Scanning Electrochemical Microscope Studies of Charge Transfer Kinetics at the Interface of the Perovskite/Hole Transport Layer

Table 3

Fitting results of regeneration and cross-section in different LEDs.

Substrates	LED	k red/10^6 mol cm^3 s^−1	/mol^−1 cm^2
NiO/CH3NH3PbI3	Blue	9.98	6.87 × 10^6
	Red		4.89 × 10^6
PODT: PSS/CH3NH3PbI3	Blue	3.15	4.15 × 10^5
	Red		2.45 × 10^5
FTO/CH3NH3PbI3	Blue	2.85	3.25 × 10^5
	Red		3.17 × 10^5