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Transient absorption (TA) spectra, TRPL decay curves, and phosphorescence emission process. 2D pseudocolor TA spectra of (a) pure Cu2Au2(R-BTT)4 and (b) Cu2Au2(R-BTT)4 with 20 wt % TCTA. TA spectra at different delay times of (c) pure Cu2Au2(R-BTT)4 and (d) Cu2Au2(R-BTT)4 with 20 wt % TCTA. (e) Schematic of the phosphorescence emission process. (f) TRPL decay curves of Cu2Au2(R/S-BTT)4 with 20 wt % TCTA incorporation.
