1
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Goual N, Maisonneuve S, Retailleau P, Xie J, Marinetti A, Voituriez A. Synthesis and Characterization of a [1,2,6]Diazaphosphonine Oxide: An Example of a Photoswitchable Phosphorus-Containing Cyclic Azobenzene. J Org Chem 2024; 89:5098-5103. [PMID: 38452258 DOI: 10.1021/acs.joc.3c02450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2024]
Abstract
We report herein the synthesis and characterization of a phosphorus-containing cyclic azobenzene as a new photoswitchable scaffold. This backbone reveals high bidirectional photoswitching yields and high thermal stability for both isomers, with t1/2 > 90 days at 60 °C. Both E- and Z-isomers have been characterized by UV-vis spectroscopy and X-ray crystallography.
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Affiliation(s)
- Nawel Goual
- CNRS, Institut de Chimie des Substances Naturelles, Université Paris-Saclay, UPR 2301, 91198 Gif-sur-Yvette, France
| | - Stéphane Maisonneuve
- ENS Paris-Saclay, CNRS, PPSM, Université Paris-Saclay, 91190 Gif-sur-Yvette, France
| | - Pascal Retailleau
- CNRS, Institut de Chimie des Substances Naturelles, Université Paris-Saclay, UPR 2301, 91198 Gif-sur-Yvette, France
| | - Juan Xie
- ENS Paris-Saclay, CNRS, PPSM, Université Paris-Saclay, 91190 Gif-sur-Yvette, France
| | - Angela Marinetti
- CNRS, Institut de Chimie des Substances Naturelles, Université Paris-Saclay, UPR 2301, 91198 Gif-sur-Yvette, France
| | - Arnaud Voituriez
- CNRS, Institut de Chimie des Substances Naturelles, Université Paris-Saclay, UPR 2301, 91198 Gif-sur-Yvette, France
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2
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Mushtaque SGM, Kadam AR, Dhoble S. High color purity and color tunability in Sm3+/ Eu3+ activated/ co-activated Sr6Ca4(PO4)6F2 phosphor for WLED and display devices application. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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3
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Fung TH, Ng M, Wu NM, Yam VW. Dithienylethene‐Containing Cyclometalated Platinum(II) Complexes with Tunable Photochromic and Photophysical Properties. Eur J Inorg Chem 2022. [DOI: 10.1002/ejic.202200534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Tony Ho‐Ching Fung
- Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Maggie Ng
- Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Nathan Man‐Wai Wu
- Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Vivian Wing‐Wah Yam
- Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong P. R. China
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4
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Ikeda S, Yoshimura A, Shirahata T, Matano Y, Misaki Y. π-Conjugated Molecules Containing Tetrathiafulvalene and Benzo[ b]phosphole Oxide: Synthesis, Structure, and Electrochemical and Optical Properties. CHEM LETT 2021. [DOI: 10.1246/cl.210218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Shunki Ikeda
- Department of Applied Chemistry, Graduate School of Science and Engineering, Ehime University, 3 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan
| | - Aya Yoshimura
- Department of Applied Chemistry, Graduate School of Science and Engineering, Ehime University, 3 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan
- Research Unit for Power Generation and Storage Materials, 3 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan
| | - Takashi Shirahata
- Department of Applied Chemistry, Graduate School of Science and Engineering, Ehime University, 3 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan
- Research Unit for Power Generation and Storage Materials, 3 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan
- Research Unit for Development of Organic Superconductors, 2-5 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan
| | - Yoshihiro Matano
- Department of Chemistry, Faculty of Science, Niigata University, Nishi-ku, Niigata 950-2181, Japan
| | - Yohji Misaki
- Department of Applied Chemistry, Graduate School of Science and Engineering, Ehime University, 3 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan
- Research Unit for Power Generation and Storage Materials, 3 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan
- Research Unit for Development of Organic Superconductors, 2-5 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan
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5
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Yoshimura A, Misaki Y. Periphery Modification of Tetrathiafulvalenes: Recent Development and Applications. CHEM REC 2021; 21:3520-3531. [PMID: 34086402 DOI: 10.1002/tcr.202100107] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/13/2021] [Accepted: 05/14/2021] [Indexed: 12/17/2022]
Abstract
Tetrathiafulvalene (TTF) and its analogs are fascinating molecules in materials science based on their excellent electron-donating abilities. This personal account describes recent advances in the synthesis of TTF analogs for functional materials via the palladium-catalyzed modification of peripheries of TTF analogs. We first consider three types of molecules: fluorophore-TTF hybrid molecules, multi-redox systems, and an organic ligand for metal-organic frameworks. These molecules were successfully synthesized via Stille coupling or palladium-catalyzed direct C-H arylation and their structural, electrochemical, and optical properties were clarified. Subsequently, phosphorus-substituted TTF analogs were successfully synthesized for future applications of redox-active phosphine ligands for metal catalysts. The development of these molecules can significantly affect the advancement of chemical science.
