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Citation: Mei Pan, Zhonghao Wang. Comprehensive Laboratory Teaching of Monitoring Structure Transformation of Photoluminescent Organic Molecular by Powder X-ray Diffraction[J]. University Chemistry, ;2023, 38(2): 185-191. doi: 10.3866/PKU.DXHX202204032 shu

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

Mei Pan ^, ,
Zhonghao Wang

School of Chemistry, Sun Yat-Sen University, Guangzhou 510006, China

Corresponding author: Mei Pan, panm@mail.sysu.edu.cn
Received Date: 12 April 2022

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.
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