5 Takayama-cho Ikoma 630-0192 Japan
| | - Kyohei Matsuo
- Division of Materials Science Nara Institute of Science and Technology 8916-5 Takayama-cho Ikoma 630-0192 Japan
| | - Hironobu Hayashi
- Division of Materials Science Nara Institute of Science and Technology 8916-5 Takayama-cho Ikoma 630-0192 Japan
| | - Michiya Fujiki
- Division of R&D True2Materials PTE. Ltd. 8916-5 Takayama-cho Ikoma 630-0192 Japan
| | - Hiroko Yamada
- Division of Materials Science Nara Institute of Science and Technology 8916-5 Takayama-cho Ikoma 630-0192 Japan
| | - Naoki Aratani
- Division of Materials Science Nara Institute of Science and Technology 8916-5 Takayama-cho Ikoma 630-0192 Japan
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10
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Mishima K, Kaji D, Fujiki M, Imai Y. Front Cover: Remarkable Effects of External Magnetic Field on Circularly Polarized Luminescence of Eu
III
(hfa)
3
with Phosphine Chirality (ChemPhysChem 17/2021). Chemphyschem 2021. [DOI: 10.1002/cphc.202100571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Kohei Mishima
- Department of Applied Chemistry, Faculty of Science and Engineering Kindai University 3-4-1 Kowakae, Higashi-osaka Osaka 577-8502 Japan
| | - Daiki Kaji
- Department of Applied Chemistry, Faculty of Science and Engineering Kindai University 3-4-1 Kowakae, Higashi-osaka Osaka 577-8502 Japan
| | - Michiya Fujiki
- Graduate School of Science and Technology Nara Institute of Science and Technology 8916-5 Takayama Ikoma Nara 630-0192 Japan
| | - Yoshitane Imai
- Department of Applied Chemistry, Faculty of Science and Engineering Kindai University 3-4-1 Kowakae, Higashi-osaka Osaka 577-8502 Japan
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11
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Mishima K, Kaji D, Fujiki M, Imai Y. Remarkable Effects of External Magnetic Field on Circularly Polarized Luminescence of Eu III (hfa) 3 with Phosphine Chirality. Chemphyschem 2021; 22:1728-1737. [PMID: 34223689 DOI: 10.1002/cphc.202100280] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 07/03/2021] [Indexed: 11/09/2022]
Abstract
Herein, magnetic circularly polarized luminescence (CPL) (MCPL) spectroscopy was conducted to analyze an EuIII (hfa)3 complex with three chiral PIII -ligands. Resultantly, (R)-chirality luminophores with S-up orientation and (S)-chirality luminophores with N-up orientation were observed to possess symmetrical mirror image spectra, i. e., they were enantiomers. Similarly, the (R)-chirality luminophores with N-up orientation and the (S)-chirality luminophores with S-up orientation were also enantiomers. Contrarily, (R)-S-up and (S)-S-up were diastereomers and did not possess a mirror-image relationship. Likewise, (R)-N-up and (S)-N-up were diastereomers. The J-dependency of gMCPL and gCPL datasets suggested that the N-up/S-up external magnetic field, with the aid of chiral PIII -ligands, increased the gMCPL values by two- to sixteen-fold and modulated the gMCPL signs at J=1-4. Additionally, the origins of the nonideal mirror-symmetric CPL and MCPL spectral characteristics of EuIII (hfa)3 with three chiral PIII -ligands were discussed in terms of parity (space-inversion, P)-symmetry, time-reversal (T)-symmetry, and PT-symmetry laws.
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Affiliation(s)
- Kohei Mishima
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka, 577-8502, Japan
| | - Daiki Kaji
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka, 577-8502, Japan
| | - Michiya Fujiki
- Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara, 630-0192, Japan
| | - Yoshitane Imai
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka, 577-8502, Japan
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12
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Kano H, Hayashi H, Matsuo K, Fujiki M, Yamada H, Aratani N. Deep-red circularly polarised luminescent C 70 derivatives. Sci Rep 2021; 11:12072. [PMID: 34103595 PMCID: PMC8187662 DOI: 10.1038/s41598-021-91451-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 05/27/2021] [Indexed: 11/23/2022] Open
Abstract
Optically active fullerenes, including C60 and C70 derivatives carrying organic substituents, are used in a range of applications because of their unique spectroscopic, catalytic, and chiral recognition properties. However, their inherent photoexcited chirality is yet to be elucidated because of their very poor fluorescence quantum yield (Φf). We synthesised a new chiral C70 derivative, X70A, with 20% yield, by reacting bis-borylated xanthene with C70 in a one-step double addition reaction, followed by a successful optical resolution. The isolation of two separate X70A enantiomers was confirmed by mirror-image circular dichroism spectroscopy in the range of 300–750 nm. In toluene, the enantiomeric pair of X70A clearly revealed mirror-image circularly polarised luminescence (CPL) spectra with a high |glum| value of 7.0 × 10−3 at 690 nm. The first fullerene-based deep-red CPL of X70A should provide a new guideline for the design of chiral nanocarbon materials.
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Affiliation(s)
- Haruka Kano
- Division of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara, 630-0192, Japan
| | - Hironobu Hayashi
- Division of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara, 630-0192, Japan
| | - Kyohei Matsuo
- Division of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara, 630-0192, Japan
| | - Michiya Fujiki
- Division of R&D, True2Materials PTE. Ltd., 8916-5 Takayama-cho, Ikoma, Nara, 630-0192, Japan
| | - Hiroko Yamada
- Division of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara, 630-0192, Japan.
| | - Naoki Aratani
- Division of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara, 630-0192, Japan.
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13
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Kimoto T, Mimura Y, Fujiki M, Imai Y. Ambidextrous Solid-state Magnetic Circularly Polarized Luminescence (MCPL) from Red-Green-Blue Inorganic Luminophores without Molecular Chirality. CHEM LETT 2021. [DOI: 10.1246/cl.200904] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Takahiro Kimoto
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
| | - Yuki Mimura
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
| | - Michiya Fujiki
- Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Yoshitane Imai
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
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14
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Matsudaira K, Mimura Y, Hotei J, Yagi S, Yamashita K, Fujiki M, Imai Y. Front Cover: Magnetic Circularly Polarized Luminescence from Pt
II
OEP and F
2
‐ppyPt
II
(acac) under North‐up and South‐up Faraday Geometries (Chem. Asian J. 8/2021). Chem Asian J 2021. [DOI: 10.1002/asia.202100258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Kana Matsudaira
- Department of Applied Chemistry Faculty of Science and Engineering Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan
| | - Yuki Mimura
- Department of Applied Chemistry Faculty of Science and Engineering Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan
| | - Junichi Hotei
- Department of Applied Chemistry Graduate School of Engineering Osaka Prefecture University 1-1 Gakuen-cho, Naka-ku Sakai Osaka 599-8531 Japan
| | - Shigeyuki Yagi
- Department of Applied Chemistry Graduate School of Engineering Osaka Prefecture University 1-1 Gakuen-cho, Naka-ku Sakai Osaka 599-8531 Japan
| | - Ken‐ichi Yamashita
- Department of Chemistry Graduate School of Science Osaka University 1-1 Machikaneyama Toyonaka Osaka 560-0043 Japan
| | - Michiya Fujiki
- Graduate School of Science and Technology Nara Institute of Science and Technology 8916-5 Takayama Ikoma Nara 630-0192 Japan
| | - Yoshitane Imai
- Department of Applied Chemistry Faculty of Science and Engineering Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan
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15
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Hara N, Kitahara M, Sugimura T, Toda H, Shizuma M, Ito A, Miyasaka M, Fujiki M, Imai Y. Sign dependence of MCPL spectra on type and position of substituent groups of pyrene and phenanthrene derivatives. Phys Chem Chem Phys 2021; 23:8236-8240. [PMID: 33710208 DOI: 10.1039/d1cp00259g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Diamagnetic achiral pyrene and phenanthrene derivatives substituted with electron-donating hydroxyl/methoxy groups and electron-withdrawing carboxylic acid groups exhibited clear magnetic circularly polarised luminescence (MCPL) spectra at 360-460 nm in dilute solvents upon the application of N-up and S-up Faraday geometries under an external magnetic field of 1.6 T. Their MCPL signs were also susceptible upon application of the same Faraday geometry.
