1
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Verhage M, Bampoulis P, Preuss MD, Filot I, Joosten RRM, Friedrich H, Meijer EW, Flipse K. Chirality-Induced Magnetic Polarization by Charge Localization in a Chiral Supramolecular Crystal. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2403807. [PMID: 39139010 DOI: 10.1002/adma.202403807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 06/07/2024] [Indexed: 08/15/2024]
Abstract
The chirality-induced spin selectivity (CISS) effect is a fascinating phenomenon that correlates the molecular structure with electron spin-polarization (SP). Experimental procedures to quantify the spin-filtering magnitude have extensively used magnetic-field-dependent conductive AFM. In this work chiral crystals of imide-substituted coronene bisimide ((S)-CBI-GCH) are studied to explain the dynamics of the current-voltage I - V spectra and the origin of superimposed peaks are investigated. A dynamic voltage-sweep rate-dependent phenomenon can give rise to complex I - V curves. The redox group, capable of localization of charge, acts as a localized state that interferes with the continuum of the π - π stacking, giving rise to Fano resonances. A novel mechanism for dynamic transport is introduced, which provides insight into the origin of spin-polarized charge in crystallized CBI-GCH molecules after absorption on a metallic substrate, guided by transient charge polarization. Crucially, interference between charge localization and delocalization during transport may be important properties in understanding the magnetochiral phenomena observed by electrostatic force microscopy. Finally, it is observed that charge trapping sensitively modifies the injection barrier from direct tunneling to Fowler-Nordheim tunneling transport supporting nonlinearity in CISS for this class of molecules.
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Affiliation(s)
- Michael Verhage
- Molecular Materials and Nanosystems - Department of Applied Physics, Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
| | - Pantelis Bampoulis
- MESA+ Institute, Physics of Interfaces and Nanomaterials, University of Twente, Drienerlolaan 5, Enschede, 7522 NB, The Netherlands
| | - Marco D Preuss
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, PO Box 513, Eindhoven, 5600 MB, The Netherlands
- Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
| | - Ivo Filot
- Inorganic Materials & Catalysis - Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
| | - Rick R M Joosten
- Laboratory of Physical Chemistry and Center for Multiscale Electron Microscopy, Department of Chemical Engineering, Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
| | - Heiner Friedrich
- Laboratory of Physical Chemistry and Center for Multiscale Electron Microscopy, Department of Chemical Engineering, Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
| | - E W Meijer
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, PO Box 513, Eindhoven, 5600 MB, The Netherlands
- Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
| | - Kees Flipse
- Molecular Materials and Nanosystems - Department of Applied Physics, Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
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2
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Veedu RM, Fernández Z, Bäumer N, Albers A, Fernández G. Pathway-dependent supramolecular polymerization by planarity breaking. Chem Sci 2024; 15:10745-10752. [PMID: 39027305 PMCID: PMC11253169 DOI: 10.1039/d4sc02499k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Accepted: 06/04/2024] [Indexed: 07/20/2024] Open
Abstract
In controlled supramolecular polymerization, planar π-conjugated scaffolds are commonly used to predictably regulate stacking interactions, with various assembly pathways arising from competing interactions involving side groups. However, the extent to which the nature of the chromophore itself (planar vs. non-planar) affects pathway complexity requires clarification. To address this question, we herein designed a new BOPHY dye 2, where two oppositely oriented BF2 groups induce a disruption of planarity, and compared its supramolecular polymerization in non-polar media with that of a previously reported planar BODIPY 1 bearing identical substituents. The slightly non-planar structure of the BOPHY dye 2, as evident in previously reported X-ray structures, together with the additional out-of-plane BF2 group, allow for more diverse stacking possibilities leading to two fiber-like assemblies (kinetic 2A and thermodynamic 2B), in contrast to the single assembly previously observed for BODIPY 1. The impact of the less rigid, preorganized BOPHY core compared to the planar BODIPY counterpart is also reflected in the stronger tendency of the former to form anisotropic assemblies as a result of more favorable hydrogen bonding arrays. The structural versatility of the BOPHY core ultimately enables two stable packing arrangements: a kinetically controlled antiparallel face-to-face stacking (2A), and a thermodynamically controlled parallel slipped packing (2B) stabilized by (BF2) F⋯H (meso) interactions. Our findings underscore the significance of planarity breaking and out-of-plane substituents on chromophores as design elements in controlled supramolecular polymerization.
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Affiliation(s)
- Rasitha Manha Veedu
- Universität Münster, Organisch-Chemisches Institut Corrensstraße 36 Münster 48149 Germany
| | - Zulema Fernández
- Universität Münster, Organisch-Chemisches Institut Corrensstraße 36 Münster 48149 Germany
| | - Nils Bäumer
- Universität Münster, Organisch-Chemisches Institut Corrensstraße 36 Münster 48149 Germany
| | - Antonia Albers
- Universität Münster, Organisch-Chemisches Institut Corrensstraße 36 Münster 48149 Germany
| | - Gustavo Fernández
- Universität Münster, Organisch-Chemisches Institut Corrensstraße 36 Münster 48149 Germany
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3
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Kotha S, Sahu R, Chandrakant Yadav A, Bejagam KK, Reddy SK, Venkata Rao K. Pathway Selection in Temporal Evolution of Supramolecular Polymers of Ionic π-Systems: Amphiphilic Organic Solvent Dictates the Fate of Water. Chemistry 2024; 30:e202303813. [PMID: 38648278 DOI: 10.1002/chem.202303813] [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: 03/29/2024] [Revised: 04/18/2024] [Accepted: 04/22/2024] [Indexed: 04/25/2024]
Abstract
Understanding solvent-solute interactions is essential to designing and synthesising soft materials with tailor-made functions. Although the interaction of the solute with the solvent mixture is more complex than the single solvent medium, solvent mixtures are exciting to unfold several unforeseen phenomena in supramolecular chemistry. Here, we report two unforeseen pathways observed during the hierarchical assembly of cationic perylene diimides (cPDIs) in water and amphiphilic organic solvent (AOS) mixtures. When the aqueous supramolecular polymers (SPs) of cPDIs are injected into AOS, initially kinetically trapped short SPs are formed, which gradually transform into thermodynamically stable high aspect ratio SP networks. Using various experimental and theoretical investigations, we found that this temporal evolution follows two distinct pathways depending on the nature of the water-AOS interactions. If the AOS is isopropanol (IPA), water is released from cPDIs into bulk IPA due to strong hydrogen bonding interactions, which further decreases the monomer concentration of cPDIs (Pathway-1). In the case of dioxane AOS, cPDI monomer concentration further increases as water is retained among cPDIs (Pathway-2) due to relatively weak interactions between dioxane and water. Interestingly, these two pathways are accelerated by external stimuli such as heat and mechanical agitation.
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Affiliation(s)
- Srinu Kotha
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Telangana, 502284, India
| | - Rahul Sahu
- Centre for Computational and Data Science, Indian Institute of Technology Kharagpur, West Bengal, 721302, India
| | - Aditya Chandrakant Yadav
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Telangana, 502284, India
| | - Karteek K Bejagam
- Toyota Research Institute of North America, Ann Arbor, Michigan, 48105, USA
| | - Sandeep K Reddy
- Centre for Computational and Data Science, Indian Institute of Technology Kharagpur, West Bengal, 721302, India
| | - Kotagiri Venkata Rao
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Telangana, 502284, India
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4
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Pan H, Hou B, Jiang Y, Liu M, Ren XK, Chen Z. Control of Kinetic Pathways toward Supramolecular Chiral Polymorphs for Tunable Circularly Polarized Luminescence. Chemistry 2024:e202400899. [PMID: 38576216 DOI: 10.1002/chem.202400899] [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: 03/04/2024] [Revised: 04/01/2024] [Accepted: 04/03/2024] [Indexed: 04/06/2024]
Abstract
An amphiphilic aza-BODIPY dye (S)-1 bearing two chiral hydrophilic side chains with S-stereogenic centers was synthesized. This dye exhibited kinetic-controlled self-assembly pathways and supramolecular chiral polymorphism properties in MeOH/H2O (9/1, v/v) mixed solvent. The (S)-1 monomers first aggregated into a kinetic controlled, off-pathway species Agg. A, which was spontaneously transformed into an on-pathway metastable aggregate (Agg. B) and subsequently into the thermodynamic Agg. C. The three aggregate polymorphs of dye (S)-1 displayed distinct optical properties and nanomorphologies. In particular, chiral J-aggregation characteristics were observed for both Agg. B and Agg. C, such as Davydov-split absorption bands (Agg. B), extremely sharp and intense J-band with large bathochromic shift (Agg. C), non-diminished fluorescence upon aggregation, as well as strong bisignated Cotton effects. Moreover, the AFM and TEM studies revealed that Agg. A had the morphology of nanoparticle while fibril or rod-like helical nanostructures with left-handedness were observed respectively for Agg. B and Agg. C. By controlling the kinetic transformation process from Agg. B to Agg. C, thin films consisting of Agg. B and Agg. C with different ratios were prepared, which displayed tunable CPL with emission maxima at 788-805 nm and g-factors between -4.2×10-2 and -5.1×10-2.
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Affiliation(s)
- Hongfei Pan
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Baokai Hou
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Yuanyuan Jiang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Mengqi Liu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Xiang-Kui Ren
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Zhijian Chen
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
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5
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Guang L, Lu Y, Zhang Y, Liao R, Wang F. Circularly Polarized Phosphorescence of Benzils Achieved by Chiral Supramolecular Polymerization. Angew Chem Int Ed Engl 2024; 63:e202315362. [PMID: 38117012 DOI: 10.1002/anie.202315362] [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: 10/11/2023] [Revised: 11/22/2023] [Accepted: 12/12/2023] [Indexed: 12/21/2023]
Abstract
In current approaches for circularly polarized phosphorescent materials, the crystallization of chiral phosphors suffers from poor processability, while integrating them into an amorphous polymer matrix results in unsatisfactory chiroptical signals due to the absence of chirality communication. Here, we have developed an innovative strategy through chiral supramolecular polymerization of benzil phosphors facilitated by intermolecular hydrogen bonds. The inherent film-forming capabilities of non-covalent supramolecular polymers obviate the need for an external polymer matrix. The pronounced helical asymmetry of benzil phosphors resulting from chiral supramolecular polymerization leads to enhanced circularly polarized phosphorescence compared to their non-hydrogen-bonded counterparts. The circularly polarized phosphorescent signals can be further modulated by varying the location of stereogenic centers or introducing halogen bonding to benzils. Incorporation of platinum(II) phosphor into the benzil supramolecular polymers induces both chirality and triplet-to-triplet energy transfer, leading to a change in circularly polarized phosphorescent color from yellow to red. In summary, chiral supramolecular polymerization of phosphors represents a novel and effective approach to circularly polarized phosphorescent materials.
