Damming a Molecular Energy Reservoir: Ion-regulated Electronic Energy Shuttling in a [2]Rotaxane

02 March 2021, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Bidirectional electronic energy shuttling is shown to occur between the molecular ring and axle components of a rotaxane. The engineered energetic and kinetic parameters give rise to long-lived, delayed luminescence. Perturbation of the quasi-isoenergetic ring and stopper chromophore excited-state energy levels upon cation binding influences the energy shuttling process, and hence luminescence read-out, representing a new potential mechanism in luminescent molecular chemosensor development

Keywords

rotaxane architectures
energy transfer
energy shuttling

Supplementary materials

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SI 280221
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SI 280221.2
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SI 280221.3
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