Segregation-free bromine-doped perovskite solar cells for IoT applications

Itaru Raifuku, Yasuaki Ishikawa, Yu Hsien Chiang, Pei Ying Lin, Ming Hsien Li, Yukiharu Uraoka, Peter Chen

Research output: Contribution to journalArticle

Abstract

Perovskite solar cells have attracted much attention as next-generation solar cells because of their high efficiency and low fabrication costs. Moreover, perovskite solar cells are a promising candidate for indoor energy harvesting. We investigated the effect of bandgap tuning on the characteristics of triple cation-based perovskite solar cells under fluorescent lamp illumination. According to the current density-voltage curves, perovskite solar cells with a wider bandgap than the conventional one exhibited improved open-circuit voltage without sacrificing short-circuit current density under fluorescent lamp illumination. Moreover, the wider bandgap perovskite films including a large amount of bromine in the composition did not show phase segregation, which can degrade the photovoltaic performance of perovskite solar cells, after fluorescent lamp illumination. Our results demonstrate the facile strategy to improve the performance of perovskite solar cells under ambient lighting and great potential of perovskite solar cells for indoor applications such as power sources for the internet of things.

Original languageEnglish
Pages (from-to)32833-32838
Number of pages6
JournalRSC Advances
Volume9
Issue number56
DOIs
Publication statusPublished - 2019 Jan 1

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Bromine
Fluorescent lamps
Lighting
Energy gap
Current density
Energy harvesting
Open circuit voltage
Perovskite solar cells
Internet of things
Short circuit currents
Perovskite
Cations
Solar cells
Tuning
Positive ions
Fabrication
Electric potential
Chemical analysis

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Raifuku, Itaru ; Ishikawa, Yasuaki ; Chiang, Yu Hsien ; Lin, Pei Ying ; Li, Ming Hsien ; Uraoka, Yukiharu ; Chen, Peter. / Segregation-free bromine-doped perovskite solar cells for IoT applications. In: RSC Advances. 2019 ; Vol. 9, No. 56. pp. 32833-32838.
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Segregation-free bromine-doped perovskite solar cells for IoT applications. / Raifuku, Itaru; Ishikawa, Yasuaki; Chiang, Yu Hsien; Lin, Pei Ying; Li, Ming Hsien; Uraoka, Yukiharu; Chen, Peter.

In: RSC Advances, Vol. 9, No. 56, 01.01.2019, p. 32833-32838.

Research output: Contribution to journalArticle

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