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The Influence of Dithiolato Nickel Complexes on the Light Fastness of a Thin Layer of a Near-infra-red Absorbing Cyanine Dye

The stabilising effect of dithiolato nickel complexes on the photofading of thin layers of a cyanine dyes in a sunlight simulator has been studied. It was found that the neutral nickel complex with a total of twelve methoxy substituents was the most effective in inhibiting the photofading of the dye

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