Supporting Information
High-Performance CH3NH3PbI3 Inverted Planar Perovskite Solar Cells with Fill Factor Over 83% via Excess Organic/Inorganic Halide Muhammad Jahandar,†,‡ Nasir Khan,‡,§ Hang Ken Lee,† Sang Kyu Lee,†,‡ Won Suk Shin,†,‡ Jong-Cheol Lee,†,‡ Chang Eun Song*,‡, § and Sang-Jin Moon*,†,‡ †
Advanced Materials Division, Korea Research Institute of Chemical Technology (KRICT),
141 Gajeongro, Yuseong, Daejeon 34114, Republic of Korea. ‡
Advanced Materials and Chemical Engineering, University of Science and Technology
(UST), 217 Gajeongro, Yuseong, Daejeon 34113, Republic of Korea. §
Center for Solar Energy Materials, Korea Research Institute of Chemical Technology
(KRICT), 141 Gajeongro, Yuseong, Daejeon 34114, Republic of Korea.
Corresponding Author *E-mail:
[email protected], *E-mail:
[email protected]
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Figure S1. Atomic force microscope (AFM) images of the control and of the excess organic/inorganic halide incorporated MAPbI3 perovskite films.
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Figure S2. GIWAXS data azimuthally integrated around q = 0.98 Å-1 showing preferential orientation for control and excess organic/inorganic halide incorporated MAPbI3 inverted planar perovskite solar cells.
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Figure S3. J-V characteristics of the control and of the excess organic/inorganic halide incorporated MAPbI3 inverted planar perovskite solar cells.
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Table S1. Summary of device performance of the control and of the excess organic/inorganic halide incorporated MAPbI3 inverted planar perovskite solar cells.
Perovskite
VOC (V)
JSC (mA/cm2)
FF (%)
η (%)
MAPbI3
0.943
17.92
76.77
12.97
MAPbI3+MAI (0.025M)
0.960
18.78
79.68
14.37
MAPbI3+MAI (0.050M)
0.964
18.64
81.47
14.65
MAPbI3+MAI (0.075M)
0.954
18.61
81.14
14.41
MAPbI3+MAI (0.100M)
0.951
18.04
80.79
13.86
MAPbI3+FAI (0.025M)
0.966
18.65
80.55
14.52
MAPbI3+FAI (0.050M)
0.975
20.49
83.84
16.74
MAPbI3+FAI (0.075M)
0.973
19.21
81.92
15.31
MAPbI3+FAI (0.100M)
0.985
19.29
80.36
15.26
MAPbI3+CsI (0.025M)
1.010
19.17
82.29
15.93
MAPbI3+CsI (0.050M)
1.037
20.60
83.86
17.92
MAPbI3+CsI (0.075M)
1.036
19.26
82.70
16.50
MAPbI3+CsI (0.100M)
1.011
19.52
81.35
16.04
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Figure S4. J-V characteristics of the (a) control and (b-d) excess organic/inorganic halide incorporating MAPbI3 inverted planar perovskite solar cells with respect to change in light intensity.
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Figure S5. Steady-state photoluminescence (PL) spectra of the control and of the excess organic/inorganic halide incorporated MAPbI3 perovskite films on glass substrate.
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Figure S6. 1/C2 versus applied voltage graph of the control and of the excess organic/inorganic halide incorporated MAPbI3 perovskite devices.
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Figure S7. The J-V curves of inverted (a) MAPbI3 and (b-d) excess organic/inorganic halide incorporated MAPbI3 perovskite devices with respect to forward and reverse scan direction scanned with different delay time (100-500 ms per 0.01 V) under forward and reverse scan direction.
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Figure S8. Steady-state current density and efficiency of (a) MAPbI3 and (b-d) excess organic/inorganic halide incorporated MAPbI3 perovskite devices under continuous light illumination.
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