Figure 1From: Tuning photoluminescence of organic rubrene nanoparticles through a hydrothermal process SEM images. (a) Unfiltered pristine and (b) HT-110, (c) HT-130, (d) HT-150, (e) HT-160, and (f) HT-180 rubrene NPs. Inset of Figure 1a: Schematic chemical structure of rubrene molecule. Insets of Figure 1b, d, e, and f: HR-TEM images of corresponding HT rubrene NPs.Back to article page