粉末X射线衍射法监测发光有机分子结构转化的综合实验教学  

Comprehensive Laboratory Teaching of Monitoring Structure Transformation of Photoluminescent Organic Molecular by Powder X-ray Diffraction

作　　者：潘梅 王中豪 Mei Pan;Zhonghao Wang(School of Chemistry,Sun Yat-Sen University,Guangzhou 510006,China.)

机构地区：[1]中山大学化学学院,广州510006

出　　处：《大学化学》2023年第2期185-191,共7页University Chemistry

基　　金：国家自然科学基金(22171291);广东省高等教育教学改革项目;中山大学本科质量工程建设项目。

摘　　要：结合粉末X射线衍射技术在物相分析领域的应用设计了一个综合创新性实验。实验内容主要包括利用粉末X射线衍射技术监测激发态分子内质子转移(Excited-state intramolecular proton transfer,ESIPT)有机分子在溶剂熏蒸下的结构转化过程。本实验综合培养了学生对粉末X射线衍射仪的操作技巧以及数据处理分析能力,提高了学生利用现代科学仪器来解决实际问题的能力。Combined with the application of powder X-ray diffraction technology in the field of phase analysis,a comprehensive and innovative experiment was designed.The experimental contents mainly include the use of powder X-ray diffraction to monitor the structural transformation of excited-state intramolecular proton transfer(ESIPT) organic molecule 5-(2-(5-fluoro-2-hydroxyphenyl)-4,5-bis(4-fluorophenyl)-1H-imidazol-1-yl)isophthalic acid(H2hpi2cf) under fumigation of solvents.This experiment comprehensively cultivates students’ operation skills and data processing and analysis ability of powder X-ray diffraction,and improves students’ ability to use modern scientific instruments to solve practical problems.

关 键 词：粉末X射线衍射 结构转化 激发态分子内质子转移 有机发光分子 综合创新性实验 

分 类 号：G64[文化科学—高等教育学] O6[文化科学—教育学]