摘要
力致发光材料因其具有外力作用诱导产生发光的独特性质,其在冲击力、应力、张力或压力等作用力的传感,以及显示、照明、成像等领域具有巨大应用潜力,近年来引起了人们广泛关注。实验以二苯甲酰甲烷(DBM)、Eu(NO_(3))_(3)和三乙胺(TEA)为原料,通过共沉淀法快速合成了离子型Eu^(3+)配合物Eu(DBM)_(4)TEA。采用紫外-可见吸收光谱、红外吸收光谱和X射线衍射谱对配合物的结构进行表征,并测定配合物的荧光性质和力致发光性能。本实验是在现有科研成果的基础上开发的包含稀土金属有机配合物合成、产物仪器表征和产物性能模块化综合化学实验,实现了科教融合;实验原料廉价、实验操作简单,模块化的设计机动灵活,能满足基础实验、综合实验和趣味科普实验等不同层次本科教学需求;实验现象可视,有助于激发学生学习兴趣,提升学生专业认同感。
Recently,mechanoluminescence materials have attracted considerable attention due to their unique optical properties induced by external stimulus,demonstrating the excellent potential for sensing impact,stress,tension,pressure,display and lighting,and imaging.Using dibenzoylmethane(DBM),Eu(NO_(3))_(3),and triethylamine(TEA)as raw materials,the ionic Eu^(3+) coordination complexes Eu(DBM)_(4)TEA were obtained.The complexes were characterized by UV-vis absorption spectroscopy,infrared spectroscopy,X-ray diffraction,and solid fluorescence.Their mechanoluminescence properties are realized by grinding the sample powder.The designing experiment is developed based on the research results and consists of the synthesis and characterization of lanthanide-based organometallic materials.This experiment with a simple route includes a lot of knowledge and was beneficial to enhance students’research capabilities,helping students learn the relationship between structure and function,and getting scientific research training.
作者
陈天云
肖瑞麟
顾欣晟
邵云一
卢求钧
Tianyun Chen;Ruilin Xiao;Xinsheng Gu;Yunyi Shao;Qiujun Lu(College of Biological and Chemical Engineering,Changsha University,Changsha 410022,China)
出处
《大学化学》
CAS
2024年第5期363-370,共8页
University Chemistry
基金
国家级大学生创新训练项目(202211077002)
长沙学院科研育人项目。
关键词
力致发光
铕离子配合物
综合化学实验
Mechanoluminescence
Eu3+coordination polymer
Comprehensive Experiment
