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Enríquez-Palacios E, Robledo-Patiño AV, Zelada-Guillén GA. Zn-Salphen Acrylic Films Powered by Aggregation-Induced Enhanced Emission for Sensing Applications. J Fluoresc 2023:10.1007/s10895-023-03399-6. [PMID: 37665511 DOI: 10.1007/s10895-023-03399-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 08/16/2023] [Indexed: 09/05/2023]
Abstract
Zn(II) complexes possess attractive characteristics for supramolecular chemistry, catalysis, and optoelectronic applications, while Zn-Salphen counterparts are also suitable as chemical sensors, although limited by solution-based to date. In this study, we report the synthesis of new polymers from methyl methacrylate, n-butyl acrylate, and a non-symmetrical Zn-Salphen complex. We show that this low-fluorescent complex exhibits aggregation-induced emission enhancement (AIEE) properties and that, the incorporation of AIEE complexes into a polymeric matrix make it possible to achieve fluorescent films with enhanced fluorescence suitable for sensing applications. As a proof of concept, these films could detect acetic acid, showing a decrease of up to 73% in the original fluorescence. Host/guest studies showed a subtle disruption of the emission in aggregates upon treatment with anion guests. These results indicate that an interaction between the guest and Zn-Salphen complex may occur, stabilizing or destabilizing the complex and causing a concomitant increase or decrease in emission.
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Affiliation(s)
- Ernesto Enríquez-Palacios
- School of Chemistry, National Autonomous University of Mexico (UNAM), Circuito Escolar s/n, Ciudad Universitaria, Mexico City, 04510, Mexico.
| | - Ana Victoria Robledo-Patiño
- School of Chemistry, National Autonomous University of Mexico (UNAM), Circuito Escolar s/n, Ciudad Universitaria, Mexico City, 04510, Mexico
| | - Gustavo A Zelada-Guillén
- School of Chemistry, National Autonomous University of Mexico (UNAM), Circuito Escolar s/n, Ciudad Universitaria, Mexico City, 04510, Mexico.
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2
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Xia Y, He S, Bao J, Hirao H, Yiu SM, Chan MCW. Cooperativity in Shape-Persistent Bis-(Zn-salphen) Catalysts for Efficient Cyclic Carbonate Synthesis under Mild Conditions. Inorg Chem 2022; 61:19543-19551. [DOI: 10.1021/acs.inorgchem.2c03480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Yeqing Xia
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Shixiong He
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Junhui Bao
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Hajime Hirao
- Warshel Institute for Computational Biology, School of Life and Health Sciences, School of Medicine, The Chinese University of Hong Kong, Shenzhen, Shenzhen, Guangdong518172, P.R. China
| | - Shek-Man Yiu
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Michael C. W. Chan
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
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3
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Tarrío JJ, Rodríguez R, Fernández B, Quiñoá E, Freire F. Dissymmetric Chiral Poly(diphenylacetylene)s: Secondary Structure Elucidation and Dynamic Luminescence. Angew Chem Int Ed Engl 2022; 61:e202115070. [DOI: 10.1002/anie.202115070] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Indexed: 12/17/2022]
Affiliation(s)
- Juan José Tarrío
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) and Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Rafael Rodríguez
- WPI Nano Life Science Institute (WPI-NanoLSI) Kanazawa University Kakuma-machi Kanazawa 920-1192 Japan
| | - Berta Fernández
- Departamento de Química Física Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Emilio Quiñoá
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) and Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Félix Freire
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) and Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
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Freire F, Tarrío JJ, Rodríguez R, Fernández B, Quiñoá E. Dissymmetric Chiral Poly(diphenylacetylene)s: Secondary Structure Elucidation and Dynamic Luminescence. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202115070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Felix Freire