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Affiliation(s)
- Longyu Guang
- Key Laboratory of Precision and Intelligent Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Yi Lu
- Key Laboratory of Precision and Intelligent Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Yifei Zhang
- Key Laboratory of Precision and Intelligent Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Rui Liao
- Key Laboratory of Precision and Intelligent Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Feng Wang
- Key Laboratory of Precision and Intelligent Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
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6
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Lago-Silva M, Fernández-Míguez M, Rodríguez R, Quiñoá E, Freire F. Stimuli-responsive synthetic helical polymers. Chem Soc Rev 2024; 53:793-852. [PMID: 38105704 DOI: 10.1039/d3cs00952a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Synthetic dynamic helical polymers (supramolecular and covalent) and foldamers share the helix as a structural motif. Although the materials are different, these systems also share many structural properties, such as helix induction or conformational communication mechanisms. The introduction of stimuli responsive building blocks or monomer repeating units in these materials triggers conformational or structural changes, due to the presence/absence of the external stimulus, which are transmitted to the helix resulting in different effects, such as assymetry amplification, helix inversion or even changes in the helical scaffold (elongation, J/H helical aggregates). In this review, we show through selected examples how different stimuli (e.g., temperature, solvents, cations, anions, redox, chiral additives, pH or light) can alter the helical structures of dynamic helical polymers (covalent and supramolecular) and foldamers acting on the conformational composition or molecular structure of their components, which is also transmitted to the macromolecular helical structure.
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Affiliation(s)
- María Lago-Silva
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela, E-15782 Santiago de Compostela, Spain.
| | - Manuel Fernández-Míguez
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela, E-15782 Santiago de Compostela, Spain.
| | - Rafael Rodríguez
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela, E-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, E-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, E-15782 Santiago de Compostela, Spain.
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7
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Wang L, Cheng Q, Hao A, Xing P. Biogenetic Chiral Deep Eutectic Solvents that Produce Self-Assembled Chiroptical Materials. Angew Chem Int Ed Engl 2023; 62:e202313536. [PMID: 37750571 DOI: 10.1002/anie.202313536] [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: 09/12/2023] [Revised: 09/22/2023] [Accepted: 09/26/2023] [Indexed: 09/27/2023]
Abstract
Deep eutectic solvents (DESs) show particular properties compared to ionic liquids and other traditional organic solvents. Controlled synthesis of chiral materials in DESs is unprecedented due to the complex interplays between DESs and solutes. In this work, all bio-derived chiral DESs were prepared using choline chloride or cyclodextrin as hydrogen bonding acceptors and natural chiral acids as donors, which performed as chiral matrices for the rational synthesis of chiroptical materials by taking advantage of the efficient chirality transfer between the DESs and solutes. In a very selective manner, building units with molecular pockets could facilitate strong binding affinity towards chiral acid components of DESs disregarding the presence of competitive hydrogen bonding acceptors. Chirality transfer from DESs to nanoassemblies leads to chirality amplification in the presence of minimal amounts of entrapped chiral acids, thanks to the spontaneous symmetry breaking of solutes during aggregation. This work utilizes chiral DESs to control supramolecular chirality, and illustrates the structural basis for the fabrication of DES-based chiral materials.
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Affiliation(s)
- Lin Wang
- Key Laboratory of Colloid and Interface Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
| | - Qiuhong Cheng
- Key Laboratory of Colloid and Interface Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
| | - Aiyou Hao
- Key Laboratory of Colloid and Interface Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
| | - Pengyao Xing
- Key Laboratory of Colloid and Interface Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
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8
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Naranjo C, Doncel-Giménez A, Gómez R, Aragó J, Ortí E, Sánchez L. Solvent-dependent self-assembly of N-annulated perylene diimides. From dimers to supramolecular polymers. Chem Sci 2023; 14:9900-9909. [PMID: 37736635 PMCID: PMC10510848 DOI: 10.1039/d3sc03372d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 08/28/2023] [Indexed: 09/23/2023] Open
Abstract
The synthesis and self-assembling features of the N-annulated perylene diimide (NPBI) 1 in different solvents are reported. Compound 1 possesses two chiral linkers, derived from (S)-(+)-alaninol, that connect the central aromatic NPBI segment and the peripheral trialkoxybenzamide units. The Ala-based linker has been demonstrated to strongly favor the formation of intramolecularly H-bonded seven-membered pseudocycles. NPBI 1 shows a strong tendency to self-assemble even in a good solvent like CHCl3 and the formation of chiral dimers is detected in this good solvent. Both experimental techniques and theoretical calculations reveal that the intramolecular H-bonded pseudocycles are very robust and the formation of chiral dimers is driven by the π-stacking of two units of the NPBI core. Unexpectedly, an efficient transfer of the asymmetry of the point chirality at the linker to the aromatic moiety is observed in the molecularly dissolved state. Changing the solvent to more apolar methylcyclohexane modifies the self-assembly process and the formation of chiral supramolecular polymers is detected. The supramolecular polymerization of 1 is demonstrated to follow an isodesmic mechanism unlike previous referable systems. In the formation of the supramolecular polymers of 1, the combination of experimental and computational data indicates that the H-bonded pseudocycles are also present in the aggregated state and the rope-like, columnar aggregates formed by the self-assembly of 1 rely on the π-stacking of the NPBI backbones.
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Affiliation(s)
- Cristina Naranjo
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid 28040 Madrid Spain
| | - Azahara Doncel-Giménez
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia C/Catedrático José Beltrán, 2 46980 Paterna Spain
| | - Rafael Gómez
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid 28040 Madrid Spain
| | - Juan Aragó
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia C/Catedrático José Beltrán, 2 46980 Paterna Spain
| | - Enrique Ortí
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia C/Catedrático José Beltrán, 2 46980 Paterna Spain
| | - Luis Sánchez
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid 28040 Madrid Spain
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9
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Zhang Q, Song K, Hao A, Xing P. Chiral Superlattices Self-Assembled from Post-Modified Metal-Organic Polyhedra. NANO LETTERS 2023; 23:7691-7698. [PMID: 37540042 DOI: 10.1021/acs.nanolett.3c02413] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/05/2023]
Abstract
Metal-organic polyhedra (MOPs) are inherently porous, discrete, and solvent-dispersive, and directing them into chiral superlattices through direct self-assembly remains a considerable challenge due to their nanoscale size and structural complexity. In this work, we illustrate a postmodification protocol to covalently conjugate a chiral cholesteryl pendant to MOPs. Postmodification retained the coordination cores and allowed for reaction-induced self-assembly in loosely packed nanosized columns without supramolecular chirality. Solvent-processed bottom-up self-assembly in aqueous media facilitated the well-defined packing into twisted superlattices with a 5 nm lattice parameter. Experimental and computational results validated the role of intercholesteryl forces in spinning the nanosized MOPs, which achieved the chirality transfer to supramolecular scale with chiral optics. This work establishes a novel protocol in rational design of MOP-based chiroptical materials for potential applications of enantioselective adsorption, catalysis, and separation.
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Affiliation(s)
- Qi Zhang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
| | - Kepeng Song
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
| | - Aiyou Hao
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
| | - Pengyao Xing
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
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10
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He S, Jiang Z, Dou X, Gao L, Feng C. Chiral Supramolecular Assemblies: Controllable Construction and Biological Activity. Chempluschem 2023; 88:e202300226. [PMID: 37438864 DOI: 10.1002/cplu.202300226] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/28/2023] [Accepted: 07/10/2023] [Indexed: 07/14/2023]
Abstract
Chiral supramolecular assemblies with helical structures (e. g., proteins with α-helix, DNA with double helix, collagen with triple-helix) as the central structure motifs in biological systems play a crucial role in various physiological activities of living organisms. Variations in chiral structure can cause many abnormal physiological activities. To gain insight into the construction, structural transition, and related physiological functions of these complex helix in natural systems, it is necessary to fabricate artificial supramolecular assemblies with controllable helix orientation as research platform. This review discusses recent advances in chiral supramolecular assembly, including the precise construction and regulation of assembled chiral nanostructures with tunable chirality. Chiral structure-dependent biological activities, including cell proliferation, cell differentiation, antibacterial activity and tissue regeneration, are also discussed. This review not only contributes to further understanding of the importance of chirality in the physiological environment, but also plays an important role in the development of chiral biomedical materials for the treatment of diseases (e. g., tissue engineering regeneration, stem cell transplantation therapy).
