Numerical Analysis on Thermal-Induced Degradation of n-i-p Structure Perovskite Solar Cells Using SCAPS-1D

Kim,  Seongtak, Bae,  Soohyun, Jeong,  Younghun, Han,  Dong-Woon, Kim,  Donghwan and Mo,  Chan Bin

doi:10.21218/CPR.2022.10.1.016

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2022 Vol.10, Issue 1 Preview Page Next Page

Numerical Analysis on Thermal-Induced Degradation of n-i-p Structure Perovskite Solar Cells Using SCAPS-1D SCAPS-1D 시뮬레이션을 이용한 n-i-p 구조 페로브스카이트 태양전지의 열적 열화 원인 분석

31 March 2022. pp. 16-22

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Abstract

The long-term stability of PSCs against visual and UV light, moisture, electrical bias and high temperature is an important issue for commercialization. In particular, since the operation temperature of solar cell can rise above 85°C, a study on thermal stability is required. In this study, the cause of thermal-induced degradation of PSCs was investigated using the SCAPS-1D simulation tool. First, PSCs of TiO₂/CH₃NH₃PbI₃/Spiro-OMeTAD/Au structure were exposed to a constant temperature of 85°C to observe changes in conversion efficiency and quantum efficiency. Because the EQE reduction above 500 nm was remarkable, we simulated PSCs performance as a function of lifetime, doping density of perovskite and spiro-OMeTAD. Consequently, the main cause of thermal-induced degradation is considered to be the change in the perovskite doping concentration and lifetime due to ion migration of perovskite.

Keywords

SCAPS-1D

Perovskite solar cell

Methyl ammonium lead iodide

Spiro-OMeTAD

Long-term stability

Thermal-induced degradation

Ion migration

Doping density

Lifetime

Recombination velocity

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Information

Publisher :Korea Photovoltaic Society
Publisher(Ko) :한국태양광발전학회
Journal Title :Current Photovoltaic Research
Volume : 10
No :1
Pages :16-22
Received Date :2022. 01. 14
Revised Date :2022. 02. 21
Accepted Date : 2022. 02. 21
DOI :https://doi.org/10.21218/CPR.2022.10.1.016

Current Photovoltaic Research ISSN:2288-3274(Print) 2508-125X(Online)

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