Citation:
Yuanyuan Li, Yang Ding, Tingting Zhang, Wenting Li, Kai Li. 罗丹明6G酰肼水杨醛席夫碱锌离子配合物的合成及光致变色性能表征综合实验[J]. University Chemistry,
;2022, 37(5): 210908.
doi:
10.3866/PKU.DXHX202109089
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设计了一个6学时的综合化学实验,结合光致变色这一化学研究热点,向学生传授有机合成、波谱分析等相关知识。在本实验中,学生通过两步反应合成罗丹明6G酰肼水杨醛席夫碱分子,进而与锌离子结合,得到具有可逆光致变色性能的罗丹明6G酰肼水杨醛席夫碱锌离子配合物。学生通过观察溶液和固体基质中该配合物在光照前后的颜色和紫外光谱变化,了解光致变色现象。结合课堂讲解、文献阅读,了解光致变色现象产生的机理。本实验所需的试剂仪器简单、成本低廉,适于在化学或相关专业的本科实验教学中推广。此外,本实验现象明显,具有较强的趣味性,通过本实验不但可以提高学生的知识水平和专业素养,也可以培养其对化学的兴趣和热爱。
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Keywords:
- Photochromism,
- Rhodamine 6G,
- Complex
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