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AIE behavior of Pz–Pz: (a) emission spectra of solutions in H2O/THF with increasing water fraction (c = 1.0 × 10–5 M, λex = 356 nm); (b) intensity changes in the two emission bands (λem = 390 and 550 nm) at various fw; (c) selected DLS profiles as a function of fw and (d) SEM image (H2O/THF, fw = 90%).
