Synthesis and spectral properties of axially bromo-substituted subphthalocyanines for optical storage

Haiyang Tu; He Tian

doi:10.1117/12.416837

7 February 2001 Synthesis and spectral properties of axially bromo-substituted subphthalocyanines for optical storage

Haiyang Tu, He Tian

Proceedings Volume 4085, Fifth International Symposium on Optical Storage (ISOS 2000); (2001) https://doi.org/10.1117/12.416837
Event: Fifth International Symposium on Optical Storage (IS0S 2000), 2000, Shanghai, China

Abstract

Subphthalocyanines (SubPc) are composed of three isoindole units containing boron inside, which defines a molecular axis and forms a cone-shaped structure. Despite being non-planar, they show a delocalized 14(pi) -electron system similar to that present in phthalocyanines. The attractive characteristics of SubPc are their chemical stability and thermal stability. We report here the synthesis of three SubPc compounds, in which the axial substituent is a bromide. The peripheral substituent in the compounds leads to an improved solubility in common organic solvents. The results demonstrated that SubPc showed a strong and broad absorption region near 600 nm. This is advantageous for the purification and important for the applications in optical storage (DVD-R).

Citation Download Citation

Haiyang Tu and He Tian "Synthesis and spectral properties of axially bromo-substituted subphthalocyanines for optical storage", Proc. SPIE 4085, Fifth International Symposium on Optical Storage (ISOS 2000), (7 February 2001); https://doi.org/10.1117/12.416837

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