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. 2015 Mar 24;5:9439. doi: 10.1038/srep09439

Figure 1. Molecular structure of the cyanine dye, schematic of the device architecture and absorption spectra.

Figure 1

(a) Chemical structure of the cyanine dye Cy7-T with the anion Δ-TRISPHAT. (b) Energy level diagram of the photodiode. (c) Schematic representation of the photodiode with an average visible transmittance (AVT450–670 nm) of 68.9%. (d) Absorption spectra of individual materials with thicknesses indicated in (c), and the transmittance spectrum of the layer stack ITO/TiO2/poly-C60/Cy7-T/MeO-TPD/MoO3.