Citation: Qin Hou, Jiayi Hou, Aiju Shi, Xingliang Xu, Yuanhong Zhang, Yijing Li, Juying Hou, Yanfang Wang. Preparation of Cuprous Iodide Coordination Polymer and Fluorescent Detection of Nitrite: A Comprehensive Chemical Design Experiment[J]. University Chemistry, ;2024, 39(8): 221-229. doi: 10.3866/PKU.DXHX202312056 shu

Preparation of Cuprous Iodide Coordination Polymer and Fluorescent Detection of Nitrite: A Comprehensive Chemical Design Experiment

College of Chemistry and Materials Science, Shandong Agricultural University, Taian 271000, Shandong Province, China

Received Date: 19 December 2023
Revised Date: 22 January 2024

To foster student’s research acumen and innovative abilities, and to deepen their comprehension of inorganic cluster compounds and fluorescent properties, a comprehensive experiment focusing on the synthesis of a cuprous iodide coordination polymer and its application in fluorescent detection of nitrites is designed. This experiment employs a nano-precipitation technique for the preparation of cuprous iodide coordination polymer. Various analytical methods, including Fourier transform infrared (FTIR), powder X-ray diffraction (PXRD), scanning electron microscopy (SEM), UV-visible spectrophotometry, and fluorescence spectrophotometer, were utilized to characterize the material’s structure and properties. The investigation into the polymer’s fluorescence in detecting nitrites revealed high selectivity and sensitivity, with a detection limit of 3.73 µmol∙L⁻¹, positioning the material as a viable “on-off” fluorescence probe for nitrite detection. Through this experiment, students can not only gain the deeper understanding of the structure of cluster polymers and the frontiers of fluorescence detection, but also learn the fundamental knowledge and operational skills in analytical instruments like UV-visible spectrophotometer, fluorescence spectrophotometer. This groundwork is essential for their future engagement in scientific research and related professional activities.
- Cuprous iodide coordination polymer,
- Fluorescent detection,
- Nitrite,
- Comprehensive chemistry design experiment
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