Structural Elucidation of Selective Solvatochromism in a Responsive-at-Metal Cyclometalated Platinum(II) Complex.,Angewandte Chemie International Edition

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Structural Elucidation of Selective Solvatochromism in a Responsive-at-Metal Cyclometalated Platinum(II) Complex.
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2020-03-27 , DOI: 10.1002/anie.202002646
Miguel A Soto ₁ , Veronica Carta ₁ , Ryan J Andrews ₁ , Mohammad T Chaudhry ₁ , Mark J MacLachlan _{1,

2,

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Affiliation

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.

中文翻译：

金属响应性环金属化铂（II）络合物中选择性溶剂变色的结构解析。

我们报告了一种新的金属响应式环金属化铂（II）配合物的合成，表征和光谱学研究。使用温和的化学氧化剂和还原剂，可以在三种不同的氧化态下获得相同的配合物，并且通过单晶X射线衍射对每种配合物进行结构表征。我们发现，铂（II）配合物在固态下显示出很强的溶剂致变色现象，这可以归因于对Pt·⋅·Pt相互作用的调节，从而导致了光学和光致发光状态之间的转换。将响应性金属物种作为纳米结构材料中的动态成分可能会促进响应放大，传感，驱动或自愈过程。

更新日期：2020-03-27

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