Nano Convergence

Table 1 Elemental distribution (atomic %) of the individual elements observed on particular spot on (CH₃NH₃)₃Bi₂I₉/TiO₂ film shown in Fig. 4a

From: Lead-free perovskite solar cells using Sb and Bi-based A₃B₂X₉ and A₃BX₆ crystals with normal and inverse cell structures

Spot	Bismuth	Iodine	Titanium	Gold
Point 1	10.00	42.10	45.55	2.72
Point 2	12.87	50.35	34.17	2.59
Point 3	17.25	64.87	14.49	3.11
Point 4	6.32	25.79	64.17	3.29
Point 5	2.79	11.86	80.89	4.02

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