Figure 4.

UV–vis–NIR absorption spectra of one-electron-reduced [4]•– (green) and two-electron-reduced [5]– (magenta) zinc MB-DIPY derivatives obtained by the reduction with NaBH4 in THF.

UV–vis–NIR absorption spectra of one-electron-reduced [4]•– (green) and two-electron-reduced [5]– (magenta) zinc MB-DIPY derivatives obtained by the reduction with NaBH4 in THF.