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Affiliation(s)
- Nobuyuki Hara
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan.
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16
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Matsudaira K, Mimura Y, Hotei J, Yagi S, Yamashita K, Fujiki M, Imai Y. Magnetic Circularly Polarized Luminescence from Pt
II
OEP and F
2
‐ppyPt
II
(acac) under North‐up and South‐up Faraday Geometries. Chem Asian J 2021; 16:926-930. [DOI: 10.1002/asia.202100172] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/09/2021] [Indexed: 01/22/2023]
Affiliation(s)
- Kana Matsudaira
- Department of Applied Chemistry Faculty of Science and Engineering Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan
| | - Yuki Mimura
- Department of Applied Chemistry Faculty of Science and Engineering Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan
| | - Junichi Hotei
- Department of Applied Chemistry Graduate School of Engineering Osaka Prefecture University 1-1 Gakuen-cho, Naka-ku Sakai Osaka 599-8531 Japan
| | - Shigeyuki Yagi
- Department of Applied Chemistry Graduate School of Engineering Osaka Prefecture University 1-1 Gakuen-cho, Naka-ku Sakai Osaka 599-8531 Japan
| | - Ken‐ichi Yamashita
- Department of Chemistry Graduate School of Science Osaka University 1-1 Machikaneyama Toyonaka Osaka 560-0043 Japan
| | - Michiya Fujiki
- Graduate School of Science and Technology Nara Institute of Science and Technology 8916-5 Takayama Ikoma Nara 630-0192 Japan
| | - Yoshitane Imai
- Department of Applied Chemistry Faculty of Science and Engineering Kindai University 3-4-1 Kowakae Higashi-Osaka Osaka 577-8502 Japan
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17
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Matsudaira K, Izumoto A, Mimura Y, Kondo Y, Suzuki S, Yagi S, Fujiki M, Imai Y. Sign inversion of magnetic circularly polarized luminescence in Iridium(iii) complexes bearing achiral ligands. Phys Chem Chem Phys 2021; 23:5074-5078. [PMID: 33616128 DOI: 10.1039/d0cp05775d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Optically inactive, paramagnetic Ir(iii)(ppy)3 and Ir(iii)(ppy)2(acac) (ppy: 2-phenylpyridinate and acac: acetylacetonate) showed nearly mirror-symmetric magnetic circularly polarised luminescence (MCPL) spectra in dilute dichloromethane and dimethyl sulfoxide under N-up and S-up geometries in a 1.6-T magnetic field. However, the MCPL signs of Ir(iii)(ppy)3 and Ir(iii)(ppy)2(acac) under the same N-up (or S-up) Faraday geometry were opposite to each other when one ppy was replaced with an acac. This ligand exchange approach provides facile control of the MCPL sign, irrespective of the Faraday geometry.
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Affiliation(s)
- Kana Matsudaira
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan.
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18
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Mimura Y, Fujiki M, Imai Y. Mirror-symmetric magnetic circularly polarized luminescence from CdS/ZnS core-shell quantum dots: Faraday effect in the photoexcited state. Chem Phys Lett 2021. [DOI: 10.1016/j.cplett.2021.138353] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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19
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Hu X, Yin Z, Guo J, Adamson J, Fujiki M, Borovkov V. Stereospecific Synthesis of Cyclic Sulfite Esters with Sulfur-Centered Chirality via Diastereoselective Strategy and Intramolecular H-Bonding Assistance. J Org Chem 2021; 86:379-387. [PMID: 33263402 DOI: 10.1021/acs.joc.0c02147] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Stereospecific synthesis of several cyclic sulfite esters containing three stereogenic centers from enantiopure 1,1,4,4-tetraarylbutanetetraols was achieved. Chiral sulfur centers were constructed stereospecifically via a diastereoselective reaction with the assistance of an intramolecular H-bonding interaction. The absolute configuration of the S atom was elucidated by using the corresponding single-crystal X-ray diffraction analysis of the synthesized monochloride cyclic sulfite esters. Furthermore, a crystallographic evidence of the specific intramolecular C(sp3)-H···CAr weak H-bondings was presented, and its dramatic effect on the 1H NMR spectral properties was revealed. This intriguing behavior was unambiguously rationalized by different shielding effects of the neighboring phenyl rings. Additionally, the theoretical results obtained on the basis of MP2 calculations fully supported the existence of intramolecular hydrogen bonding interactions being responsible for the observed unique chemical and spectral properties.
