Structural Elucidation of Selective Solvatochromism in a Responsive-at-Metal Cyclometalated Platinum(II) Complex

Miguel A Soto; Veronica Carta; Ryan J Andrews; Mohammad T Chaudhry; Mark J MacLachlan

doi:10.1002/anie.202002646

Structural Elucidation of Selective Solvatochromism in a Responsive-at-Metal Cyclometalated Platinum(II) Complex

Angew Chem Int Ed Engl. 2020 Jun 22;59(26):10348-10352. doi: 10.1002/anie.202002646. Epub 2020 May 8.

Authors

Miguel A Soto¹, Veronica Carta¹, Ryan J Andrews¹, Mohammad T Chaudhry¹, Mark J MacLachlan^{1

2

3}

Affiliations

¹ Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC, V6T 1Z1, Canada.
² Stewart Blusson Quantum Matter Institute, University of British Columbia, 2355 East Mall, Vancouver, BC, V6T 1Z4, Canada.
³ WPI Nano Life Science Institute, Kanazawa University, Kanazawa, 920-1192, Japan.

PMID: 32222012
DOI: 10.1002/anie.202002646

Abstract

We report the synthesis, characterization, and spectroscopic investigations of a new responsive-at-metal cyclometalated platinum(II) complex. With mild chemical oxidants and reductants, it was possible to obtain the same complex in three different oxidation states and each of these complexes was structurally characterized by single-crystal X-ray diffraction. We discovered that the platinum(II) complex displays strong solvatochromism in the solid state, which can be attributed to modulation of Pt⋅⋅⋅Pt interactions that results in switching between optical and photoluminescent states. Incorporating responsive-at-metal species as dynamic components in nanostructured materials might facilitate response amplification, sensing, actuation, or self-healing processes.

Keywords: X-ray diffraction; dimers; luminescence; platinum; solvatochromism.

Abstract

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