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Citation: LIN Mei-jin, WANG Jun-dong, CHEN Nai-sheng, HUANG Jin-ling. Effect of Trace Water on Electronic Absorption Spectra of Substituted Phthalocyaninatozincs in Solvents[J]. Acta Physico-Chimica Sinica, ;2005, 21(06): 677-680. doi: 10.3866/PKU.WHXB20050620 shu

Effect of Trace Water on Electronic Absorption Spectra of Substituted Phthalocyaninatozincs in Solvents

1.
State Key Laboratory of Structural Chemistry, Institute of Research on Functional Materials, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002

Received Date: 19 October 2004
Available Online: 15 June 2005

The electronic absorption spectra of six different alkoxy substituted phthalocyaninatozincs in different solvents have been determined. It is found that a new band (named as X bands) appeared at the longer wavelength side of the Q band in some solvents, such as toluene and CH2Cl2. The band is assigned to the protonation of phthalocyaninatozincs by trace water in the solvent, and it is further proved by the fluorescence spectra and 1H NMR. By adding pyridine to the solution this X band vanishs, and by adding water to the desiccated solvent this X band recurs.
- Phthalocyaninatozincs;Electronic absorption spectra;Protonation
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