Structural, optical and excitonic properties of MAxCs1-xPb(IxBr1-x)3 alloy thin films and their application in solar cells

Sheng Hsiung Chang; Pin Chia Tseng; Shou En Chiang; Jia Ren Wu; Yan Ta Chen; Ching Ju Chen; Chi Tsu Yuan; Sheng Hui Chen

doi:10.1016/j.solmat.2020.110478

Structural, optical and excitonic properties of MA_xCs_1-xPb(I_xBr_1-x)₃ alloy thin films and their application in solar cells

Sheng Hsiung Chang, Pin Chia Tseng, Shou En Chiang, Jia Ren Wu, Yan Ta Chen, Ching Ju Chen, Chi Tsu Yuan, Sheng Hui Chen

Department of Optics and Photonics

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Abstract

The structural, optical and excitonic characteristics of MA_xCs_1-xPb(I_xBr_1-x)₃ crystal thin films were investigated by using the X-ray diffraction patterns, scanning electron microscopic images, absorbance spectra and photoluminescence (PL) spectra. The time-dependent PL spectra shows that the MA_0.8Cs_0.2Pb(I_0.8Br_0.2)₃ crystal thin film is a photo-stable light absorbing material, which results in an efficient and stable perovskite solar cell without the additional encapsulation. The highest power conversion efficiency (PCE) of MA_0.8Cs_0.2Pb(I_0.8Br_0.2)₃ solar cells is 10.02%. In addition, the PCE decreases slowly toward a stable value (5.71%) for more than 120 days under moderate environment conditions (55–60 RH%).

Original language	English
Article number	110478
Journal	Solar Energy Materials and Solar Cells
Volume	210
DOIs	https://doi.org/10.1016/j.solmat.2020.110478
State	Published - 15 Jun 2020

Keywords

MACsPb(IBr)
Stable perovskite solar cells
Time-dependent photoluminescence

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1016/j.solmat.2020.110478

Cite this

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title = "Structural, optical and excitonic properties of MAxCs1-xPb(IxBr1-x)3 alloy thin films and their application in solar cells",

abstract = "The structural, optical and excitonic characteristics of MAxCs1-xPb(IxBr1-x)3 crystal thin films were investigated by using the X-ray diffraction patterns, scanning electron microscopic images, absorbance spectra and photoluminescence (PL) spectra. The time-dependent PL spectra shows that the MA0.8Cs0.2Pb(I0.8Br0.2)3 crystal thin film is a photo-stable light absorbing material, which results in an efficient and stable perovskite solar cell without the additional encapsulation. The highest power conversion efficiency (PCE) of MA0.8Cs0.2Pb(I0.8Br0.2)3 solar cells is 10.02%. In addition, the PCE decreases slowly toward a stable value (5.71%) for more than 120 days under moderate environment conditions (55–60 RH%).",

keywords = "MACsPb(IBr), Stable perovskite solar cells, Time-dependent photoluminescence",

author = "Chang, {Sheng Hsiung} and Tseng, {Pin Chia} and Chiang, {Shou En} and Wu, {Jia Ren} and Chen, {Yan Ta} and Chen, {Ching Ju} and Yuan, {Chi Tsu} and Chen, {Sheng Hui}",

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doi = "10.1016/j.solmat.2020.110478",

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T1 - Structural, optical and excitonic properties of MAxCs1-xPb(IxBr1-x)3 alloy thin films and their application in solar cells

AU - Chang, Sheng Hsiung

AU - Tseng, Pin Chia

AU - Chiang, Shou En

AU - Wu, Jia Ren

AU - Chen, Yan Ta

AU - Chen, Ching Ju

AU - Yuan, Chi Tsu

AU - Chen, Sheng Hui

PY - 2020/6/15

Y1 - 2020/6/15

N2 - The structural, optical and excitonic characteristics of MAxCs1-xPb(IxBr1-x)3 crystal thin films were investigated by using the X-ray diffraction patterns, scanning electron microscopic images, absorbance spectra and photoluminescence (PL) spectra. The time-dependent PL spectra shows that the MA0.8Cs0.2Pb(I0.8Br0.2)3 crystal thin film is a photo-stable light absorbing material, which results in an efficient and stable perovskite solar cell without the additional encapsulation. The highest power conversion efficiency (PCE) of MA0.8Cs0.2Pb(I0.8Br0.2)3 solar cells is 10.02%. In addition, the PCE decreases slowly toward a stable value (5.71%) for more than 120 days under moderate environment conditions (55–60 RH%).

AB - The structural, optical and excitonic characteristics of MAxCs1-xPb(IxBr1-x)3 crystal thin films were investigated by using the X-ray diffraction patterns, scanning electron microscopic images, absorbance spectra and photoluminescence (PL) spectra. The time-dependent PL spectra shows that the MA0.8Cs0.2Pb(I0.8Br0.2)3 crystal thin film is a photo-stable light absorbing material, which results in an efficient and stable perovskite solar cell without the additional encapsulation. The highest power conversion efficiency (PCE) of MA0.8Cs0.2Pb(I0.8Br0.2)3 solar cells is 10.02%. In addition, the PCE decreases slowly toward a stable value (5.71%) for more than 120 days under moderate environment conditions (55–60 RH%).

KW - MACsPb(IBr)

KW - Stable perovskite solar cells

KW - Time-dependent photoluminescence

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DO - 10.1016/j.solmat.2020.110478

M3 - 期刊論文

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SN - 0927-0248

VL - 210

JO - Solar Energy Materials and Solar Cells

JF - Solar Energy Materials and Solar Cells

M1 - 110478

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