Alkynylplatinum(II) Terpyridine System Coupled with Rhodamine Derivative: Interplay of Aggregation, Deaggregation, and Ring-Opening Processes for Ratiometric Luminescence Sensing,Inorganic Chemistry

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Alkynylplatinum(II) Terpyridine System Coupled with Rhodamine Derivative: Interplay of Aggregation, Deaggregation, and Ring-Opening Processes for Ratiometric Luminescence Sensing
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2018-05-15 00:00:00 , DOI: 10.1021/acs.inorgchem.8b00448
Yukun Cheng ₁ , Ling Li ₁ , Fangfang Wei ₁ , Keith Man-Chung Wong ₁

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The synthesis and characterization of a platinum(II) terpyridine system tethered with a latent organic dye of rhodamine derivative as colorimetric and luminescent sensory moiety is reported to show selective Hg²⁺ ion sensing behavior. The interplay of aggregation/deaggregation behavior of the alkynylplatinum(II) terpyridine complex and the ring-opening process of rhodamine derivative was investigated. The spectral change of aggregation near-infrared emission at 800 nm and rhodamine fluorescence at 585 nm provides a possible ratiometric luminescence measurement. Morphological studies from transmission electron microscopy and scanning electron microscopy images showing nanospherical structures confirmed the aggregation in the absence of Hg²⁺ ion.

中文翻译：

炔基铂（II）联吡啶体系与若丹明衍生物偶联：聚集，解聚和开环过程之间的相互作用，用于比例发光传感

据报道，与潜在的罗丹明衍生物有机染料束缚的铂（II）联吡啶体系的比色和发光感官部分的合成和表征显示出选择性的Hg ²⁺离子感测行为。研究了炔基铂（II）吡啶吡啶配合物的聚集/解聚行为与若丹明衍生物的开环过程之间的相互作用。在800 nm处聚集的近红外发射光谱和在585 nm处的若丹明荧光的光谱变化提供了可能的比率式发光测量。透射电子显微镜和扫描电子显微镜图像的形态学研究表明，纳米球形结构证实了在不存在Hg ²⁺离子的情况下的聚集。

更新日期：2018-05-15

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