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分子光化学贮存太阳能——Ⅳ双环[2,2,1]-2,3-二羧基-2,5-庚二烯光敏化电子转移异构化反应
MOLECULAR PHOTOCHEMICAL CONVERSION AND STORAGE OF SOLAR ENERGY-Ⅳ. PHOTOSENSITIZED ELECTRON TRANSFER ISOMERIZATION OF BICYCLO [2,2,1] -2,3-DICARBOXY-2,5-HEPTADIENE
【摘要】 以四苯基卟啉和结晶紫为敏化剂,在太阳高密度能量辐照范围内(波长500—600nm)实现了双环[2,2,1]-2,3—二羧基-2,5-庚二烯(N)异构化为四环[2,2,1,02.5,03.5]-2,3-二羧基庚烷(Q)。以四苯基卟啉钴为催化剂,可顺利完成Q向N的转化。讨论的N异构化为Q的机理中包括光敏化单线态电子转移过程。
【Abstract】 Bicycle [2,2, 1]-2,3-dicarboxy-2,5-heptadiene was synthesized (N). Photosensitized electron transfer isomerization of N to quadrocyclo[2,2,1,02.6,03.5]-2,3-dicarboxy-hepta-ne(Q) was studied. Tetraphenylporphyrin and crystal voilet were used as sensitizers. The highest optical radiation intensity (500-600nm) of solar energy coujd be storaged by the isomerization of N to Q. Q was catalyzed reversing to N by complex cobalt(Ⅱ) and tetraphenylporphyrin. The mechanism of photoisomerization was also discussed.
【基金】 中国科学院科学基金
- 【文献出处】 太阳能学报 ,Acta Energiae Solaris Sinica , 编辑部邮箱 ,1988年04期
- 【被引频次】1
- 【下载频次】45