Figure 4: Deposition and optical properties of ZSO film. | Nature Communications

Figure 4: Deposition and optical properties of ZSO film.

From: High-performance flexible perovskite solar cells exploiting Zn2SnO4 prepared in solution below 100 °C

Figure 4

(a) TEM (inset: high-resolution TEM) and (b) SAED pattern of ZSO NPs synthesized at 90 °C for 12 h (N2H4/Zn=8). (c) Plane view and cross-sectional SEM image of ZSO thin film (inset in Fig. 4c: high-magnification SEM image). (d) transmittance spectra of ZSO films on fused silica substrate with four coating times (inset: the photograph of ZSO colloidal solution and the resultant ZSO film). (e) The reflective index (n) and the extinction coefficient (k) of low-temperature processed ZSO film.

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