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Affiliation(s)
- Xiaoyun Hu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities, Wuhan 430074, P. R. China
| | - Zhongyou Yin
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities, Wuhan 430074, P. R. China
| | - Jianxin Guo
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities, Wuhan 430074, P. R. China
| | - Jasper Adamson
- National Institute of Chemical Physics & Biophysics, Akadeemia tee 23, Tallinn 12618, Estonia
| | - Michiya Fujiki
- Division of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0101, Japan
| | - Victor Borovkov
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Akadeemia tee 15, Tallinn 12618, Estonia
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20
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Toda H, Hara N, Fujiki M, Imai Y. Sign inversion in magnetic circularly polarised luminescence of fused aromatics with 1.6 T N-up/S-up Faraday geometry. RSC Adv 2021; 11:1581-1585. [PMID: 35424128 PMCID: PMC8693759 DOI: 10.1039/d0ra09233a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 12/21/2020] [Indexed: 12/22/2022] Open
Abstract
Although 12 diamagnetic fused aromatics with or without substituents exhibit mirror-symmetric magnetic circularly polarised luminescence (MCPL) through N-up and S-up Faraday geometries under a magnetic field intensity of 1.6 T, their signs (single and multiple) and magnitudes depend strongly on either the aromatic structures or the peripheral positions of the substituents. Diamagnetic fused aromatics exhibit mirror-symmetric magnetic circularly polarised luminescence (MCPL) depend on either the aromatic structures or the peripheral positions of the substituents through N-up and S-up Faraday geometries under a 1.6 T magnetic field.![]()
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Affiliation(s)
- Hayato Toda
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Osaka 577-8502
- Japan
| | - Nobuyuki Hara
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Osaka 577-8502
- Japan
| | - Michiya Fujiki
- Graduate School of Materials Science
- Nara Institute of Science and Technology
- Ikoma
- Japan
| | - Yoshitane Imai
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Osaka 577-8502
- Japan
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21
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Fujiki M, Wang L, Ogata N, Asanoma F, Okubo A, Okazaki S, Kamite H, Jalilah AJ. Corrigendum: Chirogenesis and Pfeiffer Effect in Optically Inactive Eu III and Tb III Tris(β-diketonate) Upon Intermolecular Chirality Transfer From Poly- and Monosaccharide Alkyl Esters and α-Pinene: Emerging Circularly Polarized Luminescence (CPL) and Circular Dichroism (CD). Front Chem 2020; 8:598729. [PMID: 33134286 PMCID: PMC7562977 DOI: 10.3389/fchem.2020.598729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 08/31/2020] [Indexed: 11/29/2022] Open
Affiliation(s)
- Michiya Fujiki
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | - Laibing Wang
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | - Nanami Ogata
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | - Fumio Asanoma
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | - Asuka Okubo
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | - Shun Okazaki
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | - Hiroki Kamite
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | - Abd Jalil Jalilah
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan.,School of Materials Engineering, Universiti Malaysia Perlis, Jejawi, Malaysia.,Centre of Excellence Frontier Materials Research, Universiti Malaysia Perlis, Kangar, Malaysia
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22
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Fujiki M, Wang L, Ogata N, Asanoma F, Okubo A, Okazaki S, Kamite H, Jalilah AJ. Chirogenesis and Pfeiffer Effect in Optically Inactive Eu III and Tb III Tris(β-diketonate) Upon Intermolecular Chirality Transfer From Poly- and Monosaccharide Alkyl Esters and α-Pinene: Emerging Circularly Polarized Luminescence (CPL) and Circular Dichroism (CD). Front Chem 2020; 8:685. [PMID: 32903703 PMCID: PMC7438854 DOI: 10.3389/fchem.2020.00685] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Accepted: 06/30/2020] [Indexed: 11/30/2022] Open
Abstract
We report emerging circularly polarized luminescence (CPL) at 4f-4f transitions when lanthanide (EuIII and TbIII) tris(β-diketonate) embedded to cellulose triacetate (CTA), cellulose acetate butyrate (CABu), D-/L-glucose pentamethyl esters (D-/L-Glu), and D-/L-arabinose tetramethyl esters (D-/L-Ara) are in film states. Herein, 6,6,7,7,8,8,8-heptafluoro-2,2-dimethyl-3,5-octanedionate (fod) and 2,2,6,6-tetramethyl-3,5-heptanedione (dpm) were chosen as the β-diketonates. The glum value of Eu(fod)3 in CABu are +0.0671 at 593 nm (5D0→7F1) and −0.0059 at 613 nm (5D0→7F2), respectively, while those in CTA are +0.0463 and −0.0040 at these transitions, respectively. The glum value of Tb(fod)3 in CABu are −0.0029 at 490 nm (5D4→7F6), +0.0078 at 540 nm (5D4→7F5), and −0.0018 at 552 nm (5D4→7F5), respectively, while those in CTA are −0.0053, +0.0037, and −0.0059 at these transitions, respectively. D-/L-Glu and D-/L-Ara induced weaker glum values at 4f-4f transitions of Eu(fod)3, Tb(fod)3, and Tb(dpm)3. For comparison, Tb(dpm)3 in α-pinene showed clear CPL characteristics, though Eu(dpm)3 did not. A surplus charge neutralization hypothesis was applied to the origin of attractive intermolecular interactions between the ligands and saccharides. This idea was supported from the concomitant opposite tendency in upfield 19F-NMR and downfield 1H-NMR chemical shifts of Eu(fod)3 and the opposite Mulliken charges between F-C bonds (fod) and H-C bonds (CTA and D-/L-Glu). An analysis of CPL excitation (CPLE) and CPL spectra suggests that (+)- and (–)-sign CPL signals of EuIII and TbIII at different 4f-4f transitions in the visible region are the same with the (+)-and (–)-sign exhibited by CPLE bands at high energy levels of EuIII and TbIII in the near-UV region.
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Affiliation(s)
- Michiya Fujiki
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | - Laibing Wang
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | - Nanami Ogata
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | - Fumio Asanoma
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | - Asuka Okubo
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | - Shun Okazaki
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | - Hiroki Kamite
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | - Abd Jalil Jalilah
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan.,School of Materials Engineering, Universiti Malaysia Perlis, Jejawi, Malaysia.,Centre of Excellence Frontier Materials Research, Universiti Malaysia Perlis, Kangar, Malaysia
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23
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Kaji D, Okada H, Hara N, Kondo Y, Suzuki S, Miyasaka M, Fujiki M, Imai Y. Non-classically Controlled Sign in a 1.6 Tesla Magnetic Circularly Polarized Luminescence of Three Pyrenes in a Chloroform and a PMMA Film. CHEM LETT 2020. [DOI: 10.1246/cl.200136] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Daiki Kaji
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
| | - Hana Okada
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
| | - Nobuyuki Hara
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
| | - Yoshiro Kondo
- JASCO Corporation, 2967-5 Ishikawa-machi, Hachioji, Tokyo 192-8537, Japan
| | - Satoko Suzuki
- JASCO Corporation, 2967-5 Ishikawa-machi, Hachioji, Tokyo 192-8537, Japan
| | - Makoto Miyasaka
- Department of Applied Chemistry, School of Engineering, Tokyo Denki University, 5 Senju-Asahi-cho, Adachi-ku, Tokyo 120-8551, Japan
| | - Michiya Fujiki
- Graduate School of Materials Science, Nara Institute of Science and Technology, Takayama, Ikoma, Nara 630-0192, Japan
| | - Yoshitane Imai
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
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24
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Yoshikawa H, Nakajima G, Mimura Y, Kimoto T, Kondo Y, Suzuki S, Fujiki M, Imai Y. Mirror-image magnetic circularly polarized luminescence (MCPL) from optically inactive EuIII and TbIIItris(β-diketonate). Dalton Trans 2020; 49:9588-9594. [DOI: 10.1039/d0dt01464h] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Five optically inactive EuIII and TbIII complexes with achiral organic ligands revealed north-up/south-up magnet geometry dependent mirror-image magnetic circularly polarized luminescence in solutions, in films and bulk powder under 1.6 Tesla.
