A Study on Improving the Properties of Wide Bandgap Perovskite Through Triple Halide Composition

Chan Su Moon; Nam Joong Jeon

doi:10.7836/kses.2022.42.5.045

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2022 Vol.42, Issue 5 Preview Page Next Page

A Study on Improving the Properties of Wide Bandgap Perovskite Through Triple Halide Composition 삼중 할라이드(triple halide) 조성을 통한 와이드 밴드갭 페로브스카이트 특성 향상 연구

30 October 2022. pp. 45-52

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Abstract

The bandgap of halide perovskite materials can be easily adjusted through compositional variation. Perovskite solar cells (PSCs) have attracted attention as promising materials for tandem solar cells because of their tunable bandgaps. Nevertheless, the photoinduced halide segregation phenomenon, which is related to photostability and device performance, remains a problem. Herein, we confirmed that the perovskite composition was controlled by the triple halide composition through the addition of lead chloride (PbCl₂). The triple halide composition not only controlled the perovskite bandgap but also suppressed the photoinduced halide segregation in the perovskite film. In addition, the device performance was improved by the enhanced crystallinity of the perovskite thin film with the triple halide composition.

Keywords

wide bandgap perovskite

triple halide composition

halide phase segregation

tandem solar cells

키워드

와이드 밴드갭 페로브스카이트

삼중 할라이드 조성

할라이드 상 분리

탠덤태양전지

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Information

Publisher :Korean Solar Energy Society
Publisher(Ko) :한국태양에너지학회
Journal Title :Journal of the Korean Solar Energy Society
Journal Title(Ko) :한국태양에너지학회 논문집
Volume : 42
No :5
Pages :45-52
Received Date : 2022-10-11
Accepted Date : 2022-10-11
DOI :https://doi.org/10.7836/kses.2022.42.5.045

Journal of the Korean Solar Energy Society ISSN:1598-6411(Print) 2508-3562(Online) 한국태양에너지학회 논문집

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