- Universidade de Santiago de Compostela Centre for Research in Biological Chemistry and Molecular Materials Jenaro de la Fuente street s/n 15782 Santiago de Compostela SPAIN
| | - Juan José Tarrío
- Universidade de Santiago de Compostela - Campus de Santiago: Universidade de Santiago de Compostela CiQUS SPAIN
| | - Rafael Rodríguez
- Kanazawa University - Kakuma Campus: Kanazawa Daigaku Organic Chemsitry JAPAN
| | - Berta Fernández
- Universidade de Santiago de Compostela - Campus de Santiago: Universidade de Santiago de Compostela Physical Chemistry RWANDA
| | - Emilio Quiñoá
- Universidade de Santiago de Compostela - Campus de Santiago: Universidade de Santiago de Compostela CiQUS SPAIN
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Zhao C, Meng S, Chan HN, Wang X, Li HW, Chan MCW. Saccharide‐Functionalized Poly(Zn‐salphen)‐alt‐(m‐ and p‐phenyleneethynylene)s as Dynamic Helical Metallopolymers. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202115712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Chao Zhao
- City University of Hong Kong Chemistry HONG KONG
| | | | - Hei-Nga Chan
- The Chinese University of Hong Kong Chemistry HONG KONG
| | - Xueli Wang
- Hong Kong Baptist University Chemistry HONG KONG
| | - Hung-Wing Li
- The Chinese University of Hong Kong Chemistry HONG KONG
| | - Michael C. W. Chan
- City University of Hong Kong Department of Chemistry Tat Chee Avenue - Kowloon HONG KONG
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Zhao C, Meng S, Chan HN, Wang X, Li HW, Chan MCW. Saccharide-Functionalized Poly(Zn-salphen)-alt-(m- and p-phenyleneethynylene)s as Dynamic Helical Metallopolymers. Angew Chem Int Ed Engl 2021; 61:e202115712. [PMID: 34968004 DOI: 10.1002/anie.202115712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Indexed: 11/08/2022]
Abstract
The study of metallopolymers with controllable helical sense remains in its infancy. We report arabinose-functionalized (Zn-salphen)-based conjugated polymers that display mirror-image circular dichroism spectra for L- and D-sugar sidechains respectively, signifying ordered (helical) coiling of the polymer backbone with opposite screw-sense preferences. The observation of different spectroscopic behavior and Cotton effects for a variety of solvents (in a reversible manner) and temperatures, ascribed to changes in the extent of intrachain (Zn⋅⋅⋅O(salphen) and π-stacking) interactions between Zn-salphen moieties, thus indicate the flexible, responsive and dynamic nature of the folded helical conformation in these systems. An application study signifying that activity can be governed by the structure and helical sense of the polymer is described.
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Affiliation(s)
- Chao Zhao
- City University of Hong Kong, Chemistry, HONG KONG
| | | | - Hei-Nga Chan
- The Chinese University of Hong Kong, Chemistry, HONG KONG
| | - Xueli Wang
- Hong Kong Baptist University, Chemistry, HONG KONG
| | - Hung-Wing Li
- The Chinese University of Hong Kong, Chemistry, HONG KONG
| | - Michael C W Chan
- City University of Hong Kong, Department of Chemistry, Tat Chee Avenue, -, Kowloon, HONG KONG
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Zelada-Guillén GA, Cuéllar-Sánchez AB, Romero-Ávila M, Escárcega-Bobadilla MV. Synthesis of a Novel Zn-Salphen Building Block and Its Acrylic Terpolymer Counterparts as Tunable Supramolecular Recognition Systems. MOLECULES (BASEL, SWITZERLAND) 2019; 24:molecules24122245. [PMID: 31208097 PMCID: PMC6631749 DOI: 10.3390/molecules24122245] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 05/25/2019] [Accepted: 05/30/2019] [Indexed: 02/06/2023]
Abstract
In this work, we present the synthesis of a novel Zn-Salphen complex containing an allyl group, which was used as building block in the further preparation of a new family of functional terpolymers. These polymers were obtained through radical co-polymerization with methyl metacrylate (MMA) and n-butyl acrylate (nBuA) in different ratios. The supramolecular recognition behavior of each polymer was evaluated via potentiometric measurements against selected anions in aqueous media. Interestingly, this proof of concept study shows that these systems were selective against only fluoride (F−) or both, fluoride and acetate (OAc−), by tailoring the relative content of Zn-Salphen monomer, thus making them a promising starting point for modular design of chemical sensors through straightforward synthetic approaches.
