1
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Balamut B, Hughes RP, Aprahamian I. Tuning the Properties of Hydrazone/Isosorbide-Based Switchable Chiral Dopants. J Am Chem Soc 2024; 146:24561-24569. [PMID: 39163573 DOI: 10.1021/jacs.4c07848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/22/2024]
Abstract
The long-range supramolecular interactions in liquid crystals (LCs) can be used to amplify and subsequently propagate microscopic structural changes into macroscopic events. Here, we report on a systematic structure-property analysis using 16 chiral photoswitchable dopants composed of bistable hydrazones and chiral isosorbide moieties. Our findings showcase the relationship between the dopant's structure and its helical twisting power (β), and hence, the photophysical properties of the host LC. We show that an increase in the hydrazone CNNH dihedral angle results in an increase in the β value, while alkoxy chains do not lead to such an increase. These results contradict established rules of thumb, stating that structural rigidity and long alky chains are needed for high β values. We also found that the position of the substitution, whether at the 2' or 5' positions of the isosorbide unit, or the attachment of the chiral unit to the rotor or stator phenyl units can have negative or positive additive effects that can either increase or decrease the β values. These results made us hypothesize that unsymmetrically functionalized dopants should result in large Δβ values, which we corroborated experimentally. Moreover, a fluorine-functionalized dopant resulted in higher overall β values, most likely because of π-π interactions. Finally, the dopants were used in modulating and locking in the reflective properties of LC films, yielding multicolor LC canvases that can reflect light from the ultraviolet to the infrared range (i.e., a manipulation of up to ca. 1500 nm of reflected light).
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Affiliation(s)
- Brandon Balamut
- Department of Chemistry, Dartmouth College, 6128 Burke Laboratory, Hanover, New Hampshire 03755, United States
| | - Russell P Hughes
- Department of Chemistry, Dartmouth College, 6128 Burke Laboratory, Hanover, New Hampshire 03755, United States
| | - Ivan Aprahamian
- Department of Chemistry, Dartmouth College, 6128 Burke Laboratory, Hanover, New Hampshire 03755, United States
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2
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Park KC, Lim J, Thaggard GC, Shustova NB. Mining for Metal-Organic Systems: Chemistry Frontiers of Th-, U-, and Zr-Materials. J Am Chem Soc 2024; 146:18189-18204. [PMID: 38943655 DOI: 10.1021/jacs.4c06088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/01/2024]
Abstract
The conceptual framework presented in this Perspective overviews the design principles of innovative thorium-based materials that could address urgent needs of the medicinal, nuclear energy, and waste remediation sectors from the lens of zirconium and uranium analogs. We survey the intersections of Zr, Th, and U chemistry with a focus on how the intrinsic behavior of each metal translates to broader material properties, including, but not limited to, structural and topological diversity, preferential metal-ligand binding, and reactivity. On the example of several classes of materials, including organometallic complexes, polyoxometalates, and the primary focus of this Perspective, metal-organic frameworks (MOFs), the design principles that govern the preparation of Zr-, Th-, and U-compounds, including oxophilicity, variation in oxidation states, and stable coordination environments have been considered. Further, we highlight how the impact of the mentioned variables may shift throughout the progression from discrete molecular systems to extended structures. We discuss the common assumption that zirconium-organic materials are typically considered a close analog of thorium-based congeners in areas such as material design and preparation. Through consideration of fundamental chemistry principles, we shed light on the relationships between Zr-, Th-, and U-based materials and highlight how a critical analysis of their distinct properties can be used to target a desired material performance. As a result, we provide a detailed understanding of Th-based materials chemistry by anchoring their fundamental properties between two well-studied reference points, zirconium- and uranium-containing analogs.
