Rhenium (I) tricarbonyl complexes have attracted considerable interest due to their potential use in anion sensing and recognition owing to their rich spectroscopic and luminescent properties. The unique properties of these complexes can be fine-tuned by varying the structure of the coordinated ligands as well as the anion binding subunit. Incorporating such rich and interesting chemistry experiments in the regular inorganic chemistry college curriculum has been very limited, this is partly due to the high cost of rhenium compounds, as well as the lack of or limited access to the requisite analytical instruments such as a fluorimeter for luminescence studies. Here, we will report the synthesis of various rhenium (I) tricarbonyl complexes based on various diimine ligands and their emission studies using a hand-held LabQuest 2 device. Luminescence studies of these rhenium (I) tricarbonyl complexes exhibited strong emissions at ~530 nm with slight variations depending on the nature of the ligands. The rhenium-complexes synthesized were used for advanced development of anion sensors, where they serve as luminescent signaling subunits.

Synthesis and luminescence studies of rhenium(I) tricarbonyl complexes using LabQuest 2

249th National Meeting (2015)

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