AI赋能课堂在物理化学混合式教学中的实践探索
成媛媛, 赵娣, 张志成
【大学化学】doi: 10.12461/PKU.DXHX202503029
本文阐述了物理化学课程的特点及传统教学存在的问题,分析了AI与雨课堂结合的优势,介绍了利用AI赋能雨课堂开展物理化学混合式教学的具体实施过程,包括课前、课中、课后的教学环节设计。通过教学实践和学生反馈,探讨了混合式教学模式对学生学习效果、学习兴趣、自主学习能力和创新实践能力的影响,结果表明学生成绩提升明显且未有不及格学生,学习兴趣大幅提升且参与度提高约3倍,学习能力和实践能力也有所提升。本文旨在为物理化学教学改革提供新的思路和方法,推动教育技术与学科教学的深度融合。
关键词: AI赋能, 雨课堂, 物理化学, 混合式教学
Syntheses and luminescence of four Cd(Ⅱ)/Zn(Ⅱ) complexes constructed by 1,3‐bis(4H‐1,2,4‐triazole)benzene
Yanfen PENG, Xinyue WANG, Tianbao LIU, Xiaoshuo WU, Yujing WEI
【无机化学学报】doi: 10.11862/CJIC.20250018
Four new coordination polymers, {[Cd(mbtx)(4OHphCOO)]NO3}n (1), {[Zn(mbtx)(1, 4‐bdc)0.5(H2O)2]·(1, 4‐bdc)0.5·4H2O}n (2), {[Cd2(mbtx)(5NO2‐bdc)2(H2O)3]·4.5H2O}n (3), and {[Zn(H2O)6][Zn2(mbtx)2(btc)2(H2O)4]·2H2O}n (4) (mbtx=1, 3‐bis(4H‐1, 2, 4‐triazole)benzene, 4OHphCOO-=p‐hydroxybenzoate, 1, 4‐bdc2-=1, 4‐benzenedicarboxylate, 5NO2‐bdc2-=5‐nitro‐isophthalate, btc3-=1, 3, 5‐benzenetricarboxylate), were synthesized under room temperature condition and characterized by single‐crystal X‐ray diffraction, elemental analyses, and powder X‐ray diffraction. Single‐crystal X‐ray structural analysis shows that complexes 1 and 3 are 2D networks. In 1, the adjacent 2D networks are linked to a 3D network by ππ stacking interaction. 2 and 4 exhibit 1D chains, and the 1D chains are connected into a 3D network by ππ stacking interaction and intermolecular hydrogen bond. Luminescence and thermogravimetric analysis of the four complexes were discussed.
关键词: 1, 3‐bis(4H‐1, 2, 4‐triazole)benzene, ππ stacking interaction, luminescence, aromatic carboxylic acid, hydrogen bond

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