Synthesis, spectral and electrochemical characterization of non-aggregating α-substituted vanadium(IV)-oxo phthalocyanines - Details

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Abstract：

Two　α-substituted　vanadium-oxo　phthalocyanines,　[(OC　6H3(t-Bu)2)4Pc]VO　and　[(OC　8H17)4Pc]VO,　where　OC6H　3(t-Bu)2　is　2,4-di-tert-butylphenoxy　and　OC　8H17　is　2,2,4-tri-methyl-3-pentoxy,　were　synthesized　and　characterized　by　elemental　analysis,　mass　spectrometry,　UV-visible,　IR,　ESR　spectroscopy　and　electrochemistry.　Both　complexes　have　good　solubility　and　do　not　aggregate　in　polar　or　non-polar　solvents.　Three　reductions　and　two　oxidations　can　be　observed　in　DMF　containing　0.2　M　TBAP.　A　HOMO-LUMO　gap　of　∼　1.4　V　is　seen　for　both　complexes.　The　first　two　one-electron　reductions　and　first　oxidation　are　reversible　diffusion　controlled　electrode　processes　under　the　given　experimental　conditions.　The　effects　of　solvent　and　phthalocyanine　macrocycle　substituents　on　the　Q　bands　of　the　electronic　absorption　spectra　are　discussed.　Copyright　©　2005　Society　of　Porphyrins　&　Phthalocyanines.

Keyword：

Electrochemistry; Spectroscopy; Synthesis; Vanadium-oxo phthalocyanines

Community：

[ 1 ] [Jiang, Z.]Institute of Research on Functional Materials, Fuzhou University, Fuzhou 350002, China
[ 2 ] [Ou, Z.]Department of Chemistry, University of Houston, Houston, TX 77204-5003, United States
[ 3 ] [Chen, N.]Institute of Research on Functional Materials, Fuzhou University, Fuzhou 350002, China
[ 4 ] [Wang, J.]Institute of Research on Functional Materials, Fuzhou University, Fuzhou 350002, China
[ 5 ] [Huang, J.]Institute of Research on Functional Materials, Fuzhou University, Fuzhou 350002, China
[ 6 ] [Shao, J.]Department of Chemistry, University of Houston, Houston, TX 77204-5003, United States
[ 7 ] [Kadish, K.M.]Department of Chemistry, University of Houston, Houston, TX 77204-5003, United States

Reprint 's Address：

陈耐生
[Chen, N.]Institute of Research on Functional Materials, Fuzhou University, Fuzhou 350002, China

Email：

nschen@fzu.edu.cn

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Source ：

Journal of Porphyrins and Phthalocyanines

ISSN： 1088-4246

Year： 2005

Issue： 5

Volume： 9

Page： 352-360

1 . 3 3 9

JCR@2005

0 . 9 0 0

JCR@2023

ESI Discipline： CHEMISTRY;

JCR Journal Grade：2

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