˜yÐÄvlog

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phthalocyanine

[ thal-uh-sahy-uh-neen, -nin, fthal- ]

noun

Chemistry.
  1. Also called metal-free phthalocyanine. a blue-green pigment, C 3 2 H 1 8 N 8 , derived from phthalic anhydride.
  2. 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

/ ËŒfθæl-; ˌθæləʊˈsaɪəˌniËn; ˌθeɪ- /

noun

  1. a cyclic blue-green organic pigment. Formula: (C 6 H 4 C 2 N) 4 N 4 H 4
  2. 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
“Collins English Dictionary — Complete & Unabridged†2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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˜yÐÄvlog History and Origins

Origin of phthalocyanine1

First recorded in 1930–35; (na)phthal(ene) + -o- + cyanine
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˜yÐÄvlog History and Origins

Origin of phthalocyanine1

C20: from phthal- (see phthalein ) + cyanine
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Example Sentences

Examples have not been reviewed.

More specifically, the cobalt phthalocyanine complex must be physically adsorbed to the surface of the carbon nanotubes as individual molecules.

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Wu et al.1 report that a cobalt phthalocyanine catalyst immobilized on carbon nanotubes can electrochemically reduce carbon dioxide in water.

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The product selectivity of CO2 reductions catalysed by cobalt phthalocyanine can be strongly affected by even a subtle variation in any of these factors7.

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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.

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In Saint Jerome, similarly, Martin found phthalocyanine green, a pigment first synthesised four centuries after Parmigianino died.

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