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Affiliation(s)
- Gustavo A Zelada-Guillén
- School of Chemistry, National Autonomous University of Mexico (UNAM), Circuito Escolar s/n, Ciudad Universitaria, Mexico City 04510, Mexico.
| | - Ana B Cuéllar-Sánchez
- School of Chemistry, National Autonomous University of Mexico (UNAM), Circuito Escolar s/n, Ciudad Universitaria, Mexico City 04510, Mexico.
| | - Margarita Romero-Ávila
- School of Chemistry, National Autonomous University of Mexico (UNAM), Circuito Escolar s/n, Ciudad Universitaria, Mexico City 04510, Mexico.
| | - Martha V Escárcega-Bobadilla
- School of Chemistry, National Autonomous University of Mexico (UNAM), Circuito Escolar s/n, Ciudad Universitaria, Mexico City 04510, Mexico.
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Wang Y, Astruc D, Abd-El-Aziz AS. Metallopolymers for advanced sustainable applications. Chem Soc Rev 2019; 48:558-636. [PMID: 30506080 DOI: 10.1039/c7cs00656j] [Citation(s) in RCA: 100] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Since the development of metallopolymers, there has been tremendous interest in the applications of this type of materials. The interest in these materials stems from their potential use in industry as catalysts, biomedical agents in healthcare, energy storage and production as well as climate change mitigation. The past two decades have clearly shown exponential growth in the development of many new classes of metallopolymers that address these issues. Today, metallopolymers are considered to be at the forefront for discovering new and sustainable heterogeneous catalysts, therapeutics for drug-resistant diseases, energy storage and photovoltaics, molecular barometers and thermometers, as well as carbon dioxide sequesters. The focus of this review is to highlight the advances in design of metallopolymers with specific sustainable applications.
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Affiliation(s)
- Yanlan Wang
- Liaocheng University, Department of Chemistry and Chemical Engineering, 252059, Liaocheng, China.
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Ikai T, Shimizu S, Awata S, Shinohara KI. Chiral Amplification in π-Conjugated Helical Polymers with Circularly Polarized Luminescence. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b00229] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Tomoyuki Ikai
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Sho Shimizu
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Seiya Awata
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Ken-ichi Shinohara
- School of Materials Science, Japan Advanced Institute of Science and Technology (JAIST), 1-1
Asahi-dai, Nomi 923-1292, Japan
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Sahu H, Shukla R, Goswami J, Gaur P, Panda AN. Alternating phenylene and furan/pyrrole/thiophene units-based oligomers: A computational study of the structures and optoelectronic properties. Chem Phys Lett 2018. [DOI: 10.1016/j.cplett.2017.12.034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Lu Z, Cai Y, Wei Y, Lin Q, Chen J, He X, Li S, Wu W, Xia H. Photothermal Möbius aromatic metallapentalenofuran and its NIR-responsive copolymer. Polym Chem 2018. [DOI: 10.1039/c8py00176f] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A novel thermally and NIR-light responsive metallopolymer was copolymerized from a photothermal aromatic metallapentalenofuran and a glycol methyl ether methacrylate.
