Electrochemistry, electron paramagnetic resonance, and visible spectra of cobalt, nickel, copper, and metal-free phthalocyanines in dimethyl sulfoxide

Rollmann, Louis D.; Iwamoto, Reynold T.

doi:10.1021/ja01008a013

Cited by 254 publications

(76 citation statements)

References 2 publications

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“…Representative data presented in Table 1 emphasize iron and manganese because of their intrinsic interest and because they have been comparatively neglected in previous studies (10,11). Also included, for comparative purposes, are data for some analogous porphyrin complexes.…”

Section: Resultsmentioning

confidence: 99%

Redox potentials of metal phthalocyanines in non-aqueous media

Lever¹,

Wilshire²

1976

Can. J. Chem.

100

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A study of the redox potentials of a range of metal phthalocyanines in non-aqueous media compared with analogous data for some porphyrin complexes provides evidence for extensive back donation in metallophthalocyanines. The potentials for some couples are exceedingly sensitive to axial ligation. It is suggested that this sensitivity may be used to 'tune' a redox couple for a specific purpose such as designing a reversible oxygen breathing system.

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Section: Resultsmentioning

confidence: 99%

Redox potentials of metal phthalocyanines in non-aqueous media

Lever¹,

Wilshire²

1976

Can. J. Chem.

100

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“…Phthalocyanine dyes have been obtained according to the methods described in [13,14,15,16,17,18,19,20] and their purity was carefully checked by following methods: IR, UV-VIS and thin layer chromatography. In this paper following phthalocyanine dyes have been used: phthalocyanines complexed with various metal ions inserted into the central ring (CoPc, CuPc, FePc, MnPc, MgPc and VPc).…”

Section: Methodsmentioning

confidence: 99%

Spectroscopic and photoelectric studies of phthalocyanines in polyvinyl alcohol for application in solar energy conversion

Wróbel

Boguta

Ion³

2000

International Journal of Photoenergy

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Abstract. Phthalocyanines are synthetic dyes which are shown to be good photoconverters which can be applied in a photoelectrochemical cell constructed of semiconducting and metallic electrodes. By means of spectroscopic investigation (absorption, fluorescence and photoacoustics) we have followed spectral properties of phthalocyanines complexed with metals dissolved in polyvinyl alcohol solution in order to determine the pathways of deactivation of their excited states. Spectroscopic investigations were accompanied with photovoltaic/photocurrent and current-voltage characteristics of the photoelectrochemical cell with dyes. It has been shown that there is a correlation between dye fluorescence feature and dye ability to electric photoconversion. The comparison of new data for metallic phthalocyanines with those obtained for porphyrins is discussed.

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“…Согласно данным [13] поглощение при 673 -704 нм соответствует неассо-циированной форме. Появление коротковолновых максимумов и диффузный характер полос в воде и водных растворах щелочей является спектральным проявлениям процессов ассоциации молекул и образо-вания в зависимости от числа сульфогрупп в молекулах синтезированных фталоцианинов (VI-IX), природы растворителя, концентрации растворов и других факторов, димеров или более крупных ассоциатов, в которых происходит взаимодействие π -электронных систем соседних макроциклических хромофоров.…”

Section: а B Sulfonaphthyloxysubstituted Phthalonitriles and Phthalocunclassified