Phthalocyanine and Related Analogues

Soji Shimizu

doi:10.1007/978-981-33-4392-4_4

Phthalocyanine and Related Analogues

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

Phthalocyanine (Pc) has been one of the most important industrial dyes exhibiting lasting blue or green color and used in various research fields including not only organic electronics but also biomedical field. The aim of this chapter is to overview the chemistry of Pc and its ring contracted analogue, subphthalocyanine (SubPc), with an emphasis on their syntheses and optical properties from a viewpoint of molecular symmetry–property relationships. A basic theoretical description of the absorption properties of Pc and SubPc, which is referred to as Gouterman’s four orbital theory, is introduced. In addition, magnetic circular dichroism (MCD) spectroscopy, a powerful spectroscopic tool to analyze the absorption spectra of Pc, SubPc, and related analogues, is briefly described. Finally, recent advances in the synthesis of new Pc-based NIR chromophores will also be covered.

Original language	English
Title of host publication	Progress in the Science of Functional Dyes
Publisher	Springer Singapore
Pages	85-118
Number of pages	34
ISBN (Electronic)	9789813343924
ISBN (Print)	9789813343917
DOIs	https://doi.org/10.1007/978-981-33-4392-4_4
Publication status	Published - Jan 1 2021

All Science Journal Classification (ASJC) codes

General Chemistry
General Engineering
General Materials Science
General Physics and Astronomy

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10.1007/978-981-33-4392-4_4

Cite this

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Phthalocyanine and Related Analogues

Abstract

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