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Affiliation(s)
- Hiroki Yoshikawa
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Higashi-Osaka
- Japan
| | - Gaku Nakajima
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Higashi-Osaka
- Japan
| | - Yuki Mimura
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Higashi-Osaka
- Japan
| | - Takahiro Kimoto
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Higashi-Osaka
- Japan
| | | | | | - Michiya Fujiki
- Graduate School of Materials Science
- Nara Institute of Science and Technology
- Ikoma
- Japan
| | - Yoshitane Imai
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Higashi-Osaka
- Japan
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25
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Taniguchi A, Hara N, Shizuma M, Tajima N, Fujiki M, Imai Y. Circularly polarised luminescence from planar-chiral Phanephos/Tb(iii)(hfa) 3 hybrid luminophores. Photochem Photobiol Sci 2019; 18:2859-2864. [PMID: 31687727 DOI: 10.1039/c9pp00296k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Planar-chiral Phanephos, containing the coordinatable P(iii), formed P(iii)/Tb(iii)(hfa)3 hybrid luminophores that successfully emitted characteristic circularly polarised luminescence (CPL) due to 5D4→7F5 transitions in solution. On the other hand, BINAP, containing P(iii)[double bond, length as m-dash]O as axially chiral ligand, exhibited no detectable CPL with Tb(iii)(hfa)3.
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Affiliation(s)
- Ayano Taniguchi
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan.
| | - Nobuyuki Hara
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan.
| | - Motohiro Shizuma
- Department of Biochemistry, Osaka Research Institute of Industrial Science and Technology, Joto-ku, Osaka 536-8553, Japan
| | - Nobuo Tajima
- Computational Materials Science Center, National Institute for Materials Science 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan
| | - Michiya Fujiki
- Division of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Yoshitane Imai
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan.
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26
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Puneet P, Horechyy A, Srivastava RK, Nandan B, Fujiki M. Photoluminescent poly(4-vinylpyridine)-based ionic liquids coded with l- and d-histidine: a supramolecular self-assembly leading to the formation of red-shifted photoluminescent helical aggregates. Polym Chem 2019. [DOI: 10.1039/c9py00181f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Herein, photoluminescent poly(4-vinylpyridine)-based ionic liquids including d- and l-histidine were synthesized. The chiral PILs self-assembled into helical aggregates.
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Affiliation(s)
- Puhup Puneet
- Department of Textile Technology
- Indian Institute of Technology Delhi
- New Delhi
- India
| | - Andriy Horechyy
- Department of Nanostructured Materials
- Leibniz Institute for Polymer Research
- Dresden
- Germany
| | - Rajiiv K. Srivastava
- Department of Textile Technology
- Indian Institute of Technology Delhi
- New Delhi
- India
| | - Bhanu Nandan
- Department of Textile Technology
- Indian Institute of Technology Delhi
- New Delhi
- India
| | - Michiya Fujiki
- Division of Materials Science
- Nara Advanced Institute of Technology
- Nara
- Japan
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27
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Chen H, Yin L, Liu M, Wang L, Fujiki M, Zhang W, Zhu X. Aggregation-induced chiroptical generation and photoinduced switching of achiral azobenzene-alt-fluorene copolymer endowed with left- and right-handed helical polysilanes. RSC Adv 2019; 9:4849-4856. [PMID: 35514644 PMCID: PMC9060682 DOI: 10.1039/c8ra09345h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 01/22/2019] [Indexed: 11/21/2022] Open
Abstract
The left and right helicities of azobenzene (Azo)-containing main-chain polymer (PF8Azo) were successfully controlled with an enantiomeric pair of rigid rod-like helical polysilanes carrying (S)- and (R)-2-methylbutyl groups (PSi-S and PSi-R, respectively) as their hetero-aggregates in a mixture of chloroform and methanol solvents and in the solid state. Optimizing the good and poor cosolvents and their volume fractions showed that the molar ratio of PF8Azo to PSi-S/-R and the molecular weight of PF8Azo were crucial to boost the CD amplitudes of PF8Azo/PSi-S and PF8Azo/PSi-R hetero-aggregates. The photoresponsive trans–cis transformation caused noticeable changes in the sign and magnitude of the chiroptical behavior due to the hetero-aggregates. Moreover, the optically active PF8Azo homo-aggregates were produced by complete photoscissoring reactions at 313 nm, which could be assigned to the Siσ–Siσ* transitions of PSi-S and PSi-R. The helicity of PF8Azo was successfully induced by UV-decomposable chiral polysilanes, and PF8Azo/PSi-S and PF8Azo/PSi-R hetero-aggregates were subjected to trans–cis photoisomerization.![]()
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Affiliation(s)
- Hailing Chen
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- College of Chemistry
- Chemical Engineering and Materials Science
| | - Lu Yin
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- College of Chemistry
- Chemical Engineering and Materials Science
| | - Meng Liu
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- College of Chemistry
- Chemical Engineering and Materials Science
| | - Laibing Wang
- Division of Materials Science
- Nara Institute of Science and Technology
- Ikoma
- Japan
| | - Michiya Fujiki
- Division of Materials Science
- Nara Institute of Science and Technology
- Ikoma
- Japan
| | - Wei Zhang
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- College of Chemistry
- Chemical Engineering and Materials Science
| | - Xiulin Zhu
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- College of Chemistry
- Chemical Engineering and Materials Science
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28
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Aso F, Kawashima H, Fujiki M, Kijima M. Synthesis of delayed-emissive poly(2,7-carbazole)s having an anchored triazine pendant at the N-position. Polym Chem 2019. [DOI: 10.1039/c9py00152b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The design, synthesis, and characterization of delayed-emissive poly(2,7-carbazole)s having an anchored triazine pendant at the N-position.
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Affiliation(s)
- Fumihiro Aso
- Institute of Materials Science
- Graduate School of Pure and Applied Sciences
- University of Tsukuba
- Tsukuba
- Japan
| | - Hidehisa Kawashima
- Department of Materials Science
- Faculty of Pure and Applied Sciences
- University of Tsukuba
- Tsukuba
- Japan
| | - Michiya Fujiki
- Graduate School of Materials Science
- Nara Institute of Science and Technology
- Takayama, Ikoma
- Japan
| | - Masashi Kijima
- Department of Materials Science
- Faculty of Pure and Applied Sciences
- University of Tsukuba
- Tsukuba
- Japan
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29
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Kurosaki R, Suzuki M, Hayashi H, Fujiki M, Aratani N, Yamada H. Torsional chirality generation based on cyclic oligomers constructed from an odd number of pyrenes. Chem Commun (Camb) 2019; 55:9618-9621. [DOI: 10.1039/c9cc03123e] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Unique asymmetric compounds with no stereogenic chiral centers are achieved because of an odd number of repeating units.
