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. 2017 Apr 10;11(4):3819–3831. doi: 10.1021/acsnano.7b00017

Table 2. DSE-Based Size and Shape Analysis of CsPbX3 Colloidal NCs Resulting from the Assumption of a Bivariate Lognormal Distribution with Average Diameter ⟨D⟩ and Standard Deviation σa.

  CsPbCl3 CsPbBr3 CsPbI3
Dab⟩, σab/⟨Dab 5.34, 0.60 8.19, 0.24 9.86, 0.21
Lc⟩, σc/⟨Lc 7.62, 0.45 9.79, 0.20 8.01, 0.21
aspect ratio 1.41 1.19 0.81
Deq⟩, σ/⟨Deq 6.50, 0.41 9.84, 0.17 10.43, 0.15
DSAXS⟩, σ/⟨DSAXS 5.62(7), 0.20(1) 7.65(4), 0.16(2)
a

Number-based values refer to average size (nm) and size dispersion along the two growth directions of prismatic NCs (⟨Dab⟩, σab/⟨Dab⟩, ⟨Lc⟩, σc/⟨Lc⟩) and of the sphere of equivalent volume (⟨Deq⟩, σ/⟨Deq⟩) and relative aspect ratio (⟨Lc⟩/⟨Dab⟩). Number-based average values provided by SAXS analysis are quoted in the last line. SAXS-based values are also provided.