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Affiliation(s)
- Kyoung Chul Park
- Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, United States
| | - Jaewoong Lim
- Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, United States
| | - Grace C Thaggard
- Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, United States
| | - Natalia B Shustova
- Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, United States
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3
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Sheng J, Perego J, Bracco S, Cieciórski P, Danowski W, Comotti A, Feringa BL. Orthogonal Photoswitching in a Porous Organic Framework. Angew Chem Int Ed Engl 2024; 63:e202404878. [PMID: 38530132 DOI: 10.1002/anie.202404878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 03/25/2024] [Accepted: 03/26/2024] [Indexed: 03/27/2024]
Abstract
The development of photoresponsive systems with non-invasive orthogonal control by distinct wavelengths of light is still in its infancy. In particular, the design of photochemically triggered-orthogonal systems integrated into solid materials that enable multiple dynamic control over their properties remains a longstanding challenge. Here, we report the orthogonal and reversible control of two types of photoswitches in an integrated solid porous framework, that is, visible-light responsive o-fluoroazobenzene and nitro-spiropyran motifs. The properties of the constructed material can be selectively controlled by different wavelengths of light thus generating four distinct states providing a basis for dynamic multifunctional materials. Solid-state NMR spectroscopy demonstrated the selective transformation of the azobenzene switch in the bulk, which in turn modulates N2 and CO2 adsorption.
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Affiliation(s)
- Jinyu Sheng
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, Netherlands
- Present address: Institute of Science and Technology Austria, Am Campus 1, 3400, Klosterneuburg, Austria
| | - Jacopo Perego
- Department of Materials Science, University of Milano Bicocca, Milan, Italy, Via R. Cozzi 55, Milan, 20125, Italy
| | - Silvia Bracco
- Department of Materials Science, University of Milano Bicocca, Milan, Italy, Via R. Cozzi 55, Milan, 20125, Italy
| | - Piotr Cieciórski
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093, Warsaw, Poland
| | - Wojciech Danowski
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, Netherlands
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093, Warsaw, Poland
- Université de Strasbourg, CNRS, ISIS, 8 allée Gaspard Monge, 67000, Strasbourg, France
| | - Angiolina Comotti
- Department of Materials Science, University of Milano Bicocca, Milan, Italy, Via R. Cozzi 55, Milan, 20125, Italy
| | - Ben L Feringa
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, Netherlands
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4
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Lim J, Park KC, Thaggard GC, Liu Y, Maldeni Kankanamalage BKP, Toler DJ, Ta AT, Kittikhunnatham P, Smith MD, Phillpot SR, Shustova NB. Friends or Foes: Fundamental Principles of Th-Organic Scaffold Chemistry Using Zr-Analogs as a Guide. J Am Chem Soc 2024; 146:12155-12166. [PMID: 38648612 DOI: 10.1021/jacs.4c02327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
The fundamental interest in actinide chemistry, particularly for the development of thorium-based materials, is experiencing a renaissance owing to the recent and rapidly growing attention to fuel cycle reactors, radiological daughters for nuclear medicine, and efficient nuclear stockpile development. Herein, we uncover fundamental principles of thorium chemistry on the example of Th-based extended structures such as metal-organic frameworks in comparison with the discrete systems and zirconium extended analogs, demonstrating remarkable over two-and-half-year chemical stability of Th-based frameworks as a function of metal node connectivity, amount of defects, and conformational linker rigidity through comprehensive spectroscopic and crystallographic analysis as well as theoretical modeling. Despite exceptional chemical stability, we report the first example of studies focusing on the reactivity of the most chemically stable Th-based frameworks in comparison with the discrete Th-based systems such as metal-organic complexes and a cage, contrasting multicycle recyclability and selectivity (>97%) of the extended structures in comparison with the molecular compounds. Overall, the presented work not only establishes the conceptual foundation for evaluating the capabilities of Th-based materials but also represents a milestone for their multifaceted future and foreshadows their potential to shape the next era of actinide chemistry.
