Fig. 2From: Nonlocal interaction enhanced biexciton emission in large CsPbBr3 nanocrystalsMorphology, structure, and optical properties of large CsPbBr3 nanocrystals. a-c, TEM, HRTEM images with FFT patterns of 12.9 ± 1.1 nm, 17.5 ± 1.4 nm, and 25.8 ± 1.8 nm Spheroids 1–3. d-f, The PL (red) and UV–vis absorption (black) spectra of Spheroids 1–3Back to article page