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Affiliation(s)
- Aya Yoshimura
- Department of Applied Chemistry, Graduate School of Science and Engineering/ Research Unit for Power Generation and Storage Materials, Ehime University, 3 Bunkyo-cho, Matsuyama, 790-8577, Japan
| | - Yohji Misaki
- Department of Applied Chemistry, Graduate School of Science and Engineering/ Research Unit for Power Generation and Storage Materials, Ehime University, 3 Bunkyo-cho, Matsuyama, 790-8577, Japan.,Research Unit for Development of Organic Superconductors, Ehime University, 2-5 Bunkyo-cho, Matsuyama, 790-8577, Japan
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6
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Devillard M, Nour Eddine N, Cordier M, Alcaraz G. Dithienylethene‐Based Photochromic Siloles: A Straightforward and Divergent Synthetic Strategy. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202102540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Marc Devillard
- ISCR (Institut des Sciences Chimiques de Rennes)—, UMR 6226 Univ Rennes CNRS 35000 Rennes France
| | - Nour Nour Eddine
- ISCR (Institut des Sciences Chimiques de Rennes)—, UMR 6226 Univ Rennes CNRS 35000 Rennes France
| | - Marie Cordier
- ISCR (Institut des Sciences Chimiques de Rennes)—, UMR 6226 Univ Rennes CNRS 35000 Rennes France
| | - Gilles Alcaraz
- ISCR (Institut des Sciences Chimiques de Rennes)—, UMR 6226 Univ Rennes CNRS 35000 Rennes France
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7
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Devillard M, Nour Eddine N, Cordier M, Alcaraz G. Dithienylethene-Based Photochromic Siloles: A Straightforward and Divergent Synthetic Strategy. Angew Chem Int Ed Engl 2021; 60:12356-12359. [PMID: 33740313 DOI: 10.1002/anie.202102540] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/16/2021] [Indexed: 11/11/2022]
Abstract
A straightforward synthetic methodology for the preparation of photochromic siloles based on the dithienylethene motif is developed. It relies upon an efficient palladium-catalyzed annulation reaction of a 2,3-bis(3-thienyl)-silirene with terminal alkynes in mild conditions. The reaction is functional group-tolerant and can be performed in high yields with a variety of functional terminal alkynes. It can even be extended to a polymeric polypropargylmethacrylamide (PPMA) substrate affording the corresponding photochromic polymer with different degree of photochromic unit incorporation by simply adjusting the polymer/ silirene stoichiometric ratio.
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Affiliation(s)
- Marc Devillard
- ISCR (Institut des Sciences Chimiques de Rennes)-, UMR 6226, Univ Rennes, CNRS, 35000, Rennes, France
| | - Nour Nour Eddine
- ISCR (Institut des Sciences Chimiques de Rennes)-, UMR 6226, Univ Rennes, CNRS, 35000, Rennes, France
| | - Marie Cordier
- ISCR (Institut des Sciences Chimiques de Rennes)-, UMR 6226, Univ Rennes, CNRS, 35000, Rennes, France
| | - Gilles Alcaraz
- ISCR (Institut des Sciences Chimiques de Rennes)-, UMR 6226, Univ Rennes, CNRS, 35000, Rennes, France
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8
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Wong CL, Cheng YH, Poon CT, Yam VWW. Synthesis, Photophysical, Photochromic, and Photomodulated Resistive Memory Studies of Dithienylethene-Containing Copper(I) Diimine Complexes. Inorg Chem 2020; 59:14785-14795. [PMID: 32914626 DOI: 10.1021/acs.inorgchem.0c02089] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A series of dithienylethene-containing copper(I) diimine complexes have been synthesized and structurally characterized. Systematic studies on their photophysics, electrochemistry, and photochromism have been carried out. The photoinduced color changes of the copper(I) complexes have been achieved by photoexcitation into the metal-to-ligand charge-transfer (MLCT) absorption bands, indicating the photosensitization of light-induced cyclization by the 3MLCT excited state. In addition, by an increase in either the steric bulkiness around the copper(I) center or the structural rigidity of the complexes, the quantum efficiencies of photoluminescence and photocyclization can be effectively enhanced because of suppression of the flattening distortion of the complexes at the MLCT excited state. Furthermore, one of the complexes has been employed as an active component in the fabrication of solution-processed resistive memory devices. Notable lowering of the switching threshold voltage of the binary memory devices has been realized through photocyclization of the dithienylethene-containing copper(I) system.
