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Citation: LI Xu-Fei, XUE Jin-Ping, CHEN Nai-Sheng, HUANG Jin-Ling. Photo-generating Singlet Oxygen by Metallophthalocyanines Substituted with Aromaticoxy Group Containing Nitrogen[J]. Chinese Journal of Applied Chemistry, ;2007, 24(9): 1041-1044. shu

Photo-generating Singlet Oxygen by Metallophthalocyanines Substituted with Aromaticoxy Group Containing Nitrogen

1.
Institute of Functional Materials, Fuzhou University, Fuzhou 350002

Corresponding author: XUE Jin-Ping,
Received Date: 8 October 2006
Available Online: 22 March 2007
Fund Project: 福建省科技厅国际合作项目(20031018) (20031018)福建省科技厅项目(2006Y0020)资助 (2006Y0020)

Rate constants of photo-generating singlet oxygen(¹O₂) by 28 new metallophthal-ocyanines with center metal Zn(Ⅱ), Cu(Ⅱ), Ni(Ⅱ) or Co(Ⅱ) and with 4 kinds of substituted aromaticoxyl groups containing nitrogen were determined in the presence of 2,5-dimethylfuran(DMFU) as the ¹O₂ quencher by GC. The influence of the electron structure of the center metal, the type of the substituent group, and substitution position on the photo-generation of ¹O₂ by the metallophthalocyanines were discussed. The results show that (1)for different metallophthalocyanies with the same subsituent group and the same substitution position, photo-generation of singlet oxygen(¹O₂) by the phthalocyaninatozinc, was more than that of the phthalocyaninatocopper, phthalocyaninatocobalt and phthalocyaninatonickel. (2)the rate constants of photo-generating ¹O₂ by the phthalocyaninatozinc substituted with azoaromaticoxy group were obviously higher than that for the phthalocyaninatozinc substituted with aromaticoxy containning amine group. (3)the rate constant of photo-generating ¹O₂ by the phthalocyaninatozinc substituted with azoaromaticoxy group at the α position was higher than that with β position substitution.
- aromaticoxy group containing nitrogen,
- metallophthalocyanine,
- photo-generating,
- singlet oxygen
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