A V-shaped 4-amino-1,8-naphthalimide derived dipyridyl ligand comprising the Tröger's base structural motif has been synthesised and subsequently used in the formation of two new supramolecular coordination polymers.
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http://dx.doi.org/10.1039/c7cc07333j | DOI Listing |
Chem Sci
January 2025
Chemistry and Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur Bangalore 560064 India https://www.jncasr.ac.in/faculty/tmaji.
Coordination-driven metallo-supramolecular polymers hold significant potential as highly efficient catalysts for photocatalytic CO reduction, owing to the covalent integration of the light harvesting unit, catalytic center and intrinsic hierarchical nanostructures. In this study, we present the synthesis, characterization, and gelation behaviour of a novel low molecular weight gelator (LMWG) integrating a benzo[1,2-:4,5-']dithiophene core with terpyridine (TPY) units alkyl amide chains (TPY-BDT). The two TPY ends of the TPY-BDT unit efficiently chelate with metal ions, enabling the formation of a metallo-supramolecular polymer that brings together the catalytic center and a photosensitizer in close proximity, maximizing catalytic efficiency for CO reduction.
View Article and Find Full Text PDFNanoscale
January 2025
State Key Lab of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China.
Solving the assembled structure of Au(I)-thiolate linear coordination polymers has been a challenging task as they generally lack good crystallinity. This has prevented the elucidation of their assembly processes at the molecular level. In this paper, selected area electron diffraction (SAED) patterns of two-dimensional (2D) Au(I)-S(CH)COOH (Au(I)-MPA) lamellae are obtained by applying cryogenic transmission electron microscopy.
View Article and Find Full Text PDFChemistry
January 2025
Northwest University, College of Chemistry and Materials Science, No.1 Xuefu Road, Guodu District, 710127, Xi'an, CHINA.
The combination of supramolecular self-assemblies and polymer science has resulted in the development of soft materials with diverse properties and applications. In particular, the coordination cages of predefined shape, size, and internal cavity can be utilized intelligently as promising building units for designing responsive and smart soft materials with dual porosity, contributing to the introduction of versatile host-guest chemistry into gels. In this review, we present the recent advancements in gels incorporating coordination cages into their networks, ranging from synthesis strategies to state-of-art applications.
View Article and Find Full Text PDFAngew Chem Int Ed Engl
January 2025
South China University of Technology, South China Advanced Institute for Soft Matter Science and Technology, South China Advanced Institute for Soft Matter Science and Technology, 510640, Guangzhou, CHINA.
The precise engineering of microporosity is challenging due to the interference at sub-nm scale from unexpected structural flexibility and molecular packing. Herein, the concept of topological supramolecular complexation is proposed for the feasible fabrication of hierarchical microporosity with broad tunability in amorphous form. The 2.
View Article and Find Full Text PDFInorg Chem
January 2025
Department of Chemistry, Jadavpur University, Kolkata, West Bengal 700032, India.
Pyrazine (tppz) and 5-sulfosalicylic acid (HSSA) mixed-bridging Cd(II)-CP, {[Cd(HSSA)(tppz)]} (), is highly luminescent, and the emission has been quenched selectively by Al in the presence of other cations, with a limit of detection (LOD) of 43.9 nM (1.18 ppb).
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