I T O / P T A A / P e r o v s k i t e / C 6 0 / Z n S e ... · 2 1 2 0 0 1 0 0 0 8 0 0 6 0 0 4 0 0...
Transcript of I T O / P T A A / P e r o v s k i t e / C 6 0 / Z n S e ... · 2 1 2 0 0 1 0 0 0 8 0 0 6 0 0 4 0 0...
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Electronic Supporting Information:
Highly Efficient and Stable Inverted Perovskite Solar calls with Two-
dimensional ZnSe Deposited by Thermal Evaporator for Electron
Collection
Muhammad Imran, Hikmet Coşkun, Furkan H. Isikgor, Li Bichen, Nawazish A. Khan and
Jianyong Ouyang*
Figure S1. UV-vis-NIR absorption and photoluminescent spectra of ITO/PTAA/FA0.9MA0.1PbI2.7Br0.3,
ITO/PTAA/FA0.9MA0.1PbI2.7Br0.3/C60, and ITO/PTAA/FA0.9MA0.1PbI2.7Br0.3/C60/ZnSe(3nm).
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Wavelength (nm)
Abso
rban
ce (a
. u.)
ITO/PTAA/Perovskite (Abs) ITO/PTAA/Perovskite/C60 (Abs) ITO/PTAA/Perovskite/C60/ZnSe (Abs) ITO/PTAA/Perovskite (PL) ITO/PTAA/Perovskite/C60 (PL) ITO/PTAA/Perovskite/C60/ZnSe (PL)
Phot
olum
ines
cenc
e
Electronic Supplementary Material (ESI) for Journal of Materials Chemistry A.This journal is © The Royal Society of Chemistry 2018
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Se 3
p
C 1s
Zn L
MM
Ag 3
d
Se 3
dZn
3p
Zn 3
s
Zn 2
p
CPS
Binding Energy (eV)
Glass/ZnSe ITO/PTAA/Perovskite/C60/ZnSe Glass/Ag/ZnSe
Zn 2
s
Figure S2. XPS spectra of ZnSe on glass, C60, and Ag.
Figure S3. SEM mapping of ZnSe film on top of perovskite/C60.
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0.2
0.4
0.6
0.8
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Sample A1 τ1 (ns) A2 τ2 (ns)
Glass/Perovskite 0.33 654.87 0.33 654.87
Glass/PTAA/Perovskite 0.49 167.36 1.16 20.44
Glass/NiOx/Perovskite 0.47 84.52 2.27 13.18
Glass/Perovskite Glass/PTAA/Perovskite Glass/NiOx/Perovskite
Norm
alize
d (a
.u.)
Time (ns)
Figure S4. Time resolved PL of glass/FA0.9MA0.1PbI2.7Br0.3, PTAA/FA0.9MA0.1PbI2.7Br0.3 and NiOx/ FA0.9MA0.1PbI2.7Br0.3.
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Table S1. Parameters of fitting the TR-PL decay curves of samples, glass/FA0.9MA0.1PbI2.7Br0.3, PTAA/ FA0.9MA0.1PbI2.7Br0.3 and NiOx/FA0.9MA0.1PbI2.7Br0.3.
Sample A1 τ1 (ns) A2 τ2 (ns) LD (nm),
h+
µ (cm2 V-1 s-1),
h+
Glass/FA0.9MA0.1PbI2.7Br0.3 0.33 654.87 0.33 654.87
Glass/PTAA/FA0.9MA0.1PbI2.7Br0.3 0.47 84.52 2.27 13.18 920.08 0.05
Glass/NiOx/FA0.9MA0.1PbI2.7Br0.3 0.49 167.36 1.16 20.44 638.48 0.02