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Affiliation(s)
- Sijia He
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, P. R. China
| | - Zichao Jiang
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, P. R. China
| | - Xiaoqiu Dou
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, P. R. China
| | - Laiben Gao
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, P. R. China
| | - Chuanliang Feng
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, P. R. China
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11
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Matarranz B, Díaz‐Cabrera S, Ghosh G, Carreira‐Barral I, Soberats B, García‐Valverde M, Quesada R, Fernández G. Anticooperative Supramolecular Oligomerization Mediated by V‐Shaped Monomer Design and Unconventional Hydrogen Bonds. Angew Chem Int Ed Engl 2023. [DOI: 10.1002/ange.202218555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Affiliation(s)
- Beatriz Matarranz
- Westfälische Wilhelms-Universität Münster Organisch-Chemisches Institut Corrensstraße 36 48149 Münster Germany
| | - Sandra Díaz‐Cabrera
- Departamento de Química Facultad de Ciencias Universidad de Burgos 09001 Burgos Spain
| | - Goutam Ghosh
- Westfälische Wilhelms-Universität Münster Organisch-Chemisches Institut Corrensstraße 36 48149 Münster Germany
| | | | - Bartolome Soberats
- Department of Chemistry, Universitat de les Illes Balears Cra. Valldemossa, Km. 7.5 07122 Palma de Mallorca Spain
| | - María García‐Valverde
- Departamento de Química Facultad de Ciencias Universidad de Burgos 09001 Burgos Spain
| | - Roberto Quesada
- Departamento de Química Facultad de Ciencias Universidad de Burgos 09001 Burgos Spain
| | - Gustavo Fernández
- Westfälische Wilhelms-Universität Münster Organisch-Chemisches Institut Corrensstraße 36 48149 Münster Germany
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12
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Matarranz B, Díaz-Cabrera S, Ghosh G, Carreira-Barral I, Soberats B, García-Valverde M, Quesada R, Fernández G. Anticooperative Supramolecular Oligomerization Mediated by V-Shaped Monomer Design and Unconventional Hydrogen Bonds. Angew Chem Int Ed Engl 2023; 62:e202218555. [PMID: 36828774 DOI: 10.1002/anie.202218555] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 02/24/2023] [Accepted: 02/24/2023] [Indexed: 02/26/2023]
Abstract
After more than three decades of extensive investigations on supramolecular polymers, strategies for self-limiting growth still remain challenging. Herein, we exploit a new V-shaped monomer design to achieve anticooperatively formed oligomers with superior robustness and high luminescence. In toluene, the monomer-oligomer equilibrium is shifted to the monomer side, enabling the elucidation of the molecular packing modes and the resulting (weak) anticooperativity. Steric effects associated with an antiparallel staircase organization of the dyes are proposed to outcompete aromatic and unconventional B-F⋅⋅⋅H-N/C interactions, restricting the growth at the stage of oligomers. In methylcyclohexane (MCH), the packing modes and the anticooperativity are preserved; however, pronounced solvophobic and chain-enwrapping effects lead to thermally ultrastable oligomers. Our results shed light on understanding anticooperative effects and restricted growth in self-assembly.
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Affiliation(s)
- Beatriz Matarranz
- Westfälische Wilhelms-Universität Münster, Organisch-Chemisches Institut, Corrensstraße 36, 48149, Münster, Germany
| | - Sandra Díaz-Cabrera
- Departamento de Química, Facultad de Ciencias, Universidad de Burgos, 09001, Burgos, Spain
| | - Goutam Ghosh
- Westfälische Wilhelms-Universität Münster, Organisch-Chemisches Institut, Corrensstraße 36, 48149, Münster, Germany
| | - Israel Carreira-Barral
- Departamento de Química, Facultad de Ciencias, Universidad de Burgos, 09001, Burgos, Spain
| | - Bartolome Soberats
- Department of Chemistry, Universitat de les Illes Balears Cra., Valldemossa, Km. 7.5, 07122, Palma de Mallorca, Spain
| | - María García-Valverde
- Departamento de Química, Facultad de Ciencias, Universidad de Burgos, 09001, Burgos, Spain
| | - Roberto Quesada
- Departamento de Química, Facultad de Ciencias, Universidad de Burgos, 09001, Burgos, Spain
| | - Gustavo Fernández
- Westfälische Wilhelms-Universität Münster, Organisch-Chemisches Institut, Corrensstraße 36, 48149, Münster, Germany
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13
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Yao L, Fu K, Wang X, He M, Zhang W, Liu PY, He YP, Liu G. Metallophilic Interaction-Mediated Hierarchical Assembly and Temporal-Controlled Dynamic Chirality Inversion of Metal-Organic Supramolecular Polymers. ACS NANO 2023; 17:2159-2169. [PMID: 36648130 DOI: 10.1021/acsnano.2c08315] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The study of dynamic supramolecular chirality inversion (SMCI) not only helps to deepen the understanding of chiral transfer and amplification in both living organizations and artificially chemical self-assembly systems but also is useful for the development of smart chiral nanomaterials. However, it is still challenging to achieve the dynamic SMCI of the self-aggregation of metal-organic supramolecular polymers with great potential in asymmetric synthesis, chiroptical switches, and circular polarized luminescence. Here, we successfully developed a hierarchical coassembly system based on the mPAzPCC and various metal ions with effective chirality transfer and temporal-controlled SMCI. Due to the dynamic self-assembly and hierarchical chirality transfer of the Ag+/mPAzPCC complex driven by metallophilic interaction and coordination, morphological transition with nanoribbons, helical nanoribbons, and chiral nanotubules was successively obtained. Interestingly, the SMCI of chiral nanoaggregates was precisely regulated by solvents and metal ions in the Cu2+/mPAzPCC and Mn2+/mPAzPCC system. Besides, temporal-controlled dynamic SMCI switching from helix to bundled helix was clearly revealed in the aggregation of Cu2+/mPAzPCC, Mn2+/mPAzPCC, and Bi3+/mPAzPCC systems. This work provides a metallophilic interaction-mediated helical assembly pathway to dynamically modulate the chirality of metal-organic complex-based assemblies and deepen the understanding of the hierarchically dynamic self-assembly process, which would be of great potential in metal ion-mediated supramolecular asymmetric catalysis and bioinspired chiral sensing.
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Affiliation(s)
- Longfei Yao
- School of Chemical Science and Engineering, Advanced Research Institute, Tongji University, Shanghai 200092, People's Republic of China
| | - Kuo Fu
- School of Chemical Science and Engineering, Advanced Research Institute, Tongji University, Shanghai 200092, People's Republic of China
| | - Xuejuan Wang
- School of Chemical Science and Engineering, Advanced Research Institute, Tongji University, Shanghai 200092, People's Republic of China
| | - Menglu He
- School of Chemical Science and Engineering, Advanced Research Institute, Tongji University, Shanghai 200092, People's Republic of China
| | - Wannian Zhang
- State Key Laboratory of Fine Chemicals, Ningbo Institute of Dalian University of Technology, No. 26 Yucai Road, Ningbo 315016, People's Republic of China
| | - Peng-Yu Liu
- State Key Laboratory of Fine Chemicals, Ningbo Institute of Dalian University of Technology, No. 26 Yucai Road, Ningbo 315016, People's Republic of China
| | - Yu-Peng He
- State Key Laboratory of Fine Chemicals, Ningbo Institute of Dalian University of Technology, No. 26 Yucai Road, Ningbo 315016, People's Republic of China
| | - Guofeng Liu
- School of Chemical Science and Engineering, Advanced Research Institute, Tongji University, Shanghai 200092, People's Republic of China
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14
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Pal T, Chaudhuri D. Chiral and Morphological Anisotropy of Supramolecular Polymers Shaped by a Singularity in Solvent Composition. J Am Chem Soc 2023; 145:2532-2543. [PMID: 36669197 DOI: 10.1021/jacs.2c12253] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Understanding the role of solvent in translating molecular anisotropy to supramolecular polymers is in the early stages. A solvent's influence on the strength of different noncovalent interactions can explain anisotropic growth in some cases, but its effect on cooperative processes, particularly in mixed solvents, remains obscure. We report the self-assembly of a series of chiral perylene bisimides in water-cosolvent mixtures, and the results highlight the fascinating influence of solvent-solute interactions on supramolecular anisotropy, both chiral and morphological. The initial assembly is agnostic to solvent composition, resulting in weakly chiral, spherical nanostructures. In an extremely narrow solvent composition range, the nanospheres transform into long, prominently chiral supramolecular polymers. Further, chirality can be fully reversed by changing the good (achiral) cosolvent. We elucidate how solvent modulates specific noncovalent interactions and governs the kinetics and thermodynamics of key processes, such as spontaneous phase segregation, secondary nucleation, and cooperative growth. In the context of supramolecular polymerization, our results encourage one to steer the focus away from the physical attributes of a solvent (polarity, phase diagram, etc.) and toward the complexities of solvent-solute interactions.
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Affiliation(s)
- Triza Pal
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741246, India
| | - Debangshu Chaudhuri
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741246, India
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15
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Supramolecular Polymers: Recent Advances Based on the Types of Underlying Interactions. Prog Polym Sci 2022. [DOI: 10.1016/j.progpolymsci.2022.101635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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16
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Zhang H, Hao C, Xu L, Xu C, Kuang H. Chiral-Solvent-Mediated Manganese-Based Hierarchical Supraparticles with Chiroptical Activity. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2202741. [PMID: 36108137 DOI: 10.1002/smll.202202741] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 08/08/2022] [Indexed: 06/15/2023]
Abstract
In this study, manganese-based multiply hierarchical chiral supraparticles (SPs), with an anisotropy factor (g-factor) of 0.102 and circular dichroism (CD) intensity of 260 mdeg at 530 nm, are successfully synthesized with polar-solvent-mediated strategies. Notably, the g-factor of the SPs is further enhanced to 0.121 by the addition of an external chiral solvent, generating a chiral biased environment, which increases their CD intensity to 320 mdeg at 500 nm. The mechanism underlying the different chirality is proposed to be a difference in the angle of tilt of ±33° between the two enantiomers of the chiral SPs, which involves a difference of ±7° between the orientation of individual nanoplatelets. Chiral solvents induce the angle between adjacent nanoplatelets to get smaller than the original structure that leads to their higher anisotropic value. These findings potentially provide a practical method for the construction of complex chiral superstructures and the regulation of chiroptical activity.
