Study on nonlinear spectroscopy of tetraphenylporphyrin and dithiaporphyrin diacids

Article Abstract:

A detailed study of nonlinear absorption parameters of two porphyrin, tetraphenylporphyrin and dithiaporphyrin diacids as well as their neutral parent complexes is demonstrated. The two diacids exhibit perturbed static and dynamic characteristics and enhanced nonlinear absorption properties which could be applied to optical limiting.

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Linear and nonlinear optical characterization of a tetraphenylporphyrin-carbon nanotube composite system

Article Abstract:

The photophysical and nonlinear optical properties of porphyrin molecules and their single-walled carbon nanotube (SWNT) composites are reported. It is found that the composite solutions are superior optical limiters to nanotubes alone, and to all porphyrin systems, including metalloporphyrins.

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Fast excition migration in phorphyrin-functionalized polypeptides

Article Abstract:

The study investigated the photophysical properties of L-lysine-based polypeptides bearing porphyrin pendants. It revealed that the rate of the excition migration depends on the polymerization degree.

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