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Affiliation(s)
- Jaewoong Lim
- Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, United States
| | - Kyoung Chul Park
- Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, United States
| | - Grace C Thaggard
- Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, United States
| | - Yuan Liu
- Department of Materials Science and Engineering, University of Florida, Gainesville, Florida 32611, United States
| | - Buddhima K P Maldeni Kankanamalage
- Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, United States
| | - Donald J Toler
- Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, United States
| | - An T Ta
- Department of Materials Science and Engineering, University of Florida, Gainesville, Florida 32611, United States
| | | | - Mark D Smith
- Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, United States
| | - Simon R Phillpot
- Department of Materials Science and Engineering, University of Florida, Gainesville, Florida 32611, United States
| | - Natalia B Shustova
- Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, United States
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5
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Sheng J, Perego J, Bracco S, Czepa W, Danowski W, Krause S, Sozzani P, Ciesielski A, Comotti A, Feringa BL. Construction of Multi-Stimuli Responsive Highly Porous Switchable Frameworks by In Situ Solid-State Generation of Spiropyran Switches. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2305783. [PMID: 37643306 DOI: 10.1002/adma.202305783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/11/2023] [Indexed: 08/31/2023]
Abstract
Stimuli-responsive molecular systems support within permanently porous materials offer the opportunity to host dynamic functions in multifunctional smart materials. However, the construction of highly porous frameworks featuring external-stimuli responsiveness, for example by light excitation, is still in its infancy. Here a general strategy is presented to construct spiropyran-functionalized highly porous switchable aromatic frameworks by modular and high-precision anchoring of molecular hooks and an innovative in situ solid-state grafting approach. Three spiropyran-grafted frameworks bearing distinct functional groups exhibiting various stimuli-responsiveness are generated by two-step post-solid-state synthesis of a parent indole-based material. The quantitative transformation and preservation of high porosity are demonstrated by spectroscopic and gas adsorption techniques. For the first time, a highly efficient strategy is provided to construct multi-stimuli-responsive, yet structurally robust, spiropyran materials with high pore capacity which is proved essential for the reversible and quantitative isomerization in the bulk as demonstrated by solid-state NMR spectroscopy. The overall strategy allows to construct dynamic materials that undergoes reversible transformation of spiropyran to zwitterionic merocyanine, by chemical and physical stimulation, showing potential for pH active control, responsive gas uptake and release, contaminant removal, and water harvesting.
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Affiliation(s)
- Jinyu Sheng
- Stratingh Institute for Chemistry, University of Groningen, Groningen, the Netherlands. Nijenborgh 4, Groningen, AG, 9747, The Netherlands
| | - Jacopo Perego
- Department of Materials Science, University of Milano Bicocca, Milan, Italy. Via R. Cozzi 55, Milan, 20125, Italy
| | - Silvia Bracco
- Department of Materials Science, University of Milano Bicocca, Milan, Italy. Via R. Cozzi 55, Milan, 20125, Italy
| | - Włodzimierz Czepa
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, Poznań, 61614, Poland
- Center for Advanced Technologies, Adam Mickiewicz University, Uniwersytetu Poznańskiego 10, Poznań, 61614, Poland
| | - Wojciech Danowski
- Stratingh Institute for Chemistry, University of Groningen, Groningen, the Netherlands. Nijenborgh 4, Groningen, AG, 9747, The Netherlands
- Université de Strasbourg, CNRS, ISIS, 8 allée Gaspard Monge, Strasbourg, 67000, France
| | - Simon Krause
- Stratingh Institute for Chemistry, University of Groningen, Groningen, the Netherlands. Nijenborgh 4, Groningen, AG, 9747, The Netherlands
- Nanochemistry Department, Max Planck Institute for Solid State Research, Heisenbergstr. 1, 70569, Stuttgart, Germany
| | - Piero Sozzani
- Department of Materials Science, University of Milano Bicocca, Milan, Italy. Via R. Cozzi 55, Milan, 20125, Italy
| | - Artur Ciesielski
- Center for Advanced Technologies, Adam Mickiewicz University, Uniwersytetu Poznańskiego 10, Poznań, 61614, Poland
- Université de Strasbourg, CNRS, ISIS, 8 allée Gaspard Monge, Strasbourg, 67000, France
| | - Angiolina Comotti
- Department of Materials Science, University of Milano Bicocca, Milan, Italy. Via R. Cozzi 55, Milan, 20125, Italy
| | - Ben L Feringa
- Stratingh Institute for Chemistry, University of Groningen, Groningen, the Netherlands. Nijenborgh 4, Groningen, AG, 9747, The Netherlands
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6
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Thaggard GC, Park KC, Lim J, Maldeni Kankanamalage BKP, Haimerl J, Wilson GR, McBride MK, Forrester KL, Adelson ER, Arnold VS, Wetthasinghe ST, Rassolov VA, Smith MD, Sosnin D, Aprahamian I, Karmakar M, Bag SK, Thakur A, Zhang M, Tang BZ, Castaño JA, Chaur MN, Lerch MM, Fischer RA, Aizenberg J, Herges R, Lehn JM, Shustova NB. Breaking the photoswitch speed limit. Nat Commun 2023; 14:7556. [PMID: 37985777 PMCID: PMC10660956 DOI: 10.1038/s41467-023-43405-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 11/07/2023] [Indexed: 11/22/2023] Open
Abstract
The forthcoming generation of materials, including artificial muscles, recyclable and healable systems, photochromic heterogeneous catalysts, or tailorable supercapacitors, relies on the fundamental concept of rapid switching between two or more discrete forms in the solid state. Herein, we report a breakthrough in the "speed limit" of photochromic molecules on the example of sterically-demanding spiropyran derivatives through their integration within solvent-free confined space, allowing for engineering of the photoresponsive moiety environment and tailoring their photoisomerization rates. The presented conceptual approach realized through construction of the spiropyran environment results in ~1000 times switching enhancement even in the solid state compared to its behavior in solution, setting a record in the field of photochromic compounds. Moreover, integration of two distinct photochromic moieties in the same framework provided access to a dynamic range of rates as well as complementary switching in the material's optical profile, uncovering a previously inaccessible pathway for interstate rapid photoisomerization.
