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Preparation of Cu(I)-Fe(II)-based heterometallic supramolecular polymer for electrochemical detection of toxic nitrite ion Md. Delwar Hossain * , Niloy Karmaker, Fahima Ferdous, Abdul Awal, A. J. Saleh Ahammad Department of Chemistry, Jagannath University, Dhaka, Bangladesh E-mail: delwar0171038512@gmail.com Metallo-supramolecular polymers, wherein the main chains are formed by coordination bonds, are a new type of polymer materials. These polymeric systems potentially offer the attractive combination of the functionality of metal ions, and the self-assembly characteristics and dynamic nature of supramolecular chemistry. They have dramatically influenced society, with advances in inventions of energy and information storage, electrochromic displays, sensors, self-healing materials and biorecognition. On the other hand, nitrite is recognized as a highly toxic contaminant that poses significant risks to both the environment and human health. The electrochemical detection of nitrite, known for its environmental and health hazards, has been a focal point of research. In this research work, a new heterometallic supramolecular polymer (HMSMP) was synthesized for fabricating an electrochemical nitrite sensor, and proposed a mechanism for sensitive detection of nitrite based on analysis of experimental findings of spectroscopic and electroanalytical techniques. The ligand bearing bisterpyridine moieties was complexed with Cu(I) and Fe(II) salts for synthesizing the new polyCuFe. The polyCuFe was characterized with the UV-vis technique, FESEM, EDS, FT-IR and molecular weight measurement. The high electrochemical activity and suitability of the polyCuFe as an electrochemical sensor were confirmed by the electroanalytical characterization techniques such as CV and EIS. Key words: Supramolecular Polymer, Electrocatalyst, Real sample analysis, Nitrite, Electrochemical Detection.
P12
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