Responsive macrocyclic and supramolecular structures powered by platinum

Soto, Miguel A.; MacLachlan, Mark J.

doi:10.1039/d3sc05524h

Chem. Sci.

2024

DOI: 10.1039/d3sc05524h

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Responsive macrocyclic and supramolecular structures powered by platinum

Miguel A. Soto,

Mark J. MacLachlan

Abstract: Platinum's recent evolution spans from responsive complexes to multicomponent assemblies. This Perspective Article explores the role of this metal in designing macrocycles and polymers that reshape or restructure in response to external stimuli.

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2024

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Cited by 2 publications

References 110 publications

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Solid‐State Emissive Pillar[6]arene Derivative Having Alternate Methylene and Nitrogen Bridges

Ohtani,

Nakaguchi,

Kato

et al. 2024

Chemistry An Asian Journal

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Macrocyclic arenes show conformational adaptability, which allows host–guest complexations with the size‐matched guest molecules. However, their emission properties are often poor in the solid states due to the self‐absorption. Herein, we newly synthesized pillar[6]arene derivatives having alternate methylene and nitrogen bridging structures. Solvatochromic study reveals that the nitrogen‐embedding into the cyclic structures can strengthen the intramolecular charge transfer (CT) nature compared to that of the linear nitrogen‐bridged precursor. Owing to the large Stokes shift in the solid state, one of the nitrogen‐embedded pillar[6]arenes shows high absolute photoluminescence quantum yield (ΦPL = 0.36). Furthermore, it displays a turn‐off sensing ability toward nitrobenzene (NB) vapor; a fluorescence quenching is observed when exposed to the NB vapor. From the structural analysis before and after the exposure of NB vapor, the amorphous nitrogen‐embedded pillar[6]arene efficiently co‐crystallize with NB and formed non‐emissive intermolecular CT complexes with NB.

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Solid‐State Emissive Pillar[6]arene Derivative Having Alternate Methylene and Nitrogen Bridges

Ohtani,

Nakaguchi,

Kato

et al. 2024

Chemistry An Asian Journal

View full text Add to dashboard Cite

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π-Extended ligands with dual-binding behavior: hindered rotation unlocks unexpected reactivity in cyclometalated Pt complexes

Ota,

Soto,

Patrick

et al. 2024

Chem. Sci.

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Responsive macrocyclic and supramolecular structures powered by platinum

Abstract: Platinum's recent evolution spans from responsive complexes to multicomponent assemblies. This Perspective Article explores the role of this metal in designing macrocycles and polymers that reshape or restructure in response to external stimuli.

Cited by 2 publications

References 110 publications

Solid‐State Emissive Pillar[6]arene Derivative Having Alternate Methylene and Nitrogen Bridges

Solid‐State Emissive Pillar[6]arene Derivative Having Alternate Methylene and Nitrogen Bridges

π-Extended ligands with dual-binding behavior: hindered rotation unlocks unexpected reactivity in cyclometalated Pt complexes

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