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Affiliation(s)
- Cheok-Lam Wong
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Yat-Hin Cheng
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Chun-Ting Poon
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Vivian Wing-Wah Yam
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
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9
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Sponza AD, Liu D, Chen EP, Shaw A, Diawara L, Chiu M. Synthesis strategies for non-symmetric, photochromic diarylethenes. Org Biomol Chem 2020; 18:7238-7252. [PMID: 32926036 DOI: 10.1039/d0ob01556c] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Diarylethenes (DAEs) represent an important class of photochromes with notable characteristics, like thermally irreversible photoisomerization and high fatigue resistance. Structural diversification of the DAE scaffold has enabled further refinement of photochromic properties and realization of new applications, ranging from advanced materials to tools for studying biological systems. In particular, methods for synthesizing non-symmetric DAE scaffolds, which are typically more challenging to synthesize than their symmetric counterparts, have grown over the past 20 years. These developments are surveyed in this review, with discussion of how access to these compounds has contributed to the improvement of photochromic properties and paved the way for exploring new applications of DAEs. First, non-symmetric DAE structures are classified and their uses and applications are overviewed. Subsequent sections discuss the main strategies that have been used to access non-symmetric DAEs with examples illustrating the impact of non-symmetric DAEs in the growing field of light-controlled molecular systems.
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Affiliation(s)
- Alvaro D Sponza
- Department of Chemistry, Stony Brook University, Stony Brook, NY 11794, USA.
| | - Di Liu
- Department of Chemistry, Stony Brook University, Stony Brook, NY 11794, USA.
| | - Emily P Chen
- Department of Chemistry, Stony Brook University, Stony Brook, NY 11794, USA.
| | - Allison Shaw
- Department of Chemistry, Stony Brook University, Stony Brook, NY 11794, USA.
| | - Lassana Diawara
- Department of Chemistry, Stony Brook University, Stony Brook, NY 11794, USA.
| | - Melanie Chiu
- Department of Chemistry, Stony Brook University, Stony Brook, NY 11794, USA.
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10
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Wong CL, Ng M, Hong EYH, Wong YC, Chan MY, Yam VWW. Photoresponsive Dithienylethene-Containing Tris(8-hydroxyquinolinato)aluminum(III) Complexes with Photocontrollable Electron-Transporting Properties for Solution-Processable Optical and Organic Resistive Memory Devices. J Am Chem Soc 2020; 142:12193-12206. [DOI: 10.1021/jacs.0c03057] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Cheok-Lam Wong
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Maggie Ng
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Eugene Yau-Hin Hong
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Yi-Chun Wong
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Mei-Yee Chan
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Vivian Wing-Wah Yam
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
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11
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Wu NM, Ng M, Yam VW. Photochromic Benzo[
b
]phosphole Alkynylgold(I) Complexes with Mechanochromic Property to Serve as Multistimuli‐Responsive Materials. Angew Chem Int Ed Engl 2019; 58:3027-3031. [DOI: 10.1002/anie.201806272] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 06/30/2018] [Indexed: 11/09/2022]
Affiliation(s)
- Nathan Man‐Wai Wu
- Institute of Molecular Functional Materials, Areas of Excellence Scheme, University Grants Committee (Hong Kong) andDepartment of ChemistryThe University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Maggie Ng
- Institute of Molecular Functional Materials, Areas of Excellence Scheme, University Grants Committee (Hong Kong) andDepartment of ChemistryThe University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Vivian Wing‐Wah Yam
- Institute of Molecular Functional Materials, Areas of Excellence Scheme, University Grants Committee (Hong Kong) andDepartment of ChemistryThe University of Hong Kong Pokfulam Road Hong Kong P. R. China
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12
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Aiken S, Gabbutt CD, Heron BM, Rice CR, Zonidis D. Synthesis and photochromism of some mono and bis (thienyl) substituted oxathiine 2,2-dioxides. Org Biomol Chem 2019; 17:9578-9584. [DOI: 10.1039/c9ob02128k] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The addition of sulfenes to substituted enaminoketones, followed by a facile Cope elimination, provides access to a novel series of photochromic dithienylethenes containing a 1,2-oxathiine 2,2-dioxide core.
