Fig. 4: The large Stokes shifts of VIPI-2 explained by femtosecond transient absorption spectra. | Nature Communications

Fig. 4: The large Stokes shifts of VIPI-2 explained by femtosecond transient absorption spectra.

From: Near-infrared II cyanine fluorophores with large stokes shift engineered by regulating respective absorption and emission

Fig. 4

Femtosecond transient absorption spectra of VIPI-2 in chloroform (A and B) and DMSO (E and F). Kinetic profiles of VIPI-2 at selected wavelengths in chloroform (C and D) and DMSO (G and H). Time-evolution absorption spectra of VIPI-2 in chloroform (I) and DMSO ( J). The horizontal dotted line denotes the base line. K Schematic diagram of the photophysical process of VIPI-2.

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