Coupled π-conjugated chromophores: squaraine dye dimers as two connected pendulums

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Kuster, S., & Geiger, T. (2015). Coupled π-conjugated chromophores: squaraine dye dimers as two connected pendulums. Dyes and Pigments, 113, 110-116. https://doi.org/10.1016/j.dyepig.2014.08.001