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phthalocyanine
[ thal-uh-sahy-uh-neen, -nin, fthal- ]
noun
- Also called metal-free phthalocyanine. a blue-green pigment, C 3 2 H 1 8 N 8 , derived from phthalic anhydride.
- any of the group of blue or green pigments produced by the interaction of metal-free phthalocyanine and a metal, especially copper: used chiefly in the manufacture of enamels, printing inks, and automotive finishes.
phthalocyanine
/ ˌfθæl-; ˌθæləʊˈsaɪəˌniːn; ˌθeɪ- /
noun
- a cyclic blue-green organic pigment. Formula: (C 6 H 4 C 2 N) 4 N 4 H 4
- any of a class of compounds derived by coordination of this compound with a metal atom. They are blue or green pigments used in printing inks, plastics, and enamels
Word History and Origins
Origin of phthalocyanine1
Word History and Origins
Origin of phthalocyanine1
Example Sentences
More specifically, the cobalt phthalocyanine complex must be physically adsorbed to the surface of the carbon nanotubes as individual molecules.
Wu et al.1 report that a cobalt phthalocyanine catalyst immobilized on carbon nanotubes can electrochemically reduce carbon dioxide in water.
The product selectivity of CO2 reductions catalysed by cobalt phthalocyanine can be strongly affected by even a subtle variation in any of these factors7.
Wu et al. found that their cobalt phthalocyanine system lost its catalytic activity over the course of five hours, and they identified the deactivation process as degradation of the phthalocyanine ligand.
In Saint Jerome, similarly, Martin found phthalocyanine green, a pigment first synthesised four centuries after Parmigianino died.
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