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Affiliation(s)
- Stuart Aiken
- Department of Chemical Sciences
- School of Applied Sciences
- University of Huddersfield
- Huddersfield
- UK
| | - Christopher D. Gabbutt
- Department of Chemical Sciences
- School of Applied Sciences
- University of Huddersfield
- Huddersfield
- UK
| | - B. Mark Heron
- Department of Chemical Sciences
- School of Applied Sciences
- University of Huddersfield
- Huddersfield
- UK
| | - Craig R. Rice
- Department of Chemical Sciences
- School of Applied Sciences
- University of Huddersfield
- Huddersfield
- UK
| | - Dimitrios Zonidis
- Department of Chemical Sciences
- School of Applied Sciences
- University of Huddersfield
- Huddersfield
- UK
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13
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Photochromic Benzo[
b
]phosphole Alkynylgold(I) Complexes with Mechanochromic Property to Serve as Multistimuli‐Responsive Materials. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201806272] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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14
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Synthesis, structure, photoluminescence and photochromism of phosphindole oxide and benzo[b]thiophene S,S-dioxide derivatives. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2017.08.061] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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15
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Cheung AFF, Hong EYH, Yam VWW. Supramolecular Assembly of Phosphole Oxide Based Alkynylplatinum(II) 2,6-Bis(N-alkylbenzimidazol-2'-yl)pyridine Complexes-An Interplay of Hydrophobicity and Aromatic π-Surfaces. Chemistry 2018; 24:1383-1393. [PMID: 29266490 DOI: 10.1002/chem.201704110] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Indexed: 01/27/2023]
Abstract
A new class of phosphole oxide based alkynylplatinum(II) 2,6-bis(N-alkylbenzimidazol-2'-yl)pyridine (bzimpy) complexes were synthesized and characterized. Their self-assembly was driven by hydrophobic-hydrophobic and π-π stacking interactions. The self-assembly properties were also investigated by UV/Vis absorption spectroscopy, which revealed that the alkyl-chain length of the bzimpy moiety and the π-surface area of the alkynyl ligand have significant influence on the overall self-assembly process. The alkyl-chain length also affected the morphological structures of the aggregates, which were studied by transmission electron microscopy and scanning electron microscopy.
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Affiliation(s)
- Andy Fu-Fai Cheung
- Institute of Molecular Functional Materials and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Eugene Yau-Hin Hong
- Institute of Molecular Functional Materials and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Vivian Wing-Wah Yam
- Institute of Molecular Functional Materials and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
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16
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Wang L, Yu T, Xie Z, Ubba E, Zhan T, Yang Z, Zhang Y, Chi Z. Gated photochromic molecules with AIEgen: turn-on the photochromism with an oxidation reagent. RSC Adv 2018; 8:18613-18618. [PMID: 35541149 PMCID: PMC9080581 DOI: 10.1039/c8ra02828a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Accepted: 05/07/2018] [Indexed: 12/17/2022] Open
Abstract
Gated photochromic molecule: switchable photochromic materials with AIEgen were achieved. Oxidation reagents act as gates to switch the photochromic properties.
