Nano Convergence

Table 2 Elemental distribution (atomic %) of the individual elements observed on a particular spot on (CH₃NH₃)₃Bi₂I₉/NiO film shown in Fig. 4b

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

Spot	Bismuth	Iodine	Nickel	Gold
Point 1	13.92	68.52	10.88	6.95
Point 2	0.00	11.14	46.54	42.31
Point 3	0.00	12.25	45.62	42.12
Point 4	18.07	74.56	2.33	4.64
Point 5	19.01	76.55	0.92	3.29

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