Fig. 4: Mechanical tests and simulations of the peorvskite films. | Nature Communications

Fig. 4: Mechanical tests and simulations of the peorvskite films.

From: Spontaneous bifacial capping of perovskite film for efficient and mechanically stable flexible solar cell

Fig. 4

a-c Loading-unloading curves (a), instrument hardness (b), and instrument elastic moduli (c) of control and target perovskite films. d, e PFQNM images of control (d) and target (e) perovskite films. f, g 3D stress distribution diagram obtained from microstructure simulation of control (g) and target (h) perovskite films at a curvature radius of 5 mm. h, i 2D cross-sectional stress distribution diagram obtained from microstructure simulation of control (i) and target (j) perovskite films at a curvature radius of 5 mm.

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