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Affiliation(s)
- Hongyu Zhang
- International Joint Research Laboratory for Biointerface and Biodetection, State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
| | - Changlong Hao
- International Joint Research Laboratory for Biointerface and Biodetection, State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
| | - Liguang Xu
- International Joint Research Laboratory for Biointerface and Biodetection, State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
| | - Chuanlai Xu
- International Joint Research Laboratory for Biointerface and Biodetection, State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
| | - Hua Kuang
- International Joint Research Laboratory for Biointerface and Biodetection, State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
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17
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Rakumitsu K, Fujii M, Kusumoto S, Kikkawa S, Azumaya I, Yokoyama A. Synthesis, crystal structure, and properties of methyl-substituted coronene amide analogue. RSC Adv 2022; 12:26411-26417. [PMID: 36275098 PMCID: PMC9479769 DOI: 10.1039/d2ra04035b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 09/08/2022] [Indexed: 11/21/2022] Open
Abstract
A coronene amide analogue was synthesized in six steps using an improved method at the final biarylation step. The key to the progress of palladium-mediated biarylation involved the introduction of three methyl groups to suppress the undesired reaction and the use of tri-tert-butylphosphine as the ligand for palladium. Single-crystal X-ray analysis revealed that the core unit of the coronene analogue has a non-planar structure.
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Affiliation(s)
- Kenta Rakumitsu
- Faculty of Science and Technology, Seikei University 3-3-1 Kichijoji-kitamachi, Musashino Tokyo 180-8633 Japan
| | - Miho Fujii
- Faculty of Science and Technology, Seikei University 3-3-1 Kichijoji-kitamachi, Musashino Tokyo 180-8633 Japan
| | - Sotaro Kusumoto
- Department of Material and Life Chemistry, Faculty of Engineering, Kanagawa University 3-27-1 Rokkakubashi, Kanagawa-ku Yokohama 221-8686 Japan
| | - Shoko Kikkawa
- Faculty of Pharmaceutical Sciences, Toho University 2-2-1 Miyama, Funabashi Chiba 274-8510 Japan
| | - Isao Azumaya
- Faculty of Pharmaceutical Sciences, Toho University 2-2-1 Miyama, Funabashi Chiba 274-8510 Japan
| | - Akihiro Yokoyama
- Faculty of Science and Technology, Seikei University 3-3-1 Kichijoji-kitamachi, Musashino Tokyo 180-8633 Japan
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18
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Hsu YF, Wu TW, Kang YH, Wu CY, Liu YH, Peng SM, Kong KV, Yang JS. Porous Supramolecular Assembly of Pentiptycene-Containing Gold(I) Complexes: Persistent Excited-State Aurophilicity and Inclusion-Induced Emission Enhancement. Inorg Chem 2022; 61:11981-11991. [PMID: 35838662 DOI: 10.1021/acs.inorgchem.2c01786] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We report herein a porous supramolecular framework formed by a linear mononuclear Au(I) complex (1) via the tongue-and-groove-like joinery between the pentiptycene U-cavities (grooves) and the rod-shaped π-conjugated backbone and alkyl chains (tongues) with the assistance of C-H···π and aurophilic interactions. The framework contains distorted tetrahedral Au4 units, which undergo stepwise and persistent photoinduced Au(I)-Au(I) bond shortening (excited-state aurophilicity), leading to multicolored luminescence photochromism. The one-dimensional pore channels could accommodate different solvates and guests, and the guest inclusion-induced luminescence enhancement (up to 300%) and/or vapochromism are characterized. A correlation between the aurophilic bonding and the luminescence activity is uncovered by TDDFT calculations. Isostructural derivatives 2 and 3 corroborate both the robustness of the porous supramolecular assembly and the mechanisms of the stimulation-induced luminescence properties of 1. This work demonstrates the cooperation of aurophilicity and structural porosity and adaptability in achieving novel supramolecular photochemical properties.
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Affiliation(s)
- Ying-Feng Hsu
- Department of Chemistry, National Taiwan University, Taipei 10617 Taiwan
| | - Ting-Wei Wu
- Department of Chemistry, National Taiwan University, Taipei 10617 Taiwan
| | - Yu-Hsuan Kang
- Department of Chemistry, National Taiwan University, Taipei 10617 Taiwan
| | - Cheng-Yun Wu
- Department of Chemistry, National Taiwan University, Taipei 10617 Taiwan
| | - Yi-Hung Liu
- Department of Chemistry, National Taiwan University, Taipei 10617 Taiwan
| | - Shie-Ming Peng
- Department of Chemistry, National Taiwan University, Taipei 10617 Taiwan
| | - Kien Voon Kong
- Department of Chemistry, National Taiwan University, Taipei 10617 Taiwan
| | - Jye-Shane Yang
- Department of Chemistry, National Taiwan University, Taipei 10617 Taiwan
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19
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Ghosh G, Chakraborty A, Pal P, Jana B, Ghosh S. Direct Participation of Solvent Molecules in the Formation of Supramolecular Polymers. Chemistry 2022; 28:e202201082. [PMID: 35475531 DOI: 10.1002/chem.202201082] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Indexed: 11/05/2022]
Abstract
This article reports supramolecular polymerization of two bis-amide functionalized naphthalene-diimide (NDI) building blocks (NDI-L and NDI-C) in two solvents, namely n-heptane (Hep) and methylcyclohexane (MCH). NDI-L and NDI-C differ only by the peripheral hydrocarbon wedges, consisting of linear C7 chains or cyclic methylcyclohexane rings, respectively. UV/Vis and FTIR spectroscopy studies reveal distinct internal order and H-bonding pattern for NDI-L and NDI-C aggregates irrespective of the solvent system, indicating the dominant role of the intrinsic packing parameters of the individual building block, possibly influenced by the peripheral steric crowding. However, NDI-L produces a significantly stronger gel in Hep compared to MCH as evident from the rheological and thermal properties. In contrast, NDI-C exhibits a clear preference for MCH, producing gel with moderate strength but in Hep it fails to produce 1D morphology or gelation. All-atom molecular dynamics (MD) simulation studies corroborate with the experimental observation and provide the rationale for the observed solvent-shape effect by revealing a quantitative estimate regarding the thermodynamics of self-assembly in these four combinations. Such clear-cut shape-matching effect (between the peripheral hydrocarbon wedge and the solvent system) unambiguously support a direct participation of the solvent molecules during supramolecular polymerization and presence of a closely-adhered solvent shell around the supramolecular polymers, similar to the first layer of water molecules around the protein surface. Solvent induced CD experiments support this hypothesis as induced CD band was observed only from a chiral co-solvent of matching shape. This is reconfirmed by the higher de-solvation temperature of the shape-matching NDI/solvent system combination compared to the shape mis-match combination in variable temperature UV/Vis experiments, revealing transformation to a different aggregate at higher temperatures rather than disassembly to the monomer for all four combinations.
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Affiliation(s)
- Goutam Ghosh
- School of Applied and Interdisciplinary Sciences Indian Association for the Cultivation of Science, 2 A and 2B Raja S. C. Mullick Road, Kolkata, 700032, India
| | - Anwesha Chakraborty
- School of Applied and Interdisciplinary Sciences Indian Association for the Cultivation of Science, 2 A and 2B Raja S. C. Mullick Road, Kolkata, 700032, India
| | - Prasun Pal
- School of Chemical Sciences Indian Association for the Cultivation of Science, 2 A and 2B Raja S. C. Mullick Road, Kolkata, 700032, India
| | - Biman Jana
- School of Chemical Sciences Indian Association for the Cultivation of Science, 2 A and 2B Raja S. C. Mullick Road, Kolkata, 700032, India
| | - Suhrit Ghosh
- School of Applied and Interdisciplinary Sciences Indian Association for the Cultivation of Science, 2 A and 2B Raja S. C. Mullick Road, Kolkata, 700032, India
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20
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Datta S, Chaudhuri D. Reversible Supramolecular Polymorphism in Solution and Solid Matrix by Manipulating Sidegroup Conformation. Angew Chem Int Ed Engl 2022; 61:e202201956. [PMID: 35180328 DOI: 10.1002/anie.202201956] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Indexed: 12/28/2022]
Abstract
Reversible switching between supramolecular polymorphs offers a great way to introduce stimuli-responsiveness. Supramolecular polymorphism is usually achieved through pathway complexity, or by exploiting solvent-solute interactions. But, steering a self-assembly along a specific pathway to form a kinetically-stable aggregate is not easy. Also, changing solvent to switch between polymorphs is impractical. We present a perylene bisimide molecule with a trans-azobenzene sidegroup that assembles into three supramolecular polymorphs with distinct colors, morphologies, packing and aggregation mechanism. Optical absorption and FTIR spectroscopy reveal the importance of hydrogen-bonding interaction between protic solvent and azo N that controls the planarity of the azobenzene group and influences molecular packing. This interaction can be further modulated using temperature, and solution pH to reversibly switch between the three polymorphs, in solution as well as in solid silica-gel matrix.
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Affiliation(s)
- Saptarshi Datta
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur, 741246, India
| | - Debangshu Chaudhuri
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur, 741246, India
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21
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Gong Y, Cao Z, Zhang Z, Liu R, Zhang F, Wei J, Yang Z. Chirality Inversion in Self-Assembled Nanocomposites Directed by Curvature-Mediated Interactions. Angew Chem Int Ed Engl 2022; 61:e202117406. [PMID: 34981650 DOI: 10.1002/anie.202117406] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Indexed: 11/05/2022]
Abstract
Nanoscale curvature-dependent interactions are of paramount importance in biological systems. Here, we report that nanoscale curvature plays an important role in regulating the chirality of self-assembled nanocomposites from chiral organic molecules and achiral nanoparticles. Specifically, we show that the supramolecular chirality of the nanocomposites markedly depends on the nanoparticle curvature, where small-sized nanoparticles of high curvature and large-sized nanoparticles of low curvature lead to nanocomposites with opposite chirality. Quantitative kinetic experiments and molecular dynamics simulations reveal that nanoparticle curvature plays a key role in promoting the pre-nucleation oligomerization of chiral molecules, which consequently regulates the supramolecular chirality of the nanocomposites. We anticipate that this study will aid in rational design of an artificial cooperative system giving rise to emergent assembling phenomena that can be surprisingly rich and often cannot be understood by studying the conventional noncooperative systems.