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Affiliation(s)
- Leyu Wang
- PCFM Lab
- GD HPPC Lab
- Guangdong
- Engineering Technology Research Center for High-performance Organic
- Polymer Photoelectric Functional Films
| | - Tao Yu
- PCFM Lab
- GD HPPC Lab
- Guangdong
- Engineering Technology Research Center for High-performance Organic
- Polymer Photoelectric Functional Films
| | - Zongliang Xie
- PCFM Lab
- GD HPPC Lab
- Guangdong
- Engineering Technology Research Center for High-performance Organic
- Polymer Photoelectric Functional Films
| | - Eethamukkala Ubba
- PCFM Lab
- GD HPPC Lab
- Guangdong
- Engineering Technology Research Center for High-performance Organic
- Polymer Photoelectric Functional Films
| | - Tianya Zhan
- PCFM Lab
- GD HPPC Lab
- Guangdong
- Engineering Technology Research Center for High-performance Organic
- Polymer Photoelectric Functional Films
| | - Zhiyong Yang
- PCFM Lab
- GD HPPC Lab
- Guangdong
- Engineering Technology Research Center for High-performance Organic
- Polymer Photoelectric Functional Films
| | - Yi Zhang
- PCFM Lab
- GD HPPC Lab
- Guangdong
- Engineering Technology Research Center for High-performance Organic
- Polymer Photoelectric Functional Films
| | - Zhenguo Chi
- PCFM Lab
- GD HPPC Lab
- Guangdong
- Engineering Technology Research Center for High-performance Organic
- Polymer Photoelectric Functional Films
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17
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Wu NMW, Ng M, Lam WH, Wong HL, Yam VWW. Photochromic Heterocycle-Fused Thieno[3,2-b]phosphole Oxides as Visible Light Switches without Sacrificing Photoswitching Efficiency. J Am Chem Soc 2017; 139:15142-15150. [DOI: 10.1021/jacs.7b08333] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Nathan Man-Wai Wu
- Institute of Molecular Functional
Materials [Areas of Excellence Scheme, University Grant Committee
(Hong Kong)] and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, PR China
| | - Maggie Ng
- Institute of Molecular Functional
Materials [Areas of Excellence Scheme, University Grant Committee
(Hong Kong)] and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, PR China
| | - Wai Han Lam
- Institute of Molecular Functional
Materials [Areas of Excellence Scheme, University Grant Committee
(Hong Kong)] and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, PR China
| | - Hok-Lai Wong
- Institute of Molecular Functional
Materials [Areas of Excellence Scheme, University Grant Committee
(Hong Kong)] and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, PR China
| | - Vivian Wing-Wah Yam
- Institute of Molecular Functional
Materials [Areas of Excellence Scheme, University Grant Committee
(Hong Kong)] and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, PR China
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18
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Wong CL, Poon CT, Yam VWW. Photoresponsive Organogelator: Utilization of Boron(III) Diketonate as a Building Block To Construct Multiresponsive Materials. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00274] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Cheok-Lam Wong
- Institute of Molecular Functional
Materials [Areas of Excellence Scheme, University Grants Committee
(Hong Kong)] and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, People’s Republic of China
| | - Chun-Ting Poon
- Institute of Molecular Functional
Materials [Areas of Excellence Scheme, University Grants Committee
(Hong Kong)] and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, People’s Republic of China
| | - Vivian Wing-Wah Yam
- Institute of Molecular Functional
Materials [Areas of Excellence Scheme, University Grants Committee
(Hong Kong)] and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, People’s Republic of China
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19
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Wu NMW, Wong HL, Yam VWW. Photochromic benzo[ b]phosphole oxide with excellent thermal irreversibility and fatigue resistance in the thin film solid state via direct attachment of dithienyl units to the weakly aromatic heterocycle. Chem Sci 2017; 8:1309-1315. [PMID: 28616140 PMCID: PMC5460600 DOI: 10.1039/c6sc02928k] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Accepted: 09/30/2016] [Indexed: 12/19/2022] Open
Abstract
A novel photochromic benzo[b]phosphole oxide has been demonstrated to display photochromic properties with excellent fatigue resistance and thermal irreversibility in polymethylmethacrylate (PMMA) thin film under ambient conditions. The remarkable photochromic behaviour can be achieved by rational molecular design, in which the weakly aromatic phosphole oxide is directly incorporated into the photo-responsive dithienylethene units. Photopatterning via photoinduced colouration and decolouration has been performed to demonstrate the repeatable and distinct transformation between the bistable states, making it a promising candidate with photoswitching properties for optoelectronic applications.