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Affiliation(s)
- Zhengyu Lu
- Department of Materials Science and Engineering
- College of Materials
- Xiamen University
- Xiamen 361005
- People's Republic of China
| | - Yuanting Cai
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM)
- College of Chemistry and Chemical Engineering
- Xiamen University
- Xiamen 361005
- People's Republic of China
| | - Yuanqing Wei
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM)
- College of Chemistry and Chemical Engineering
- Xiamen University
- Xiamen 361005
- People's Republic of China
| | - Qin Lin
- Department of Materials Science and Engineering
- College of Materials
- Xiamen University
- Xiamen 361005
- People's Republic of China
| | - Jiangxi Chen
- Department of Materials Science and Engineering
- College of Materials
- Xiamen University
- Xiamen 361005
- People's Republic of China
| | - Xumin He
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM)
- College of Chemistry and Chemical Engineering
- Xiamen University
- Xiamen 361005
- People's Republic of China
| | - Shunhua Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM)
- College of Chemistry and Chemical Engineering
- Xiamen University
- Xiamen 361005
- People's Republic of China
| | - Weitai Wu
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM)
- College of Chemistry and Chemical Engineering
- Xiamen University
- Xiamen 361005
- People's Republic of China
| | - Haiping Xia
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM)
- College of Chemistry and Chemical Engineering
- Xiamen University
- Xiamen 361005
- People's Republic of China
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12
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Clarke RM, Jeen T, Rigo S, Thompson JR, Kaake LG, Thomas F, Storr T. Exploiting exciton coupling of ligand radical intervalence charge transfer transitions to tune NIR absorption. Chem Sci 2017; 9:1610-1620. [PMID: 29675206 PMCID: PMC5887452 DOI: 10.1039/c7sc04537a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Accepted: 12/18/2017] [Indexed: 12/03/2022] Open
Abstract
We detail the rational design of a series of bimetallic bis-ligand radical Ni salen complexes in which the relative orientation of the ligand radical chromophores provides a mechanism to tune the energy of intense intervalence charge transfer (IVCT) bands in the near infrared (NIR) region.
We detail the rational design of a series of bimetallic bis-ligand radical Ni salen complexes in which the relative orientation of the ligand radical chromophores provides a mechanism to tune the energy of intense intervalence charge transfer (IVCT) bands in the near infrared (NIR) region. Through a suite of experimental (electrochemistry, electron paramagnetic resonance spectroscopy, UV-vis-NIR spectroscopy) and theoretical (density functional theory) techniques, we demonstrate that bimetallic Ni salen complexes form bis-ligand radicals upon two-electron oxidation, whose NIR absorption energies depend on the geometry imposed in the bis-ligand radical complex. Relative to the oxidized monomer [1˙]+ (E = 4500 cm–1, ε = 27 700 M–1 cm–1), oxidation of the cofacially constrained analogue 2 to [2˙˙]2+ results in a blue-shifted NIR band (E = 4830 cm–1, ε = 42 900 M–1 cm–1), while oxidation of 5 to [5˙˙]2+, with parallel arrangement of chromophores, results in a red-shifted NIR band (E = 4150 cm–1, ε = 46 600 M–1 cm–1); the NIR bands exhibit double the intensity in comparison to the monomer. Oxidation of the intermediate orientations results in band splitting for [3˙˙]2+ (E = 4890 and 4200 cm–1; ε = 26 500 and 21 100 M–1 cm–1), and a red-shift for [4˙˙]2+ using ortho- and meta-phenylene linkers, respectively. This study demonstrates for the first time, the applicability of exciton coupling to ligand radical systems absorbing in the NIR region and shows that by simple geometry changes, it is possible to tune the energy of intense low energy absorption by nearly 400 nm.
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Affiliation(s)
- Ryan M Clarke
- Department of Chemistry , Simon Fraser University , V5A1S6 , Burnaby , BC , Canada .
| | - Tiffany Jeen
- Department of Chemistry , Simon Fraser University , V5A1S6 , Burnaby , BC , Canada .
| | - Serena Rigo
- Department of Chemistry , Simon Fraser University , V5A1S6 , Burnaby , BC , Canada .
| | - John R Thompson
- Department of Chemistry , Simon Fraser University , V5A1S6 , Burnaby , BC , Canada .
| | - Loren G Kaake
- Department of Chemistry , Simon Fraser University , V5A1S6 , Burnaby , BC , Canada .
| | - Fabrice Thomas
- Départment de Chimie Moléculaire - Chimie Inorganique Redox (CIRE) - UMR CNRS 5250 , Université Grenoble-Alpes , B.P. 53 , 38041 Grenoble Cedex 9 , France
| | - Tim Storr
- Department of Chemistry , Simon Fraser University , V5A1S6 , Burnaby , BC , Canada .
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