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Affiliation(s)
- Yanjun Gong
- School of Chemistry and Chemical Engineering, Key Laboratory of Colloid and Interface Chemistry of MOE, Shandong University, Jinan, 250100, P. R. China
| | - Zhaozhen Cao
- School of Chemistry and Chemical Engineering, Key Laboratory of Colloid and Interface Chemistry of MOE, Shandong University, Jinan, 250100, P. R. China
| | - Zongze Zhang
- School of Chemistry and Chemical Engineering, Key Laboratory of Colloid and Interface Chemistry of MOE, Shandong University, Jinan, 250100, P. R. China
| | - Rongjuan Liu
- School of Chemistry and Chemical Engineering, Key Laboratory of Colloid and Interface Chemistry of MOE, Shandong University, Jinan, 250100, P. R. China
| | - Fenghua Zhang
- School of Chemistry and Chemical Engineering, Key Laboratory of Colloid and Interface Chemistry of MOE, Shandong University, Jinan, 250100, P. R. China
| | - Jingjing Wei
- School of Chemistry and Chemical Engineering, Key Laboratory of Colloid and Interface Chemistry of MOE, Shandong University, Jinan, 250100, P. R. China
| | - Zhijie Yang
- School of Chemistry and Chemical Engineering, Key Laboratory of Colloid and Interface Chemistry of MOE, Shandong University, Jinan, 250100, P. R. China
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22
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Datta S, Chaudhuri D. Reversible Supramolecular Polymorphism in Solution and Solid Matrix by Manipulating Sidegroup Conformation. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Saptarshi Datta
- Department of Chemical Sciences Indian Institute of Science Education and Research (IISER) Kolkata Mohanpur 741246 India
| | - Debangshu Chaudhuri
- Department of Chemical Sciences Indian Institute of Science Education and Research (IISER) Kolkata Mohanpur 741246 India
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23
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Gong Y, Cao Z, Zhang Z, Liu R, Zhang F, Wei J, Yang Z. Chirality Inversion in Self‐Assembled Nanocomposites Directed by Curvature‐Mediated Interactions. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202117406] [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)
- Yanjun Gong
- School of Chemistry and Chemical Engineering Key Laboratory of Colloid and Interface Chemistry of MOE Shandong University Jinan 250100 P. R. China
| | - Zhaozhen Cao
- School of Chemistry and Chemical Engineering Key Laboratory of Colloid and Interface Chemistry of MOE Shandong University Jinan 250100 P. R. China
| | - Zongze Zhang
- School of Chemistry and Chemical Engineering Key Laboratory of Colloid and Interface Chemistry of MOE Shandong University Jinan 250100 P. R. China
| | - Rongjuan Liu
- School of Chemistry and Chemical Engineering Key Laboratory of Colloid and Interface Chemistry of MOE Shandong University Jinan 250100 P. R. China
| | - Fenghua Zhang
- School of Chemistry and Chemical Engineering Key Laboratory of Colloid and Interface Chemistry of MOE Shandong University Jinan 250100 P. R. China
| | - Jingjing Wei
- School of Chemistry and Chemical Engineering Key Laboratory of Colloid and Interface Chemistry of MOE Shandong University Jinan 250100 P. R. China
| | - Zhijie Yang
- School of Chemistry and Chemical Engineering Key Laboratory of Colloid and Interface Chemistry of MOE Shandong University Jinan 250100 P. R. China
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24
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Selby J, Holzapfel M, Radacki K, Swain AK, Braunschweig H, Lambert C. Polymeric Indolenine–Squaraine Foldamers with a Preferred Helix Twist Sense and Their Chiroptical Absorption and Emission Properties. Macromolecules 2022. [DOI: 10.1021/acs.macromol.1c02155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Joshua Selby
- Institut für Organische Chemie, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Marco Holzapfel
- Institut für Organische Chemie, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Krzysztof Radacki
- Institut für Anorganische Chemie, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
- Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Asim Kumar Swain
- Institut für Organische Chemie, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Holger Braunschweig
- Institut für Anorganische Chemie, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
- Center for Nanosystems Chemistry, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
- Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Christoph Lambert
- Institut für Organische Chemie, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
- Center for Nanosystems Chemistry, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
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25
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Martínez M, Doncel-Giménez A, Cerdá J, Calbo J, Rodríguez R, Aragó J, Crassous J, Ortí E, Sánchez L. Distance Matters: Biasing Mechanism, Transfer of Asymmetry, and Stereomutation in N-Annulated Perylene Bisimide Supramolecular Polymers. J Am Chem Soc 2021; 143:13281-13291. [PMID: 34378925 PMCID: PMC8478275 DOI: 10.1021/jacs.1c06125] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Indexed: 12/23/2022]
Abstract
The synthesis of two series of N-annulated perylene bisimides (PBIs), compounds 1 and 2, is reported, and their self-assembling features are thoroughly investigated by a complete set of spectroscopic measurements and theoretical calculations. The study corroborates the enormous influence that the distance between the PBI core and the peripheral groups exerts on the chiroptical properties and the supramolecular polymerization mechanism. Compounds 1, with the peripheral groups separated from the central PBI core by two methylenes and an ester group, form J-type supramolecular polymers in a cooperative manner but exhibit negligible chiroptical properties. The lack of clear helicity, due to the staircase arrangement of the self-assembling units in the aggregate, justifies these features. In contrast, attaching the peripheral groups directly to the N-annulated PBI core drastically changes the self-assembling properties of compounds 2, which form H-type aggregates following an isodesmic mechanism. These H-type aggregates show a strong aggregation-caused quenching (ACQ) effect that leads to nonemissive aggregates. Chiral (S)-2 and (R)-2 experience an efficient transfer of asymmetry to afford P- and M-type aggregates, respectively, although no amplification of asymmetry is achieved in majority rules or "sergeants-and-soldiers" experiments. A solvent-controlled stereomutation is observed for chiral (S)-2 and (R)-2, which form helical supramolecular polymers of different handedness depending on the solvent (methylcyclohexane or toluene). The stereomutation is accounted for by considering the two possible conformations of the terminal phenyl groups, eclipsed or staggered, which lead to linear or helical self-assemblies, respectively, with different relative stabilities depending on the solvent.
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Affiliation(s)
- Manuel
A. Martínez
- Departamento
de Química Orgánica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Azahara Doncel-Giménez
- Instituto
de Ciencia Molecular (ICMol), Universidad de Valencia, c/Catedrático José
Beltrán, 2, 46980 Paterna, Spain
| | - Jesús Cerdá
- Instituto
de Ciencia Molecular (ICMol), Universidad de Valencia, c/Catedrático José
Beltrán, 2, 46980 Paterna, Spain
| | - Joaquín Calbo
- Instituto
de Ciencia Molecular (ICMol), Universidad de Valencia, c/Catedrático José
Beltrán, 2, 46980 Paterna, Spain
| | - Rafael Rodríguez
- Univ
Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), UMR 6226, F-35000 Rennes, France
| | - Juan Aragó
- Instituto
de Ciencia Molecular (ICMol), Universidad de Valencia, c/Catedrático José
Beltrán, 2, 46980 Paterna, Spain
| | - Jeanne Crassous
- Univ
Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), UMR 6226, F-35000 Rennes, France
| | - Enrique Ortí
- Instituto
de Ciencia Molecular (ICMol), Universidad de Valencia, c/Catedrático José
Beltrán, 2, 46980 Paterna, Spain
| | - Luis Sánchez
- Departamento
de Química Orgánica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain
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26
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Miao T, Cheng X, Ma H, He Z, Zhang Z, Zhou N, Zhang W, Zhu X. Transfer, Amplification, Storage, and Complete Self-Recovery of Supramolecular Chirality in an Achiral Polymer System. Angew Chem Int Ed Engl 2021; 60:18566-18571. [PMID: 34156135 DOI: 10.1002/anie.202107992] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Indexed: 12/20/2022]
Abstract
Supramolecular chirality and its complete self-recovery ability are highly mystical in nature and biological systems, which remains a major challenge today. Herein, we demonstrate that partially cross-linked azobenzene (Azo) units can be employed as the potential chiral trigger to fully heal the destroyed helical superstructure in achiral nematic polymer system. Combining the self-assembly of Azo units and terminal hydroxyl groups in polymer side chains allows the vapor-induced chiral nematic phase and covalent fixation of the superstructure via acetal reaction. The induced helical structure of Azo units can be stored by inter-chain cross-linking, even after removal of the chiral source. Most interestingly, the stored chiral information can trigger perfect chiral self-recovery (CSR) behavior after being destroyed by UV light, heat, and solvents. The results pave a new way for producing novel chiroptical materials with reversible chirality from achiral sources.