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Affiliation(s)
- Nathan Man-Wai Wu
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) , Department of Chemistry , The University of Hong Kong , Pokfulam , Hong Kong , China . ; ; Tel: +852 2859 2153
| | - Hok-Lai Wong
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) , Department of Chemistry , The University of Hong Kong , Pokfulam , Hong Kong , China . ; ; Tel: +852 2859 2153
| | - Vivian Wing-Wah Yam
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) , Department of Chemistry , The University of Hong Kong , Pokfulam , Hong Kong , China . ; ; Tel: +852 2859 2153
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20
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Wong CL, Poon CT, Yam VWW. Photochromic Dithienylethene-Containing Boron(III) Ketoiminates: Modulation of Photo-Responsive Behavior through Variation of Intramolecular Motion. Chemistry 2016; 22:12931-40. [DOI: 10.1002/chem.201601585] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Indexed: 12/16/2022]
Affiliation(s)
- Cheok-Lam Wong
- Institute of Molecular Functional Materials; (Areas of Excellence Scheme, University Grant Committee (Hong Kong)) and; Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong P. R. China
| | - Chun-Ting Poon
- Institute of Molecular Functional Materials; (Areas of Excellence Scheme, University Grant Committee (Hong Kong)) and; Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong P. R. China
| | - Vivian Wing-Wah Yam
- Institute of Molecular Functional Materials; (Areas of Excellence Scheme, University Grant Committee (Hong Kong)) and; Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong P. R. China
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21
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Shameem MA, Orthaber A. Organophosphorus Compounds in Organic Electronics. Chemistry 2016; 22:10718-35. [DOI: 10.1002/chem.201600005] [Citation(s) in RCA: 156] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2016] [Indexed: 12/12/2022]
Affiliation(s)
- Muhammad Anwar Shameem
- Department of Chemistry-Ångström Laboratories; Uppsala University; Box 523 75120 Uppsala Sweden
| | - Andreas Orthaber
- Department of Chemistry-Ångström Laboratories; Uppsala University; Box 523 75120 Uppsala Sweden
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22
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Kondrasenko I, Tsai ZH, Chung KY, Chen YT, Ershova YY, Doménech-Carbó A, Hung WY, Chou PT, Karttunen AJ, Koshevoy IO. Ambipolar Phosphine Derivatives to Attain True Blue OLEDs with 6.5% EQE. ACS APPLIED MATERIALS & INTERFACES 2016; 8:10968-10976. [PMID: 27100797 DOI: 10.1021/acsami.6b01041] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A family of new branched phosphine derivatives {Ph2N-(C6H4)n-}3P → E (E = O 1-3, n = 1-3; E = S 4-6, n = 1-3; E = Se 7-9, n = 1-3; E = AuC6F5 4-6, n = 1-3), which are the donor-acceptor type molecules, exhibit efficient deep blue room temperature fluorescence (λem = 403-483 nm in CH2Cl2 solution, λem = 400-469 nm in the solid state). Fine tuning the emission characteristics can be achieved varying the length of aromatic oligophenylene bridge -(C6H4)n-. The pyramidal geometry of central R3P → E fragment on the one hand disrupts π-conjugation between the branches to preserve blue luminescence and high triplet energy, while on the other hand provides amorphous materials to prevent excimer formation and fluorescence self-quenching. Hence, compounds 2, 3, 5, and 12 were used as emitters to fabricate nondoped and doped electroluminescent devices. The luminophore 2 (E = O, n = 2) demonstrates excellently balanced bipolar charge transport and good nondoped device performance with a maximum external quantum efficiency (EQEmax) of 3.3% at 250 cd/m(2) and Commission International de L'Eclairage (CIE) coordinates of (0.15, 0.08). The doped device of 3 (E = O, n = 3) shows higher efficiency (EQEmax of 6.5, 6.0 at 100 cd/m(2)) and high color purity with CIE (0.15, 0.06) that matches the HDTV standard blue. The time-resolved electroluminescence measurement indicates that high efficiency of the device can be attributed to the triplet-triplet annihilation to enhance generation of singlet excitons.
