Abstract
Solvato-PL switching and shrinking-and-opening process: we present two CuI coordination polymers of calix[4]-bis-monothiacrown (L) obtained in the absence (1) and presence (2) of KI. The structures show not only very unusual CuI-based network arrangements but also unique reversible photolunimescence switching behavior induced by removal of coordinated solvent. Furthermore, upon inclusion of K+ ions the crown ring shrinks leading to "opening" of opposite aromatic rings in the host calixarene unit, rare behavior for this class of compound.
MeSH terms
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Calixarenes / chemistry*
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Copper / chemistry*
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Crown Ethers / chemistry*
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Cyclization
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Iodides / chemistry*
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Ligands
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Luminescence*
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Models, Molecular
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Molecular Structure
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Organometallic Compounds / chemical synthesis
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Organometallic Compounds / chemistry*
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Photochemistry
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Polymers / chemistry*
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Potassium Iodide / chemistry
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Spectrophotometry, Ultraviolet / methods
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Sulfhydryl Compounds / chemistry
Substances
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Crown Ethers
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Iodides
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Ligands
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Organometallic Compounds
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Polymers
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Sulfhydryl Compounds
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Calixarenes
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Potassium Iodide
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Copper
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cuprous iodide