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Affiliation(s)
- Tengfei Miao
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
| | - Xiaoxiao Cheng
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
| | - Haotian Ma
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
| | - Zixiang He
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
| | - Zhengbiao Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
| | - Nianchen Zhou
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
| | - Wei Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
| | - Xiulin Zhu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
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Miao T, Cheng X, Ma H, He Z, Zhang Z, Zhou N, Zhang W, Zhu X. Transfer, Amplification, Storage, and Complete Self‐Recovery of Supramolecular Chirality in an Achiral Polymer System. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202107992] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Tengfei Miao
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application College of Chemistry, Chemical Engineering and Materials Science Soochow University Suzhou 215123 China
| | - Xiaoxiao Cheng
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application College of Chemistry, Chemical Engineering and Materials Science Soochow University Suzhou 215123 China
| | - Haotian Ma
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application College of Chemistry, Chemical Engineering and Materials Science Soochow University Suzhou 215123 China
| | - Zixiang He
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application College of Chemistry, Chemical Engineering and Materials Science Soochow University Suzhou 215123 China
| | - Zhengbiao Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application College of Chemistry, Chemical Engineering and Materials Science Soochow University Suzhou 215123 China
| | - Nianchen Zhou
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application College of Chemistry, Chemical Engineering and Materials Science Soochow University Suzhou 215123 China
| | - Wei Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application College of Chemistry, Chemical Engineering and Materials Science Soochow University Suzhou 215123 China
| | - Xiulin Zhu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application College of Chemistry, Chemical Engineering and Materials Science Soochow University Suzhou 215123 China
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Turkin A, Holzapfel M, Agarwal M, Fischermeier D, Mitric R, Schweins R, Gröhn F, Lambert C. Solvent Induced Helix Folding of Defined Indolenine Squaraine Oligomers. Chemistry 2021; 27:8380-8389. [PMID: 33871113 PMCID: PMC8251825 DOI: 10.1002/chem.202101063] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Indexed: 01/01/2023]
Abstract
A protecting group strategy was employed to synthesise a series of indolenine squaraine dye oligomers up to the nonamer. The longer oligomers show a distinct solvent dependence of the absorption spectra, that is, either a strong blue shift or a strong red shift of the lowest energy bands in the near infrared spectral region. This behaviour is explained by exciton coupling theory as being due to H- or J-type coupling of transition moments. The H-type coupling is a consequence of a helix folding in solvents with a small Hansen dispersity index. DOSY NMR, small angle neutron scattering (SANS), quantum chemical and force field calculations agree upon a helix structure with an unusually large pitch and open voids that are filled with solvent molecules, thereby forming a kind of clathrate. The thermodynamic parameters of the folding process were determined by temperature dependent optical absorption spectra.
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Affiliation(s)
- Arthur Turkin
- Institut für Organische ChemieUniversität WürzburgAm Hubland97074WürzburgGermany
| | - Marco Holzapfel
- Institut für Organische ChemieUniversität WürzburgAm Hubland97074WürzburgGermany
| | - Mohit Agarwal
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials (ICMM) and Bavarian Polymer Institute (BPI)University of Erlangen-NürnbergEgerlandstraße 391058ErlangenGermany
- Institut Max von Laue - Paul Langevin (ILL), DS / LSS71, Avenue des Martyrs - CS 2015638042Grenoble Cedex 9France
| | - David Fischermeier
- Institut für Physikalische und Theoretische ChemieUniversität WürzburgAm Hubland97074WürzburgGermany
| | - Roland Mitric
- Institut für Physikalische und Theoretische ChemieUniversität WürzburgAm Hubland97074WürzburgGermany
- Center for Nanosystems ChemistryUniversität WürzburgAm Hubland97074WürzburgGermany
| | - Ralf Schweins
- Institut Max von Laue - Paul Langevin (ILL), DS / LSS71, Avenue des Martyrs - CS 2015638042Grenoble Cedex 9France
| | - Franziska Gröhn
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials (ICMM) and Bavarian Polymer Institute (BPI)University of Erlangen-NürnbergEgerlandstraße 391058ErlangenGermany
| | - Christoph Lambert
- Institut für Organische ChemieUniversität WürzburgAm Hubland97074WürzburgGermany
- Center for Nanosystems ChemistryUniversität WürzburgAm Hubland97074WürzburgGermany
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29
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Hierarchical communication of chirality for aromatic oligoamide sequences. Nat Commun 2021; 12:2659. [PMID: 33976219 PMCID: PMC8113567 DOI: 10.1038/s41467-021-22984-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 04/07/2021] [Indexed: 11/24/2022] Open
Abstract
The communication of chirality at a molecular and supramolecular level is the fundamental feature capable of transmitting and amplifying chirality information. Yet, the limitation of one-step communication mode in many artificial systems has precluded the ability of further processing the chirality information. Here, we report the chirality communication of aromatic oligoamide sequences within the interpenetrated helicate architecture in a hierarchical manner, specifically, the communication is manipulated by three sequential steps: (i) coordination, (ii) concentration, and (iii) ion stimulus. Such approach enables the information to be implemented progressively and reversibly to different levels. Furthermore, the chiral information on the side chains can be accumulated and transferred to the helical backbones of the sequences, resulting in that one of ten possible diastereoisomers of the interpenetrated helicate is finally selected. The circular dichroism experiments with a mixture of chiral and achiral ligands demonstrate a cooperative behavior of these communications, leading to amplification of chiral information. Communication of chirality at a molecular level is the fundamental for transmitting chirality information but one-step communication modes in many artificial systems limits further processing the chirality information. Here, the authors report chirality communication of aromatic oligoamide sequences within interpenetrated helicate architecture in a hierarchical manner.
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Das G, Cherumukkil S, Padmakumar A, Banakar VB, Praveen VK, Ajayaghosh A. Tweaking a BODIPY Spherical Self‐Assembly to 2D Supramolecular Polymers Facilitates Excited‐State Cascade Energy Transfer. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202015390] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Gourab Das
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
| | - Sandeep Cherumukkil
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
| | - Akhil Padmakumar
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
| | - Vijay B. Banakar
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
| | - Vakayil K. Praveen
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
| | - Ayyappanpillai Ajayaghosh
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
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31
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Li Z, Han Y, Nie F, Liu M, Zhong H, Wang F. Bright and Robust Phosphorescence Achieved by Non‐Covalent Clipping. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202015846] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Zijian Li
- CAS Key Laboratory of Soft Matter Chemistry Department of Polymer Science and Engineering University of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Yifei Han
- CAS Key Laboratory of Soft Matter Chemistry Department of Polymer Science and Engineering University of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Fude Nie
- Institute of Chemical Materials China Academy of Engineering Physics Mianyang 621900 P. R. China
| | - Mingyang Liu
- CAS Key Laboratory of Soft Matter Chemistry Department of Polymer Science and Engineering University of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Hua Zhong
- CAS Key Laboratory of Soft Matter Chemistry Department of Polymer Science and Engineering University of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Feng Wang
- CAS Key Laboratory of Soft Matter Chemistry Department of Polymer Science and Engineering University of Science and Technology of China Hefei Anhui 230026 P. R. China
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32
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Das G, Cherumukkil S, Padmakumar A, Banakar VB, Praveen VK, Ajayaghosh A. Tweaking a BODIPY Spherical Self‐Assembly to 2D Supramolecular Polymers Facilitates Excited‐State Cascade Energy Transfer. Angew Chem Int Ed Engl 2021; 60:7851-7859. [DOI: 10.1002/anie.202015390] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Indexed: 01/16/2023]
Affiliation(s)
- Gourab Das
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
| | - Sandeep Cherumukkil
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
| | - Akhil Padmakumar
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
| | - Vijay B. Banakar
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
| | - Vakayil K. Praveen
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
| | - Ayyappanpillai Ajayaghosh
- Photosciences and Photonics Section Chemical Sciences and Technology Division CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) Thiruvananthapuram Kerala 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
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33
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Li Z, Han Y, Nie F, Liu M, Zhong H, Wang F. Bright and Robust Phosphorescence Achieved by Non-Covalent Clipping. Angew Chem Int Ed Engl 2021; 60:8212-8219. [PMID: 33450117 DOI: 10.1002/anie.202015846] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 01/05/2021] [Indexed: 12/18/2022]
Abstract
Phosphorescent materials with bright emission in versatile media are important for their practical applications, which require to lower the susceptibility of triplet excitons to surroundings. Herein a non-covalent clipping strategy has been developed to attain this objective, by designing a tweezer receptor to encapsulate PtII -based triplet emitters through two-fold π-stacking interactions. The PtII emitters display robust phosphorescence by virtue of synergistic rigidifying and shielding effects, which are hardly influenced by emitter concentration, oxygen content, and solvent polarity changes. The phosphorescent colors are elaborately modulated by varying ligand substitutes on PtII emitters. Circularly polarized phosphorescence is further amplified for chiral PtII emitters, by taking advantage of dual phosphorescence and chirality enhancement upon non-covalent tweezer complexation. Overall, the clipping approach paves the way for the development of high-performance phosphorescent materials with bright emission, environmental robustness, and facile color tunability.
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Affiliation(s)
- Zijian Li
- CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Yifei Han
- CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Fude Nie
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, 621900, P. R. China
| | - Mingyang Liu
- CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Hua Zhong
- CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Feng Wang
- CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
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34
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Kotha S, Mabesoone MFJ, Srideep D, Sahu R, Reddy SK, Rao KV. Supramolecular Depolymerization in the Mixture of Two Poor Solvents: Mechanistic Insights and Modulation of Supramolecular Polymerization of Ionic π‐Systems. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202011977] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Srinu Kotha
- Department of Chemistry Indian Institute of Technology Hyderabad, Kandi Sangareddy Telangana 502285 India
| | - Mathijs F. J. Mabesoone
- Laboratory of Macromolecular and Organic Chemistry and the Institute for Complex Molecular Systems Eindhoven University of Technology P.O. Box 513, 5600 MB Eindhoven The Netherlands
| | - Dasari Srideep
- Department of Chemistry Indian Institute of Technology Hyderabad, Kandi Sangareddy Telangana 502285 India
| | - Rahul Sahu
- Centre for Computational and Data Science Indian Institute of Technology Kharagpur Kharagpur West Bengal 721302 India
| | - Sandeep K. Reddy
- Centre for Computational and Data Science Indian Institute of Technology Kharagpur Kharagpur West Bengal 721302 India
| | - Kotagiri Venkata Rao
- Department of Chemistry Indian Institute of Technology Hyderabad, Kandi Sangareddy Telangana 502285 India
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35
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Kotha S, Mabesoone MFJ, Srideep D, Sahu R, Reddy SK, Rao KV. Supramolecular Depolymerization in the Mixture of Two Poor Solvents: Mechanistic Insights and Modulation of Supramolecular Polymerization of Ionic π-Systems. Angew Chem Int Ed Engl 2021; 60:5459-5466. [PMID: 33247874 DOI: 10.1002/anie.202011977] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 11/19/2020] [Indexed: 11/10/2022]
Abstract
Solvents are fundamentally essential for the synthesis and processing of soft materials. Supramolecular polymers (SPs), an emerging class of soft materials, are usually stable in single and mixtures of poor solvents. In contrast to these preconceived notions, here we report the depolymerization of SPs in the mixture of two poor solvents. This surprising behavior was observed for well-known cationic perylene diimides (cPDIs) in the mixtures of water and amphiphilic organic solvents such as isopropanol (IPA). cPDIs form stable SPs in water and IPA but readily depolymerize into monomers in 50-70 vol% IPA containing water. This is due to the selective solvation of the π-surface of cPDIs by alkyl chains of IPA and ionic side chains by water, as evidenced by molecular dynamic simulations. Moreover, by systematically changing the ratio between water and amphiphilic organic solvent, we could achieve an unprecedented supramolecular polymerization both by increasing and decreasing the solvent polarity.
