Researchers from Osaka Metropolitan University have discovered the correct electronic structure of near-infrared absorbing oxocarbon-based dyes. Previously, closed-shell molecules were used to create near-infrared absorbing organic materials, but the research group found that these oxocarbon-based dyes have an intermediate state between closed-shell and open-shell electronic configurations. The researchers hope that this discovery will lead to the development of new near-infrared absorbing organic materials, which will help to advance molecular design, properties, functions, and applications of near-infrared absorbing dyes in society. The findings were published in the scientific journal Chemical Science.
Researchers Uncover Electronic Structure of Near-Infrared Absorbing Oxocarbon-based Dyes
A research team led by Osaka Metropolitan University has uncovered the correct electronic structure of near-infrared absorbing oxocarbon-based dyes. Near-infrared light, which has a longer wavelength than visible light, is capable of passing through many substances and is necessary for technological innovations that utilize near-infrared light. The development of new dyes that can absorb longer wavelengths of near-infrared light is crucial for the advancement of this technology.
Previously, closed-shell molecules were used to create near-infrared absorbing organic materials. However, the research group found that these oxocarbon-based dyes have an intermediate state between closed-shell and open-shell electronic configurations. The researchers also discovered that the contribution of open-shell forms in the dye increases as the wavelengths of near-infrared light absorbed increase.
By clarifying the correct electronic structure of near-infrared absorbing oxocarbon-based dyes, the researchers hope to pave the way for the development of new near-infrared absorbing organic materials. This will lead to advances in molecular design, properties, functions, and applications of near-infrared absorbing dyes, and their broader use in society.
This research has been published in the scientific journal Chemical Science under the title “Unveiling a new aspect of oxocarbons: open-shell character of 4- and 5-membered oxocarbon derivatives showing near-infrared absorption.” For further information, please refer to the cited source.
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