Looking from different perspectives! Proper electronic structure of near-infrared absorbing functional dyes discovered: A big step toward the development of dyes with long-wavelength near-infrared absorption

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Looking from different perspectives! Proper electronic structure of near-infrared absorbing functional dyes discovered: A big step toward the development of dyes with long-wavelength near-infrared absorption

A research group has discovered that near-infrared absorbing dyes, which had previously been considered to have closed-shell electronic structures, have an intermediate electronic structure, between closed- and open-shell structures. They also found that as the wavelength of near-infrared light that can be absorbed becomes longer the contribution of open-shell forms increases within the dye. These newly discovered characteristics are expected to…