基于碳量子点的Cu^(2+)检测的创新实验设计

Innovative Experimental Design of Test for Cu^(2+)Based on Carbon Quantum Dots

以谷氨酸为碳源,采用一步水热法制备碳量子点并将其制成检测试纸。通过检测试纸与溶液中金属铜离子的荧光增强作用,从而快速定性地检测出Cu^(2+)的浓度,该检测试纸具有良好的抗干扰性和选择性。该实验从材料合成到应用的完整流程,有利于材料专业相关学生对于材料合成方法、相关表征手段的认识,有利于激发学生在实验教学活动中的学习热情,掌握相关的专业知识。

Carbon quantum dots are prepared by one-pot hydrothermal method to make reagent paper using glutamic acid as carbon source.The fluorescence enhancement of reagent paper and metal copper ion in solution is applied to quickly and qualitatively detect the concentration of Cu^(2+),indicating good anti-interference and selectivity of the reagent paper.From the complete process from material synthesis to application in this experiment,students majoring in materials science can enhance their understanding of material synthesis method and characterized means,stimulate their learning enthusiasm in experimental teaching activities and master the related professional knowledge.