Issue 8, 1992

Photoelectrochemical synthesis of phthalocyanine

Abstract

Phthalocyanine has been synthesized photoelectrochemically with high current and quantum efficiencies at various p-type semiconductor electrodes. The reaction was followed by monitoring the absorption peak at 667 nm, which corresponds to phthalocyanine anion. Production of phthalocyanine was confirmed by X-ray diffraction, IR and UV–VIS spectroscopy, and elemental analysis. The highest current efficiency was 75%, and ca. 1 V was saved by using p-GaP as a photoelectrode compared with dark electrolysis at a gold electrode. Detailed study showed that a photoelectrochemically-formed intermediate was thermally converted to phthalocyanine anion (Pc2–).

Article information

Article type
Paper

J. Chem. Soc., Perkin Trans. 2, 1992, 1331-1333

Photoelectrochemical synthesis of phthalocyanine

K. Uosaki and J. Ueda, J. Chem. Soc., Perkin Trans. 2, 1992, 1331 DOI: 10.1039/P29920001331

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