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Affiliation(s)
- Ryo Kurosaki
- Division of Materials Science
- Nara Institute of Science and Technology (NAIST)
- Ikoma
- Japan
| | - Mitsuharu Suzuki
- Department of Material and Life Science
- Division of Advanced Science and Biotechnology
- Graduate School of Engineering
- Osaka University
- Osaka 565-0871
| | - Hironobu Hayashi
- Division of Materials Science
- Nara Institute of Science and Technology (NAIST)
- Ikoma
- Japan
| | - Michiya Fujiki
- Division of Materials Science
- Nara Institute of Science and Technology (NAIST)
- Ikoma
- Japan
| | - Naoki Aratani
- Division of Materials Science
- Nara Institute of Science and Technology (NAIST)
- Ikoma
- Japan
| | - Hiroko Yamada
- Division of Materials Science
- Nara Institute of Science and Technology (NAIST)
- Ikoma
- Japan
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30
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Fujiki M, Koe JR, Mori T, Kimura Y. Correction: Fujiki, M., et al. Questions of Mirror Symmetry at the Photoexcited and Ground States of Non-Rigid Luminophores Raised by Circularly Polarized Luminescence and Circular Dichroism Spectroscopy: Part 1. Oligofluorenes, Oligophenylenes, Binaphthyls and Fused Aromatics. Molecules, 2018, 23, 2606. Molecules 2018; 23:molecules23123348. [PMID: 30567317 PMCID: PMC6321091 DOI: 10.3390/molecules23123348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Accepted: 12/02/2018] [Indexed: 11/16/2022] Open
Affiliation(s)
- Michiya Fujiki
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama, Ikoma, Nara 630-0036, Japan.
| | - Julian R Koe
- Department of Natural Sciences, International Christian University (ICU), 3-10-2 Mitaka, Tokyo 181-8585, Japan.
| | - Takashi Mori
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama, Ikoma, Nara 630-0036, Japan.
| | - Yoshihiro Kimura
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama, Ikoma, Nara 630-0036, Japan.
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31
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Fujiki M, Koe JR, Mori T, Kimura Y. Questions of Mirror Symmetry at the Photoexcited and Ground States of Non-Rigid Luminophores Raised by Circularly Polarized Luminescence and Circular Dichroism Spectroscopy: Part 1. Oligofluorenes, Oligophenylenes, Binaphthyls and Fused Aromatics. Molecules 2018; 23:E2606. [PMID: 30314330 PMCID: PMC6222818 DOI: 10.3390/molecules23102606] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 10/01/2018] [Accepted: 10/06/2018] [Indexed: 11/17/2022] Open
Abstract
We report experimental tests of whether non-rigid, π-conjugated luminophores in the photoexcited (S₁) and ground (S₀) states dissolved in achiral liquids are mirror symmetrical by means of circularly polarized luminescence (CPL) and circular dichroism (CD) spectroscopy. Herein, we chose ten oligofluorenes, eleven linear/cyclic oligo-p-arylenes, three binaphthyls and five fused aromatics, substituted with alkyl, alkoxy, phenyl and phenylethynyl groups and also with no substituents. Without exception, all these non-rigid luminophores showed negative-sign CPL signals in the UV-visible region, suggesting temporal generation of energetically non-equivalent non-mirror image structures as far-from equilibrium open-flow systems at the S₁ state. For comparison, unsubstituted naphthalene, anthracene, tetracene and pyrene, which are achiral, rigid, planar luminophores, did not obviously show CPL/CD signals. However, camphor, which is a rigid chiral luminophore, showed mirror-image CPL/CD signals. The dissymmetry ratio of CPL (glum) for the oligofluorenes increased discontinuously, ranging from ≈ -(0.2 to 2.0) × 10-3, when the viscosity of the liquids increased. When the fluorene ring number increased, the glum value extrapolated at [η] = 0 reached -0.8 × 10-3 at 420 nm, leading to (⁻)-CPL signals predicted in the vacuum state. Our comprehensive CPL and CD study should provide a possible answer to the molecular parity violation hypothesis arising due to the weak neutral current mediated by the Z⁰-boson.
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Affiliation(s)
- Michiya Fujiki
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama, Ikoma, Nara 630-0036, Japan.
| | - Julian R Koe
- Department of Natural Sciences, International Christian University (ICU), 3-10-2 Mitaka, Tokyo, 181-8585, Japan.
| | - Takashi Mori
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama, Ikoma, Nara 630-0036, Japan.
| | - Yoshihiro Kimura
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama, Ikoma, Nara 630-0036, Japan.
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Hara N, Yanai M, Kaji D, Shizuma M, Tajima N, Fujiki M, Imai Y. Cover Picture: A Pivotal Biaryl Rotamer Bearing Two Floppy Pyrenes that Exhibits Cryptochiral Characteristics in the Ground State (35/2018). ChemistrySelect 2018. [DOI: 10.1002/slct.201802752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Nobuyuki Hara
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Masaki Yanai
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Daiki Kaji
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Motohiro Shizuma
- Department of Biochemistry; Osaka Research Institute of Industrial Science and Technology, 1-6-50 Morinomiya, Joto-ku; Osaka 536-8553 Japan
| | - Nobuo Tajima
- Computational Materials Science Center; National Institute for Materials Science 1-2-1 Sengen, Tsukuba; Ibaraki 305-0047 Japan
| | - Michiya Fujiki
- Graduate School of Materials Science; Nara Institute of Science and Technology, Takayama, Ikoma; Nara 630-0101 Japan
| | - Yoshitane Imai
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
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Hara N, Yanai M, Kaji D, Shizuma M, Tajima N, Fujiki M, Imai Y. A Pivotal Biaryl Rotamer Bearing Two Floppy Pyrenes that Exhibits Cryptochiral Characteristics in the Ground State. ChemistrySelect 2018. [DOI: 10.1002/slct.201801770] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Nobuyuki Hara
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Masaki Yanai
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Daiki Kaji
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Motohiro Shizuma
- Department of Biochemistry; Osaka Research Institute of Industrial Science and Technology, 1-6-50 Morinomiya, Joto-ku; Osaka 536-8553 Japan
| | - Nobuo Tajima
- Computational Materials Science Center; National Institute for Materials Science 1-2-1 Sengen, Tsukuba; Ibaraki 305-0047 Japan
| | - Michiya Fujiki
- Graduate School of Materials Science; Nara Institute of Science and Technology, Takayama, Ikoma; Nara 630-0101 Japan
| | - Yoshitane Imai
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
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Tanaka H, Kato Y, Fujiki M, Inoue Y, Mori T. Combined Experimental and Theoretical Study on Circular Dichroism and Circularly Polarized Luminescence of Configurationally Robust D 3-Symmetric Triple Pentahelicene. J Phys Chem A 2018; 122:7378-7384. [PMID: 30157648 DOI: 10.1021/acs.jpca.8b05247] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Pentahelicene (PH) exhibits the largest absorption ( gabs) and luminescence ( glum) dissymmetry factors among the helicene family but is configurationally and (photo)chemically labile, encumbering its application to chiroptical materials. To bypass the pitfalls, three PH units are merged in a single molecule to build D3-symmetric triple pentahelicene, hexabenzotriphenylene (HBT), which attains indeed the configurational and (photo)chemical robustness through equilibrium with a C2-symmetric conformer that interrupts the racemization and photocyclization. UV-vis, circular dichroism (CD), and circularly polarized luminescence (CPL) spectral examinations reveal the significantly larger gabs and glum values for HBT than for any of configurationally robust single [ n]helicene ( n ≥ 6) and C2-symmetric triple pentahelicene, trinaphthotriphenylene (TNT). Theoretical calculations precisely reproduce the main features of the experimental CD and CPL spectra of PH, HBT, and TNT, and the relevant electric and magnetic transition moments and their mutual angles well rationalize the relative CD and CPL intensities of all the single and triple pentahelicenes.
