Research Article
Scanning Electrochemical Microscope Studies of Charge Transfer Kinetics at the Interface of the Perovskite/Hole Transport Layer
Table 2
Normalized rate constant keff (cms−1) for NiO/MAPbI3 and PODT: PSS/CH3NH3PbI3 in red illumination.
| /10−9 (mol cm−2s−1) | Curve # | | k eff/10−3 (cms−1) |
| (a) NiO/CH3NH3PbI3 | | | | 14.7 | 7 | 0.051 | 5.42 | 13.1 | 6 | 0.048 | 5.21 | 12.1 | 5 | 0.046 | 5.06 | 9.44 | 4 | 0.042 | 4.58 | 6.82 | 3 | 0.036 | 3.94 | 4.21 | 2 | 0.027 | 2.99 | 2.01 | 1 | 0.016 | 1.83 |
| (b) PODT : PSS/CH3NH3PbI3 | | | | 14.7 | 7 | 0.024 | 2.43 | 13.1 | 6 | 0.022 | 2.33 | 12.1 | 5 | 0.021 | 2.27 | 9.44 | 4 | 0.019 | 2.06 | 6.82 | 3 | 0.016 | 1.76 | 4.21 | 2 | 0.012 | 1.34 | 2.01 | 1 | 0.007 | 0.82 |
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