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Affiliation(s)
- Srinu Kotha
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Telangana, 502285, India
| | - Mathijs F J Mabesoone
- Laboratory of Macromolecular and Organic Chemistry and the Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
| | - Dasari Srideep
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Telangana, 502285, India
| | - Rahul Sahu
- Centre for Computational and Data Science, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India
| | - Sandeep K Reddy
- Centre for Computational and Data Science, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India
| | - Kotagiri Venkata Rao
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Telangana, 502285, India
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36
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Helmers I, Ghosh G, Albuquerque RQ, Fernández G. Pathway and Length Control of Supramolecular Polymers in Aqueous Media via a Hydrogen Bonding Lock. Angew Chem Int Ed Engl 2021; 60:4368-4376. [PMID: 33152151 PMCID: PMC7898687 DOI: 10.1002/anie.202012710] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Indexed: 12/11/2022]
Abstract
Programming the organization of π-conjugated systems into nanostructures of defined dimensions is a requirement for the preparation of functional materials. Herein, we have achieved high-precision control over the self-assembly pathways and fiber length of an amphiphilic BODIPY dye in aqueous media by exploiting a programmable hydrogen bonding lock. The presence of a (2-hydroxyethyl)amide group in the target BODIPY enables different types of intra- vs. intermolecular hydrogen bonding, leading to a competition between kinetically controlled discoidal H-type aggregates and thermodynamically controlled 1D J-type fibers in water. The high stability of the kinetic state, which is dominated by the hydrophobic effect, is reflected in the slow transformation to the thermodynamic product (several weeks at room temperature). However, this lag time can be suppressed by the addition of seeds from the thermodynamic species, enabling us to obtain supramolecular polymers of tuneable length in water for multiple cycles.
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Affiliation(s)
- Ingo Helmers
- Organisch-Chemisches-InstitutWestfälische-Wilhelms-Universität MünsterCorrenstrasse 4048149MünsterGermany
| | - Goutam Ghosh
- Organisch-Chemisches-InstitutWestfälische-Wilhelms-Universität MünsterCorrenstrasse 4048149MünsterGermany
| | - Rodrigo Q. Albuquerque
- Lehrstuhl für SystemverfahrenstechnikTechnical University of Munich (TUM)Gregor-Mendel-Strasse 485354FreisingGermany
| | - Gustavo Fernández
- Organisch-Chemisches-InstitutWestfälische-Wilhelms-Universität MünsterCorrenstrasse 4048149MünsterGermany
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37
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Zhong D, Ying Y, Gui M, Wang C, Zhong H, Zhao H, Wang F. Structure and solvent effects on the stability of platinum(II) acetylide-based supramolecular polymers. J Organomet Chem 2021. [DOI: 10.1016/j.jorganchem.2020.121632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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38
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Miao T, Cheng X, Ma H, Zhang W, Zhu X. Induction, fixation and recovery of self-organized helical superstructures in achiral liquid crystalline polymer. Polym Chem 2021. [DOI: 10.1039/d1py01206a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A flexible chiral storage based on an achiral polymer system can be successfully achieved by chiral doping and covalent cross-linking.
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Affiliation(s)
- Tengfei Miao
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123 China
| | - Xiaoxiao Cheng
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123 China
| | - Haotian Ma
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123 China
| | - Wei Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123 China
| | - Xiulin Zhu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123 China
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39
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Zhang Y, Qin M, Xing C, Zhao C, Dou X, Feng C. Redox-Driven In Situ Helix Reversal of Graphene-Based Hydrogels. ACS NANO 2020; 14:17151-17162. [PMID: 33202135 DOI: 10.1021/acsnano.0c06938] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Controlling the handedness of dynamic helical nanostructures of supramolecular assemblies by external stimuli is of great fundamental significance with appealing morphology-dependent applications. Significantly, access to in situ chirality transformation of dynamic multistimuli-responsive systems can provide channels for real-time monitoring of the transfer processes in biological systems. However, efforts to achieve helix inversion in an all-gel-state and to comprehend the phenomena at a molecular scale are scarce. Herein, we introduce an example of supramolecular hydrogel in which graphene oxide (GO) incorporation leads to opposite helicity of the l-phenylalanine derivative (LPFEG) upon UV irradiation. The gelator modulates different degrees of packing that are responsible for the initial construction of right-handed nanofibers in GO surfaces and for the change in helix to preferred left-handedness in RGO surfaces caused by GO reduction. Specifically, LPFEG shows a mixture of right- and left-handed nanofibers with an appropriate exposure to UV light. A thermal-reversible transformation of chirality is also discovered in the supramolecular assemblies, allowing a dynamic and invertible flip of helicity upon heating and cooling. The morphology transformation makes the hybrid an ideal candidate for application in a precisely controlled drug delivery process. It can unexpectedly serve as a photosensitizer and a carrier for enantioselective absorption of specific chiral drugs enantiomer (l-dopa and S-naproxen sodium) and also exhibit on-demand drug release due to the helix reversal induced by light irradiation. Our results illustrate how the surface reactivity can direct the helical organization of adsorbed fibers, which in turn provide control over enantioselective absorption of chiral drug enantiomers, further giving rise to on-demand drug release due to handedness inversion upon UV irradiation.
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Affiliation(s)
- Yaqian Zhang
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P.R. China
| | - Minggao Qin
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P.R. China
| | - Chao Xing
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P.R. China
| | - Changli Zhao
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P.R. China
| | - Xiaoqiu Dou
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P.R. China
| | - Chuanliang Feng
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P.R. China
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Helmers I, Ghosh G, Albuquerque RQ, Fernández G. Pfad‐ und Längenkontrolle von supramolekularen Polymeren im wässrigen Medium mittels eines Wasserstoffbrückenschlosses. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202012710] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Ingo Helmers
- Organisch-Chemisches-Institut Westfälische-Wilhelms-Universität Münster Correnstraße 40 48149 Münster Deutschland
| | - Goutam Ghosh
- Organisch-Chemisches-Institut Westfälische-Wilhelms-Universität Münster Correnstraße 40 48149 Münster Deutschland
| | - Rodrigo Q. Albuquerque
- Lehrstuhl für Systemverfahrenstechnik Technische Universität München (TUM) Gregor-Mendel-Straße 4 85354 Freising Deutschland
| | - Gustavo Fernández
- Organisch-Chemisches-Institut Westfälische-Wilhelms-Universität Münster Correnstraße 40 48149 Münster Deutschland
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41
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Mabesoone MJ, Palmans ARA, Meijer EW. Solute-Solvent Interactions in Modern Physical Organic Chemistry: Supramolecular Polymers as a Muse. J Am Chem Soc 2020; 142:19781-19798. [PMID: 33174741 PMCID: PMC7705892 DOI: 10.1021/jacs.0c09293] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Indexed: 12/14/2022]
Abstract
Interactions between solvents and solutes are a cornerstone of physical organic chemistry and have been the subject of investigations over the last century. In recent years, a renewed interest in fundamental aspects of solute-solvent interactions has been sparked in the field of supramolecular chemistry in general and that of supramolecular polymers in particular. Although solvent effects in supramolecular chemistry have been recognized for a long time, the unique opportunities that supramolecular polymers offer to gain insight into solute-solvent interactions have become clear relatively recently. The multiple interactions that hold the supramolecular polymeric structure together are similar in strength to those between solute and solvent. The cooperativity found in ordered supramolecular polymers leads to the possibility of amplifying these solute-solvent effects and will shed light on extremely subtle solvation phenomena. As a result, many exciting effects of solute-solvent interactions in modern physical organic chemistry can be studied using supramolecular polymers. Our aim is to put the recent progress into a historical context and provide avenues toward a more comprehensive understanding of solvents in multicomponent supramolecular systems.
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Affiliation(s)
- Mathijs
F. J. Mabesoone
- Institute
for Complex Molecular Systems and the Laboratory of Macromolecular
and Organic Chemistry, Eindhoven University
of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Anja R. A. Palmans
- Institute
for Complex Molecular Systems and the Laboratory of Macromolecular
and Organic Chemistry, Eindhoven University
of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - E. W. Meijer
- Institute
for Complex Molecular Systems and the Laboratory of Macromolecular
and Organic Chemistry, Eindhoven University
of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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42
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Role of molecular chirality and solvents in directing the self-assembly of peptide into an ultra-pH-sensitive hydrogel. J Colloid Interface Sci 2020; 577:388-396. [DOI: 10.1016/j.jcis.2020.05.087] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 05/19/2020] [Accepted: 05/22/2020] [Indexed: 12/18/2022]
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43
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Satake A. The Solvent Effect on Weak Interactions in Supramolecular Polymers: Differences between Small Molecular Probes and Supramolecular Polymers. Chempluschem 2020; 85:1542-1548. [PMID: 32697033 DOI: 10.1002/cplu.202000400] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 07/04/2020] [Indexed: 12/27/2022]
Abstract
In this minireview, weak interactions that occur in supramolecular polymers are discussed. Combination of weak and strong interactions plays an important role in the construction of supramolecular polymers. It is beneficial to separate the contributions of the weak interactions, as well as each solvent effect on the weak interactions. However, it is generally difficult to observe each solvent effect separately at work in each interaction. Small molecular probes are useful to estimate the contributions of the weak interaction. But, the results should be treated with caution when applied to supramolecular polymer systems. To overcome the problems, a new solvent parameter, solvation ability (SA), is introduced, which was determined on the balance point of extended and stacked forms of porphyrin-based interconvertible supramolecular polymers.