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Affiliation(s)
- Hiroki Tanaka
- Department of Applied Chemistry, Graduate School of Engineering , Osaka University , 2-1 Yamada-oka , Suita 565-0871 , Japan
| | - Yuka Kato
- Graduate School of Materials Science , Nara Institute of Scienc eand Technology , Ikoma, Nara 630-0101 , Japan
| | - Michiya Fujiki
- Graduate School of Materials Science , Nara Institute of Scienc eand Technology , Ikoma, Nara 630-0101 , Japan
| | - Yoshihisa Inoue
- Department of Applied Chemistry, Graduate School of Engineering , Osaka University , 2-1 Yamada-oka , Suita 565-0871 , Japan
| | - Tadashi Mori
- Department of Applied Chemistry, Graduate School of Engineering , Osaka University , 2-1 Yamada-oka , Suita 565-0871 , Japan
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Hara N, Okazaki M, Kitatobe T, Tajima N, Shizuma M, Sudo A, Fujihara H, Fujiki M, Imai Y. Optically Active Linear and Hyperbranched Polythiophenes Bearing BINOL Derivatives Emitting Circularly Polarized Luminescence. CHEM LETT 2018. [DOI: 10.1246/cl.180536] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Nobuyuki Hara
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
| | - Mamoru Okazaki
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
| | - Takumi Kitatobe
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
| | - Nobuo Tajima
- First-Principles Simulation Group, Computational Materials Science Center, NIMS, Sengen, Tsukuba, Ibaraki 305-0047, Japan
| | - Motohiro Shizuma
- Department of Biochemistry, Osaka Research Institute of Industrial Science and Technology, 1-6-50 Morinomiya, Joto-ku, Osaka 536-8553, Japan
| | - Atsushi Sudo
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
| | - Hisashi Fujihara
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
| | - Michiya Fujiki
- Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0101, Japan
| | - Yoshitane Imai
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
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36
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Yamazaki K, Nakao A, Suzuki N, Fujiki M. Molecular weight-dependent physisorption of non-charged poly(9,9-dioctylfluorene) onto the neutral surface of cuboidal γ-alumina in toluene. Polym J 2018. [DOI: 10.1038/s41428-018-0046-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Nomura K, Miwata T, Shinozuka T, Morita M, Geerts YH, Fujiki M, Asano MS. Terthiophene Functionalized Conjugated Triarm Polymers Containing Poly(fluorene-2,7-vinylene) Arms Having Different Cores-Synthesis and Their Unique Optical Properties. ACS Omega 2018; 3:5052-5063. [PMID: 31458719 PMCID: PMC6641954 DOI: 10.1021/acsomega.8b00676] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Accepted: 04/24/2018] [Indexed: 06/10/2023]
Abstract
Optical properties of three types of terthiophene (3T) functionalized conjugated triarm (star-shaped) polymers consisting of poly(9,9-di-n-octyl-fluorene-2,7-vinylene) (PFV) arms and different [2,4,6-tri(biphenyl)benzene (TBP), 1,3,5-tri(benzyl)benzene (TBB), and triphenylamine (TPA)] cores, prepared by combined olefin metathesis with Wittig coupling, have been studied. Relative intensities [increases in the higher vibronic bands, (0, 1) fluorescence (FL)] of the fully conjugated TPA-core polymers, TPA(PFV-3T)3, in the fluorescence (FL) spectra in tetrahydrofuran (toluene) solution were higher than those in the other triarm polymers, TBP(PFV-3T)3, TBB(PFV-3T)3, whereas no significant differences were observed in their UV-vis spectra; notable temperature dependences were not observed in the UV-vis and FL spectra (at -5, 25, and 55 °C). Remarkable differences were not observed in the spectra in these polymer thin films, whereas λmax values red-shifted due to the formation of J-type aggregates. The observation for the time-resolved study well corresponds to results for the steady-state fluorescence measurements. The observed unique emission by the star-shaped (triarm) polymer containing the TPA core would be assumed to be due to a difference in nature of the core (higher coplanarity) compared to that of the others.
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Affiliation(s)
- Kotohiro Nomura
- Department
of Chemistry, Tokyo Metropolitan University, 1-1 Minami Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Tomohiro Miwata
- Department
of Chemistry, Tokyo Metropolitan University, 1-1 Minami Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Takuya Shinozuka
- Division
of Molecular Science, School of Science and Engineering, Gunma University, 1-5-1, Ten-jincho, Kiryu, Gunma 376-8515, Japan
| | - Munetsugu Morita
- Division
of Molecular Science, School of Science and Engineering, Gunma University, 1-5-1, Ten-jincho, Kiryu, Gunma 376-8515, Japan
| | - Yves H. Geerts
- Laboratoire
de Chimie des Polymères, Faculté des Sciences, Université Libre de Bruxelles (ULB), Boulevard du Triomphe, CP 206/01, 1050 Bruxelles, Belgium
| | - Michiya Fujiki
- Graduate
School of Materials Science, Nara Institute
of Science and Technology (NAIST), 8916-5 Takayama, Ikoma, Nara 630-0101, Japan
| | - Motoko S. Asano
- Division
of Molecular Science, School of Science and Engineering, Gunma University, 1-5-1, Ten-jincho, Kiryu, Gunma 376-8515, Japan
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Sato T, Hara N, Tajima N, Sudo A, Fujiki M, Imai Y. Turn-on circularly polarized luminescent (CPL) molecular system realized by thermo-driven Newman–Kwart rearrangement reaction from CPL-silent O- to CPL-active S-thiocarbamate groups at peripheral position of 1,1′-binapthyl rings. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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40
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Yamada T, Nomura K, Fujiki M. Noticeable Chiral Center Dependence of Signs and Magnitudes in Circular Dichroism (CD) and Circularly Polarized Luminescence (CPL) Spectra of all-trans-Poly(9,9-dialkylfluorene-2,7-vinylene)s Bearing Chiral Alkyl Side Chains in Solution, Aggregates, and Thin Films. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b00241] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Takumi Yamada
- Department of Chemistry, Tokyo Metropolitan University, 1-1 Minami Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Kotohiro Nomura
- Department of Chemistry, Tokyo Metropolitan University, 1-1 Minami Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Michiya Fujiki
- Graduate School of Materials Science, Nara Institute of Science and Technology (NAIST), 8916-5
Takayama, Ikoma, Nara 630-0101, Japan
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Guo S, Kamite H, Suzuki N, Wang L, Ohkubo A, Fujiki M. Ambidextrous Chirality Transfer Capability from Cellulose Tris(phenylcarbamate) to Nonhelical Chainlike Luminophores: Achiral Solvent-Driven Helix-Helix Transition of Oligo- and Polyfluorenes Revealed by Sign Inversion of Circularly Polarized Luminescence and Circular Dichroism Spectra. Biomacromolecules 2018; 19:449-459. [PMID: 29220164 DOI: 10.1021/acs.biomac.7b01554] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
We investigated whether helicity and/or chirality of cellulose tris(phenylcarbamate) (CTPC) can transfer to noncharged, nonhelical oligo- and polyfluorenes when CTPC was employed as a solution processable homochiral platform of a D-glucose-skeletal polymer. Noticeably, CTPC revealed the solvent-driven, ambidextrous intermolecular helicity/chirality transfer capability to these fluorenes. The chiroptical inversion characteristics of circularly polarized luminescence (CPL) and the corresponding CD spectra were realized by solely choosing a proper achiral solvent and/or achiral cosolvent. When the solution of PF6 and CTPC in tetrahydrofuran (THF) was cast on a quartz substrate, the dissymmetry ratio of CPL (gCPL) from the polymer film showed gCPL = +2.1 × 10-3 at 429 nm. Conversely, when dichloromethane (DCM) was used as the solvent, the CPL sign was inverted to gCPL = -2.4 × 10-3 at 429 nm. The dissymmetry ratio of Cotton CD band (gCD) from the THF solution was gCD = +3.2 × 10-3 at 392 nm; conversely, from the DCM, the CD sign inverted to gCD = -0.8 × 10-3 at 371 nm. The sign and magnitude of the gCD values were interpreted to a London dispersion term (δd) of Hansen solubility parameter (δ) of the casting solvents rather than a dipole-dipole interaction term (δp) and a hydrogen bonding interaction term (δh) of the δ values and dielectric constant (ε). Analysis of solvent-driven changes in FTIR spectra, wide-angle X-ray diffraction profiles, and differential scanning calorimetry diagrams indicated that solvent driven on-off switching of multiple hydrogen bonds due to three urethane groups of CTPC play the key for the inversion. Intermolecular CH/π and π-π interactions among phenyl rings and alkyl groups were assumed to be crucial for helicity/chirality transfer capability based on molecular mechanics and molecular dynamics simulations of PF6-CTPC hybrids. These chiroptical inversion characteristics arose from solvent-driven order-disorder transition characteristics of the CTPC helix rather than a helix-helix transition of CTPC itself.