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Affiliation(s)
- Grace C Thaggard
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Kyoung Chul Park
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Jaewoong Lim
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | | | - Johanna Haimerl
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
- Chair of Inorganic and Metal-Organic Chemistry, Department of Chemistry, Technical University of Munich, Lichtenbergstrasse 4, 85748, Garching, Germany
| | - Gina R Wilson
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Margaret K McBride
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Kelly L Forrester
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Esther R Adelson
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Virginia S Arnold
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Shehani T Wetthasinghe
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Vitaly A Rassolov
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Mark D Smith
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Daniil Sosnin
- Department of Chemistry, Dartmouth College, Hanover, NH, 03755, USA
| | - Ivan Aprahamian
- Department of Chemistry, Dartmouth College, Hanover, NH, 03755, USA
| | - Manisha Karmakar
- Department of Chemistry, Jadavpur University, 700032, Kolkata, India
| | - Sayan Kumar Bag
- Department of Chemistry, Jadavpur University, 700032, Kolkata, India
| | - Arunabha Thakur
- Department of Chemistry, Jadavpur University, 700032, Kolkata, India
| | - Minjie Zhang
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, and Guangdong-Hong Kong-Macau Joint Laboratory of Optoelectronic and Magnetic Functional Materials, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, 999077, China
| | - Ben Zhong Tang
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, and Guangdong-Hong Kong-Macau Joint Laboratory of Optoelectronic and Magnetic Functional Materials, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, 999077, China
- School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong Shenzhen, Guangdong, 518172, China
- Center for Aggregation-Induced Emission, South China University of Technology, Guangzhou, 510640, China
- AIE Institute, Guangzhou Development District, Huangpu, Guangzhou, 510530, China
| | - Jorge A Castaño
- Departamento de Química, Universidad del Valle, AA 25360, Cali, Colombia
| | - Manuel N Chaur
- Departamento de Química, Universidad del Valle, AA 25360, Cali, Colombia
- Centro de Excelencia en Neuvos Materiales (CENM), Universidad del Valle, AA 25360, Cali, Colombia
| | - Michael M Lerch
- Stratingh Institute for Chemistry, University of Groningen, 9747 AG, Groningen, The Netherlands
| | - Roland A Fischer
- Chair of Inorganic and Metal-Organic Chemistry, Department of Chemistry, Technical University of Munich, Lichtenbergstrasse 4, 85748, Garching, Germany
| | - Joanna Aizenberg
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, 02138, USA
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA
| | - Rainer Herges
- Otto Diels Institute of Organic Chemistry, University of Kiel, 24118, Kiel, Germany
| | - Jean-Marie Lehn
- Laboratoire de Chimie Supramoléculaire, Institut de Science et d'Ingénierie Supramoléculaires (ISIS), Université de Strasbourg, 67000, Strasbourg, France
| | - Natalia B Shustova
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA.
