Tamara Potlog, Ion Lungu, Mariana Diru, Alexandrina Druta and Marius Dobromir
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Water-soluble ZnPc(COOH)4/Ch/MgO self-assembled systems
In this study, a new metal oxide NP/MPc derivative composite as efficient photosensitizer for photodynamic therapy of cancer and photocatalytic activities is developed. The ZnPc(COOH)4/MgO composite consists of the synthesized water soluble tetra-carboxy zinc phthalocyanine derivative and magnesium oxide nanoparticles prepared with different precipitating agents. The ZnPc(COOH)4/MgO composites were investigated by UV-Vis spectroscopy and fluorescence spectrophotometry. The absorption and emission spectra of the self-assembled ZnPc(COOH)4/MgO composite highlight the Stokes shift between them, which is near 119 nm. The composites also exhibited room-temperature phosphorescence with an average triplet state lifetime of 5.01 μs and a quantum yield of 10.63%.
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An international, peer-reviewed journal covering all of the chemical sciences, including multidisciplinary and emerging areas. RSC Advances is a gold open access journal allowing researchers free access to research articles, and offering an affordable open access publishing option for authors around the world.
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