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Affiliation(s)
- Ilya Kondrasenko
- University of Eastern Finland , Department of Chemistry, Joensuu 80101, Finland
| | - Zheng-Hua Tsai
- Institute of Optoelectronic Sciences, National Taiwan Ocean University , Keelung 20224, Taiwan
| | - Kun-You Chung
- National Taiwan University , Department of Chemistry, Taipei 10617, Taiwan
| | - Yi-Ting Chen
- Soochow University , Department of Chemistry, Lin-shih Rd. 70, Shih-Lin Taipei, TW 111, Taiwan
| | - Yana Yu Ershova
- University of Eastern Finland , Department of Chemistry, Joensuu 80101, Finland
| | | | - Wen-Yi Hung
- Institute of Optoelectronic Sciences, National Taiwan Ocean University , Keelung 20224, Taiwan
| | - Pi-Tai Chou
- National Taiwan University , Department of Chemistry, Taipei 10617, Taiwan
| | | | - Igor O Koshevoy
- University of Eastern Finland , Department of Chemistry, Joensuu 80101, Finland
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23
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Reus C, Baumgartner T. Stimuli-responsive chromism in organophosphorus chemistry. Dalton Trans 2016; 45:1850-5. [DOI: 10.1039/c5dt02758f] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The last five years have seen a huge advance in organophosphorus chemistry with respect to compounds with strong chromic responses to external stimuli. This Frontier article briefly summarizes these trends in order to especially highlight the broad versatility of phosphole-based scaffolds in chromic materials.
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Affiliation(s)
- Christian Reus
- Department of Chemistry and Centre for Advanced Solar Materials
- University of Calgary
- Calgary
- Canada
| | - Thomas Baumgartner
- Department of Chemistry and Centre for Advanced Solar Materials
- University of Calgary
- Calgary
- Canada
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24
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Zhou Y, Yang S, Li J, He G, Duan Z, Mathey F. Phosphorus and silicon-bridged stilbenes: synthesis and optoelectronic properties. Dalton Trans 2016; 45:18308-18312. [DOI: 10.1039/c6dt03489f] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Blue light-emitting phosphorus and silicon-bridged stilbenes have been synthesized and characterized.
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Affiliation(s)
- Yang Zhou
- College of Chemistry and Molecular Engineering
- International Phosphorus Laboratory
- International Joint Research Laboratory for Functional Organophosphorus Materials of Henan Province
- Zhengzhou University
- Zhengzhou 450001
| | - Shuai Yang
- National Engineering Lab for TFT-LCD Materials and Technologies
- Department of Electronic Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Jun Li
- College of Chemistry and Molecular Engineering
- International Phosphorus Laboratory
- International Joint Research Laboratory for Functional Organophosphorus Materials of Henan Province
- Zhengzhou University
- Zhengzhou 450001
| | - Gufeng He
- National Engineering Lab for TFT-LCD Materials and Technologies
- Department of Electronic Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Zheng Duan
- College of Chemistry and Molecular Engineering
- International Phosphorus Laboratory
- International Joint Research Laboratory for Functional Organophosphorus Materials of Henan Province
- Zhengzhou University
- Zhengzhou 450001
| | - Francois Mathey
- College of Chemistry and Molecular Engineering
- International Phosphorus Laboratory
- International Joint Research Laboratory for Functional Organophosphorus Materials of Henan Province
- Zhengzhou University
- Zhengzhou 450001
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25
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Iijima S, Nakashima T, Kawai T. Stereoselective photoreaction in P-stereogenic dithiazolylbenzo[b]phosphole chalcogenides. NEW J CHEM 2016. [DOI: 10.1039/c6nj02446g] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The diastereoselective photoreaction of dithiazolylbenzo[b]phosphole chalcogenides was achieved by means of the conformational control of the photoprecursor state by intramolecular interactions involving the stereogenic phosphorus.
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Affiliation(s)
- Shunsuke Iijima
- Graduate School of Materials Science
- Nara Institute of Science and Technology
- NAIST
- Nara
- Japan
| | - Takuya Nakashima
- Graduate School of Materials Science
- Nara Institute of Science and Technology
- NAIST
- Nara
- Japan
| | - Tsuyoshi Kawai
- Graduate School of Materials Science
- Nara Institute of Science and Technology
- NAIST
- Nara
- Japan
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