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7
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Imato K, Ishii A, Kaneda N, Hidaka T, Sasaki A, Imae I, Ooyama Y. Thermally Stable Photomechanical Molecular Hinge: Sterically Hindered Stiff-Stilbene Photoswitch Mechanically Isomerizes. JACS AU 2023; 3:2458-2466. [PMID: 37772185 PMCID: PMC10523368 DOI: 10.1021/jacsau.3c00213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 07/12/2023] [Accepted: 07/13/2023] [Indexed: 09/30/2023]
Abstract
Molecular photoswitches are extensively used as molecular machines because of the small structures, simple motions, and advantages of light including high spatiotemporal resolution. Applications of photoswitches depend on the mechanical responses, in other words, whether they can generate motions against mechanical forces as actuators or can be activated and controlled by mechanical forces as mechanophores. Sterically hindered stiff stilbene (HSS) is a promising photoswitch offering large hinge-like motions in the E/Z isomerization, high thermal stability of the Z isomer, which is relatively unstable compared to the E isomer, with a half-life of ca. 1000 years at room temperature, and near-quantitative two-way photoisomerization. However, its mechanical response is entirely unexplored. Here, we elucidate the mechanochemical reactivity of HSS by incorporating one Z or E isomer into the center of polymer chains, ultrasonicating the polymer solutions, and stretching the polymer films to apply elongational forces to the embedded HSS. The present study demonstrated that HSS mechanically isomerizes only in the Z to E direction and reversibly isomerizes in combination with UV light, i.e., works as a photomechanical hinge. The photomechanically inducible but thermally irreversible hinge-like motions render HSS unique and promise unconventional applications differently from existing photoswitches, mechanophores, and hinges.
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Affiliation(s)
- Keiichi Imato
- Applied Chemistry
Program,
Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima 739-8527, Japan
| | - Akira Ishii
- Applied Chemistry
Program,
Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima 739-8527, Japan
| | - Naoki Kaneda
- Applied Chemistry
Program,
Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima 739-8527, Japan
| | - Taichi Hidaka
- Applied Chemistry
Program,
Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima 739-8527, Japan
| | - Ayane Sasaki
- Applied Chemistry
Program,
Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima 739-8527, Japan
| | - Ichiro Imae
- Applied Chemistry
Program,
Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima 739-8527, Japan
| | - Yousuke Ooyama
- Applied Chemistry
Program,
Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima 739-8527, Japan
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8
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Wilson GR, Park KC, Thaggard GC, Martin CR, Hill AR, Haimerl J, Lim J, Maldeni Kankanamalage BKP, Yarbrough BJ, Forrester KL, Fischer RA, Pellechia PJ, Smith MD, Garashchuk S, Shustova NB. Cooperative and Orthogonal Switching in the Solid State Enabled by Metal-Organic Framework Confinement Leading to a Thermo-Photochromic Platform. Angew Chem Int Ed Engl 2023; 62:e202308715. [PMID: 37486788 DOI: 10.1002/anie.202308715] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/18/2023] [Accepted: 07/24/2023] [Indexed: 07/26/2023]
Abstract
Cooperative behavior and orthogonal responses of two classes of coordinatively integrated photochromic molecules towards distinct external stimuli were demonstrated on the first example of a photo-thermo-responsive hierarchical platform. Synergetic and orthogonal responses to temperature and excitation wavelength are achieved by confining the stimuli-responsive moieties within a metal-organic framework (MOF), leading to the preparation of a novel photo-thermo-responsive spiropyran-diarylethene based material. Synergistic behavior of two photoswitches enables the study of stimuli-responsive resonance energy transfer as well as control of the photoinduced charge transfer processes, milestones required to advance optoelectronics development. Spectroscopic studies in combination with theoretical modeling revealed a nonlinear effect on the material electronic structure arising from the coordinative integration of photoresponsive molecules with distinct photoisomerization mechanisms. Thus, the reported work covers multivariable facets of not only fundamental aspects of photoswitch cooperativity, but also provides a pathway to modulate photophysics and electronics of multidimensional functional materials exhibiting thermo-photochromism.
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Affiliation(s)
- Gina R Wilson
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Kyoung Chul Park
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Grace C Thaggard
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Corey R Martin
- Savannah River National Laboratory, Aiken, SC 29808, USA
| | - Austin R Hill
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Johanna Haimerl
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
- Chair of Inorganic and Metal-Organic Chemistry, Department of Chemistry, Technical University of Munich, Lichtenbergstrasse 4, 85748, Garching, Germany
| | - Jaewoong Lim
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | | | - Brandon J Yarbrough
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Kelly L Forrester
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Roland A Fischer
- Chair of Inorganic and Metal-Organic Chemistry, Department of Chemistry, Technical University of Munich, Lichtenbergstrasse 4, 85748, Garching, Germany
| | - Perry J Pellechia
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Mark D Smith
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Sophya Garashchuk
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Natalia B Shustova
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
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