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Affiliation(s)
- Akiharu Satake
- Department of Chemistry, Faculty of Science Division II, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan
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44
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Panda SS, Shmilovich K, Ferguson AL, Tovar JD. Computationally Guided Tuning of Amino Acid Configuration Influences the Chiroptical Properties of Supramolecular Peptide-π-Peptide Nanostructures. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:6782-6792. [PMID: 32491857 DOI: 10.1021/acs.langmuir.0c00961] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Self-assembled supramolecular materials derived from peptidic macromolecules with π-conjugated building blocks are of enormous interest because of their aqueous solubility and biocompatibility. The design rules to achieve tailored optoelectronic properties from these types of materials can be guided by computation and virtual screening rather than intuition-based experimental trial-and-error. Using machine learning, we reported previously that the supramolecular chirality in self-assembled aggregates from VEVAG-π-GAVEV type peptidic materials was most strongly influenced by hydrogen bonding and hydrophobic packing of the alanine and valine residues. Herein, we build upon this idea to demonstrate through molecular-level experimental characterization and all-atom molecular modeling that varying the stereogenic centers of these residues has a profound impact on the optoelectronic properties of the supramolecular aggregates, whereas the variation of stereogenic centers of other residues has only nominal influence on these properties. This study highlights the synergy between computational and experimental insight relevant to the control of chiroptical or other electronic properties associated with supramolecular materials.
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Affiliation(s)
| | - Kirill Shmilovich
- Pritzker School of Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, United States
| | - Andrew L Ferguson
- Pritzker School of Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, United States
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45
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Saha B, Ikbal SA, Rath SP. Complexation of Chiral Zinc(II)Porphyrin Tweezer with Chiral Guests: Control, Discrimination and Rationalization of Supramolecular Chirality. Inorg Chem 2020; 59:7795-7809. [DOI: 10.1021/acs.inorgchem.0c00877] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Bapan Saha
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur-208016, India
| | - Sk Asif Ikbal
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur-208016, India
| | - Sankar Prasad Rath
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur-208016, India
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46
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Sugimoto M, Kuramochi Y, Satake A. Measurement of Solvation Ability of Solvents by Porphyrin-Based Solvation/Desolvation Indicators. ACS OMEGA 2020; 5:6045-6050. [PMID: 32226886 PMCID: PMC7098040 DOI: 10.1021/acsomega.9b04461] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Accepted: 02/05/2020] [Indexed: 06/10/2023]
Abstract
A new solvent scale, solvation ability (SA), was developed to arrange solvents in the order of their SA for large π-conjugated compounds. The SA of a solvent was determined in a binary solvent system of an assessed solvent and a standard "good" solvent (GS) or "poor" solvent (PS), chloroform or methylcyclohexane, respectively, in the presence of two types of solvation/desolvation indicators, 1Zn2 and 2Zn2 . The latter comprises bis(imidazolylporphyrinatozinc) linked via a 1,3-butadiynylene moiety having linear alkyl and hydrophilic side chains, respectively. GSs and PSs give extended (E-) and stacked (S-) supramolecular polymers of the indicators, respectively. SA values are defined as vol % of the standard solvent added to an assessed solvent to give the balance point where comparable amounts of E- and S-polymers of the indicators coexist. GSs and PSs have positive and negative signs, respectively. In this study, the SA of 25 solvents was determined. The SA values with indicator 1Zn2 were as follows: ethyl acetate (-81), hexane (-66), toluene (-50), cyclohexane (-47), CCl4 (-25), chloroform (50), and nitrobenzene (79).
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47
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Aratsu K, Shimizu N, Takagi H, Haruki R, Adachi SI, Yagai S. Effect of Solvent on the Thermodynamic Stability of Toroidal Supramolecular Polymers. CHEM LETT 2020. [DOI: 10.1246/cl.190789] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Keisuke Aratsu
- Division of Advanced Science and Engineering, Graduate School of Science and Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
| | - Nobutaka Shimizu
- Photon Factory, Institute of Materials Structure Science, High Energy Accelerator Research Organization, Tsukuba, Ibaraki 305-0801, Japan
| | - Hideaki Takagi
- Photon Factory, Institute of Materials Structure Science, High Energy Accelerator Research Organization, Tsukuba, Ibaraki 305-0801, Japan
| | - Rie Haruki
- Photon Factory, Institute of Materials Structure Science, High Energy Accelerator Research Organization, Tsukuba, Ibaraki 305-0801, Japan
| | - Shin-ichi Adachi
- Photon Factory, Institute of Materials Structure Science, High Energy Accelerator Research Organization, Tsukuba, Ibaraki 305-0801, Japan
| | - Shiki Yagai
- Institute for Global Prominent Research (IGPR), Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
- Graduate School of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
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48
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Kulkarni C, Mondal AK, Das TK, Grinbom G, Tassinari F, Mabesoone MFJ, Meijer EW, Naaman R. Highly Efficient and Tunable Filtering of Electrons' Spin by Supramolecular Chirality of Nanofiber-Based Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1904965. [PMID: 31922628 DOI: 10.1002/adma.201904965] [Citation(s) in RCA: 111] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 11/13/2019] [Indexed: 05/19/2023]
Abstract
Organic semiconductors and organic-inorganic hybrids are promising materials for spintronic-based memory devices. Recently, an alternative route to organic spintronic based on chiral-induced spin selectivity (CISS) is suggested. In the CISS effect, the chirality of the molecular system itself acts as a spin filter, thus avoiding the use of magnets for spin injection. Here, spin filtering in excess of 85% in helical π-conjugated materials based on supramolecular nanofibers at room temperature is reported. The high spin-filtering efficiency can even be observed in nanofibers assembled from mixtures of chiral and achiral molecules through chiral amplification effect. Furthermore and most excitingly, it is shown that both "up" and "down" orientations of filtered spins can be obtained in a single enantiopure system via the temperature-dependent helicity (P and M) inversion of supramolecular nanofibers. The findings showcase that materials based on helical noncovalently assembled systems are modular platforms with an emerging structure-property relationship for spintronic applications.
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Affiliation(s)
- Chidambar Kulkarni
- Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
| | - Amit Kumar Mondal
- Department of Chemical and Biological Physics, Weizmann Institute of Science, Rehovot, 76100, Israel
| | - Tapan Kumar Das
- Department of Chemical and Biological Physics, Weizmann Institute of Science, Rehovot, 76100, Israel
| | - Gal Grinbom
- Department of Chemical and Biological Physics, Weizmann Institute of Science, Rehovot, 76100, Israel
| | - Francesco Tassinari
- Department of Chemical and Biological Physics, Weizmann Institute of Science, Rehovot, 76100, Israel
| | - Mathijs F J Mabesoone
- Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
| | - E W Meijer
- Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
| | - Ron Naaman
- Department of Chemical and Biological Physics, Weizmann Institute of Science, Rehovot, 76100, Israel
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49
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Strauss MJ, Evans AM, Castano I, Li RL, Dichtel WR. Supramolecular polymerization provides non-equilibrium product distributions of imine-linked macrocycles. Chem Sci 2020; 11:1957-1963. [PMID: 34123290 PMCID: PMC8148301 DOI: 10.1039/c9sc05422g] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Supramolecular polymerization of imine-linked macrocycles has been coupled to dynamic imine bond exchange within a series of macrocycles and oligomers. In this way, macrocycle synthesis is driven by supramolecular assembly, either into small aggregates supported by π–π interactions, or high-aspect ratio nanotubes stabilized primarily by electrostatic and solvophobic interactions. For the latter, supramolecular polymerization into nanotubes restricts imine exchange, thereby conferring chemical stability to the assemblies and their constituent macrocycles. Competition in the formation and component exchange among macrocycles favored pyridine-2,6-diimine-linked species due to their rapid synthesis, thermodynamic stability, and assembly into high-aspect ratio nanotubes under the reaction conditions. In addition, the pyridine-containing nanotubes inhibit the formation of similar macrocycles containing benzene-1,3-diimine-linkages, presumably by disrupting their assembly and templation. Finally, we exploit rapid imine exchange within weak, low-aspect ratio macrocycle aggregates to carry out monomer exchange reactions to macrocycles bearing pyridine moieties. Once a pyridine-containing dialdehyde has exchanged into a macrocycle, the macrocycle becomes capable of nanotube formation, which dramatically slows further imine exchange. This kinetic trap provides chemically diverse macrocycles that are not attainable by direct synthetic methods. Together these findings provide new insights into coupling supramolecular polymerization and dynamic covalent bond-forming processes and leverages this insight to target asymmetric nanotubes. We envision these findings spurring further research efforts in the synthesis of nanostructures with designed and emergent properties. Supramolecular polymerization of imine-linked macrocycles has been coupled to dynamic imine bond exchange within a series of macrocycles and oligomers.![]()
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Affiliation(s)
- Michael J Strauss
- Department of Chemistry, Northwestern University Evanston IL 60208 USA
| | - Austin M Evans
- Department of Chemistry, Northwestern University Evanston IL 60208 USA
| | - Ioannina Castano
- Department of Chemistry, Northwestern University Evanston IL 60208 USA
| | - Rebecca L Li
- Department of Chemistry, Northwestern University Evanston IL 60208 USA
| | - William R Dichtel
- Department of Chemistry, Northwestern University Evanston IL 60208 USA
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50
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Abstract
Recent progress in chiroptical switches including on/off, amplification, and inversion of the chiral signals such as ECD and CPL in supramolecular assemblies is shown.
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Affiliation(s)
- Li Zhang
- Beijing National Laboratory for Molecular Science (BNLMS)
- CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Han-Xiao Wang
- Beijing National Laboratory for Molecular Science (BNLMS)
- CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Shuai Li
- Beijing National Laboratory for Molecular Science (BNLMS)
- CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Minghua Liu
- Beijing National Laboratory for Molecular Science (BNLMS)
- CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
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