Ceiling of Barium Substitution for B-Site Cation in Organometal Halide Perovskite Solar Cells

Table 1

Charged carrier dynamic and corresponding diffusion length.

	Thickness (nm)	(ns)	(ns)	(ns)	(nm), e^–	(nm), h^+
Ba-PVK-0.0	550	7.27	4.07	6.36	187	439
Ba-PVK-0.6	560	2.61	1.62	1.48	395	440