综合创新实验:水溶性荧光防伪墨水YVO_(4):Eu^(3+)纳米材料的合成与表征

Comprehensive Innovative Experiment:Synthesis and Characterization of Water-Soluble Fluorescent Anti-Counterfeiting Ink YVO_(4):Eu^(3+)Nanomaterials

将科研前沿成果引入到综合化学实验的设计中,设计了面向材料化学专业的创新综合实验:在微波辐射辅助加热的条件下,合成了YVO_(4):Eu^(3+)纳米材料,并对该材料进行了结构表征。该材料的水相溶胶在紫外光激发下,具有很强的荧光效应,可用作荧光墨水进行特殊图案的打印与书写,其在安全防伪领域具有很大应用潜力。通过材料的实际使用,可加深学生对新材料研究的重视,激发学生的科研兴趣,在培养学生动手实验能力的同时,培养学生创新能力和自主学习能力。

The results of frontier scientific research are introduced into the course of synthesized experiment for material chemistry:YVO_(4):Eu^(3+)nanomaterials were synthesized with the condition of microwave radiation assisted heating,and the nanomaterials were characterized.The aqueous sol of the material shows strong fluorescence with UV excitation,which can be used as fluorescent ink for printing and writing in the field of security and anti-counterfeiting.The experiment can deepen students’attention to the new material research,stimulate students’interests in scientific research,cultivate students’innovative ability and independent learning ability while cultivating students’practical experiment ability.