Luminescence response of the solid state polynuclear copper(I) iodide materials [CuI(4-picoline)]_x to volatile organic compounds

Abstract

Exposure of the polymeric solid [CuI(4-pic)]_∞ to either liquid or vapor toluene leads to disappearance of this material’s characteristic room temperature blue emission (λ_max 437 nm) and the appearance of the yellow emission (λ_max 580 nm) indicative of the [CuI(4-pic)]₄ tetramer; the process is reversed when the latter is exposed to liquid or vapor n-pentane.

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