Figure 3
UV–Vis–NIR absorption spectra of the polymer thin films after annealing at 300 °C. (a) PTTD4Ts and (b) PQA2Ts. Insets show the close-up of the peaks. UV–Vis–NIR, ultraviolet–visible–near infrared.
Figure 3 | Polymer Journal
UV–Vis–NIR absorption spectra of the polymer thin films after annealing at 300 °C. (a) PTTD4Ts and (b) PQA2Ts. Insets show the close-up of the peaks. UV–Vis–NIR, ultraviolet–visible–near infrared.