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Affiliation(s)
- Sibo Guo
- Graduate School of Materials Science, Nara Institute of Science and Technology , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Hiroki Kamite
- Graduate School of Materials Science, Nara Institute of Science and Technology , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Nozomu Suzuki
- Graduate School of Materials Science, Nara Institute of Science and Technology , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan.,Department of Chemistry, College of Science, Rikkyo University , 3-34-1 Nishi-Ikebukuro, Toshima, Tokyo 171-8501, Japan
| | - Laibing Wang
- Graduate School of Materials Science, Nara Institute of Science and Technology , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Asuka Ohkubo
- Graduate School of Materials Science, Nara Institute of Science and Technology , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Michiya Fujiki
- Graduate School of Materials Science, Nara Institute of Science and Technology , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
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Lai YC, Ushio N, Rahman MM, Katanoda Y, Ogihara K, Naya Y, Moriyama A, Iwanaga T, Saitoh Y, Sogawa T, Sunaga T, Momoi Y, Izumi H, Miyoshi N, Endo Y, Fujiki M, Kawaguchi H, Miura N. Aberrant expression of microRNAs and the miR-1/MET pathway in canine hepatocellular carcinoma. Vet Comp Oncol 2018; 16:288-296. [DOI: 10.1111/vco.12379] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 11/16/2017] [Accepted: 11/30/2017] [Indexed: 12/15/2022]
Affiliation(s)
- Y.-C. Lai
- Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine; Kagoshima University; Kagoshima Japan
- The United Graduate School of Veterinary Science; Yamaguchi University; Yamaguchi Japan
| | - N. Ushio
- Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine; Kagoshima University; Kagoshima Japan
- The United Graduate School of Veterinary Science; Yamaguchi University; Yamaguchi Japan
| | - M. M. Rahman
- Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine; Kagoshima University; Kagoshima Japan
- The United Graduate School of Veterinary Science; Yamaguchi University; Yamaguchi Japan
| | - Y. Katanoda
- Laboratory of Veterinary Diagnostic Imaging, Joint Faculty of Veterinary Medicine; Kagoshima University; Kagoshima Japan
| | - K. Ogihara
- Laboratory of Pathology, School of Life and Environmental Science; Azabu University; Sagamihara Japan
| | - Y. Naya
- Laboratory of Pathology, School of Life and Environmental Science; Azabu University; Sagamihara Japan
| | - A. Moriyama
- Drug Safety Research Laboratories; Shin Nippon Biomedical Laboratories, Ltd.; Kagoshima Japan
| | - T. Iwanaga
- Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine; Kagoshima University; Kagoshima Japan
| | - Y. Saitoh
- Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine; Kagoshima University; Kagoshima Japan
| | - T. Sogawa
- Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine; Kagoshima University; Kagoshima Japan
| | - T. Sunaga
- Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine; Kagoshima University; Kagoshima Japan
| | - Y. Momoi
- Laboratory of Veterinary Diagnostic Imaging, Joint Faculty of Veterinary Medicine; Kagoshima University; Kagoshima Japan
| | - H. Izumi
- Drug Safety Research Laboratories; Shin Nippon Biomedical Laboratories, Ltd.; Kagoshima Japan
| | - N. Miyoshi
- Laboratory of Veterinary Pathology, Joint Faculty of Veterinary Medicine; Kagoshima University; Kagoshima Japan
| | - Y. Endo
- Laboratory of Small Animal Internal Medicine, Joint Faculty of Veterinary Medicine; Kagoshima University; Kagoshima Japan
| | - M. Fujiki
- Laboratory of Veterinary Surgery, Joint Faculty of Veterinary Medicine; Kagoshima University; Kagoshima Japan
| | - H. Kawaguchi
- Department of Hygiene and Health Promotion Medicine; Kagoshima University Graduate School of Medical and Dental Sciences; Kagoshima Japan
| | - N. Miura
- Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine; Kagoshima University; Kagoshima Japan
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Jalilah AJ, Asanoma F, Fujiki M. Unveiling controlled breaking of the mirror symmetry of Eu(fod) 3 with α-/β-pinene and BINAP by circularly polarised luminescence (CPL), CPL excitation, and 19F-/ 31P{ 1H}-NMR spectra and Mulliken charges. Inorg Chem Front 2018; 5:2718-2733. [DOI: 10.1039/c8qi00509e] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
The first CPL signals at f–f transitions of Eu(fod)3 in α- and β-pinene as chiral solvents and with BINAP (1 : 1) in chloroform were detected.
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Affiliation(s)
- Abd Jalil Jalilah
- Division of Materials Science
- Graduate School of Science and Technology
- Nara Institute of Science and Technology
- Ikoma
- Japan
| | - Fumio Asanoma
- Division of Materials Science
- Graduate School of Science and Technology
- Nara Institute of Science and Technology
- Ikoma
- Japan
| | - Michiya Fujiki
- Division of Materials Science
- Graduate School of Science and Technology
- Nara Institute of Science and Technology
- Ikoma
- Japan
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44
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Nakanishi S, Hara N, Kuroda N, Tajima N, Fujiki M, Imai Y. Solvent-sensitive signs and magnitudes of circularly polarised luminescence and circular dichroism spectra: probing two phenanthrenes as emitters endowed with BINOL derivatives. Org Biomol Chem 2018; 16:1093-1100. [DOI: 10.1039/c7ob02308a] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A C2-symmeric binaphthyl framework bearing phenanthrene as the emitter exhibited circularly polarised luminescence (CPL) in dilute solutions.
