Spectral and optical properties of a new subphthalocyanine dye as a potential optical recording material

Yang Wang; Donghong Gu; Fuxi Gan

doi:10.1117/12.416832

7 February 2001 Spectral and optical properties of a new subphthalocyanine dye as a potential optical recording material

Yang Wang, Donghong Gu, Fuxi Gan

Author Affiliations +

Proceedings Volume 4085, Fifth International Symposium on Optical Storage (ISOS 2000); (2001) https://doi.org/10.1117/12.416832
Event: Fifth International Symposium on Optical Storage (IS0S 2000), 2000, Shanghai, China

Abstract

Phthalocyanines (Pcs) are widely investigated compounds for optical storage applications, especially used as recording media of CD-recordable. As a novel class of Pc-related compounds, Subphthalocyanines (SubPcs) share many of the excellent properties of Pcs such as thermal and chemical stability and at the same time have some specific characteristics due to their smaller number of coordinated ring and near-planar cone-shaped geometry. The spectral and optical properties of a new trinitro-substituted SubPc have been studied. Films were prepared either by vacuum evaporation or spin coating from a solution in poly(methylmethacrylate) (PMMA). The UV-vis spectra (absorption, reflection, transmission) and optical constants (refractive index, extinction coefficient) of the sublimed film were measured by a spectrophotometer and an ellipsometer respectively. We also measured the static optical recording performance of this film with a thin Al reflective layer on it. These results demonstrated that SubPc has a strong and broad absorption region near 600 nm and it will be a promising candidate for short-wavelength optical recording (such as DVD-R) if the high-quality films can be got.

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Yang Wang, Donghong Gu, and Fuxi Gan "Spectral and optical properties of a new subphthalocyanine dye as a potential optical recording material", Proc. SPIE 4085, Fifth International Symposium on Optical Storage (ISOS 2000), (7 February 2001); https://doi.org/10.1117/12.416832

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