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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1 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/FA 0.9 MA 0.1 PbI 2.7 Br 0.3 , ITO/PTAA/FA 0.9 MA 0.1 PbI 2.7 Br 0.3 /C60, and ITO/PTAA/FA 0.9 MA 0.1 PbI 2.7 Br 0.3 /C60/ZnSe(3nm). 400 500 600 700 800 900 1000 1100 0 1 2 3 4 Wavelength (nm) Absorbance (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) Photoluminescence Electronic Supplementary Material (ESI) for Journal of Materials Chemistry A. This journal is © The Royal Society of Chemistry 2018

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).

400 500 600 700 800 900 1000 11000

1

2

3

4

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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1200 1000 800 600 400 200 0

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