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Affiliation(s)
- Shoma Nakanishi
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Higashi-Osaka
- Japan
| | - Nobuyuki Hara
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Higashi-Osaka
- Japan
| | - Natsuki Kuroda
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Higashi-Osaka
- Japan
| | - Nobuo Tajima
- Computational Materials Science Center
- National Institute for Materials Science 1-2-1 Sengen
- Tsukuba
- Japan
| | - Michiya Fujiki
- Graduate School of Materials Science
- Nara Institute of Science and Technology
- Ikoma
- Japan
| | - Yoshitane Imai
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Higashi-Osaka
- Japan
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Kitatobe T, Mimura Y, Tsujimoto S, Tajima N, Fujiki M, Imai Y. Circularly polarized luminescence from open- and closed-style axially chiral amphipathic binaphthyl fluorophores in water. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.10.036] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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46
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Hara N, Okazaki M, Shizuma M, Marumoto S, Tajima N, Fujiki M, Imai Y. Swapping Circularly Polarised Luminescence of Eu(III)-Binaphthyl Hybridized Luminophore with and without Oxymethylene Spacer. ChemistrySelect 2017. [DOI: 10.1002/slct.201701460] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Nobuyuki Hara
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Mamoru Okazaki
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Motohiro Shizuma
- Department of Biochemistry; Osaka Research Institute of Industrial Science and Technology, 1-6-50 Morinomiya, Joto-ku; Osaka 536-8553 Japan
| | - Shinsuke Marumoto
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Nobuo Tajima
- Computational Materials Science Center; National Institute for Materials Science, 1-2-1 Sengen, Tsukuba; Ibaraki 305-0047 Japan
| | - Michiya Fujiki
- Graduate School of Materials Science; Nara Institute of Science and Technology, Takayama, Ikoma; Nara 630-0192 Japan
| | - Yoshitane Imai
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
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47
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Hara N, Okazaki M, Shizuma M, Marumoto S, Tajima N, Fujiki M, Imai Y. Cover Picture: Swapping Circularly Polarised Luminescence of Eu(III)-Binaphthyl Hybridized Luminophore with and without Oxymethylene Spacer (ChemistrySelect 32/2017). ChemistrySelect 2017. [DOI: 10.1002/slct.201702659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Nobuyuki Hara
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Mamoru Okazaki
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Motohiro Shizuma
- Department of Biochemistry; Osaka Research Institute of Industrial Science and Technology, 1-6-50 Morinomiya, Joto-ku; Osaka 536-8553 Japan
| | - Shinsuke Marumoto
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Nobuo Tajima
- Computational Materials Science Center; National Institute for Materials Science, 1-2-1 Sengen, Tsukuba; Ibaraki 305-0047 Japan
| | - Michiya Fujiki
- Graduate School of Materials Science; Nara Institute of Science and Technology, Takayama, Ikoma; Nara 630-0192 Japan
| | - Yoshitane Imai
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
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Mimura Y, Kitamura S, Shizuma M, Kitamatsu M, Fujiki M, Imai Y. Solvent-Sensitive Sign Inversion of Excimer Origin Circularly Polarized Luminescence in Bipyrenyl Peptides. ChemistrySelect 2017. [DOI: 10.1002/slct.201701315] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Yuki Mimura
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Sayaka Kitamura
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Motohiro Shizuma
- Department of Biochemistry; Osaka Municipal Technical Research Institute, 1-6-50 Morinomiya, Joto-ku; Osaka 536-8553 Japan
| | - Mizuki Kitamatsu
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Michiya Fujiki
- Graduate School of Materials Science; Nara Institute of School and Technology, Takayama, Ikoma; Nara 630-0192 Japan
| | - Yoshitane Imai
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
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49
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Mimura Y, Kitamura S, Shizuma M, Kitamatsu M, Fujiki M, Imai Y. Cover Picture: Solvent-Sensitive Sign Inversion of Excimer Origin Circularly Polarized Luminescence in Bipyrenyl Peptides (ChemistrySelect 26/2017). ChemistrySelect 2017. [DOI: 10.1002/slct.201702012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yuki Mimura
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Sayaka Kitamura
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Motohiro Shizuma
- Department of Biochemistry; Osaka Municipal Technical Research Institute, 1-6-50 Morinomiya, Joto-ku; Osaka 536-8553 Japan
| | - Mizuki Kitamatsu
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Michiya Fujiki
- Graduate School of Materials Science; Nara Institute of School and Technology, Takayama, Ikoma; Nara 630-0192 Japan
| | - Yoshitane Imai
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
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Wang L, Yin L, Zhang W, Zhu X, Fujiki M. Circularly Polarized Light with Sense and Wavelengths To Regulate Azobenzene Supramolecular Chirality in Optofluidic Medium. J Am Chem Soc 2017; 139:13218-13226. [PMID: 28846842 DOI: 10.1021/jacs.7b07626] [Citation(s) in RCA: 125] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Circularly polarized light (CPL) as a massless physical force causes absolute asymmetric photosynthesis, photodestruction, and photoresolution. CPL handedness has long been believed to be the determining factor in the resulting product's chirality. However, product chirality as a function of the CPL handedness, irradiation wavelength, and irradiation time has not yet been studied systematically. Herein, we investigate this topic using achiral polymethacrylate carrying achiral azobenzene as micrometer-size aggregates in an optofluidic medium with a tuned refractive index. Azobenzene chirality with a high degree of dissymmetry ratio (±1.3 × 10-2 at 313 nm) was generated, inverted, and switched in multiple cycles by irradiation with monochromatic incoherent CPL (313, 365, 405, and 436 nm) for 20 s using a weak incoherent light source (≈ 30 μW·cm-2). Moreover, the optical activity was retained for over 1 week in the dark. Photoinduced chirality was swapped by the irradiating wavelength, regardless of whether the CPL sense was the same. This scenario is similar to the so-called Cotton effect, which was first described in 1895. The tandem choice of both CPL sense and its wavelength was crucial for azobenzene chirality. Our experimental proof and theoretical simulation should provide new insight into the chirality of CPL-controlled molecules, supramolecules, and polymers.
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Affiliation(s)
- Laibing Wang
- Graduate School of Materials Science, Nara Institute of Science and Technology , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan.,College of Chemistry, Chemical Engineering and Materials Science, Soochow University , Suzhou 215123, China
| | - Lu Yin
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University , Suzhou 215123, China
| | - Wei Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University , Suzhou 215123, China
| | - Xiulin Zhu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University , Suzhou 215123, China
| | - Michiya Fujiki
- Graduate School of Materials Science, Nara Institute of Science and Technology , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
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