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Optical Absorption, Charge Separation and Recombination Dynamics in Pb and Sn/Pb Cocktail Perovskite Solar Cells and Their Relationships to the Photovoltaic Properties

In: Perovskite Materials - Synthesis, Characterisation, Properties, and Applications

Author

Listed:
  • Qing Shen
  • Yuhei Ogomi
  • Taro Toyoda
  • Kenji Yoshino
  • Shuzi Hayase

Abstract

Due to the unique characteristics such as simple low-temperature preparation method and high efficiency with a record of over 20%, organometal trihalide perovskite (CH3NH3PbI3)-based solid-state hybrid solar cells have attracted an increasing interest since 2012 when it was reported. During the last several years, some of the fundamental photophysical properties of perovskite related to the high photovoltaic performance have been investigated. Optical absorption, charge separation and recombination are very important factors influencing the perovskite solar cell performance. In this chapter, our recent results of optical absorption, charge separation (electron and hole injection) and charge recombination dynamics at each interface in perovskite solar cells, and their relationships to photovoltaic properties will be introduced. Our results suggest that charge recombination is a key factor in improving the performance of the perovskite solar cells.

Suggested Citation

  • Qing Shen & Yuhei Ogomi & Taro Toyoda & Kenji Yoshino & Shuzi Hayase, 2016. "Optical Absorption, Charge Separation and Recombination Dynamics in Pb and Sn/Pb Cocktail Perovskite Solar Cells and Their Relationships to the Photovoltaic Properties," Chapters, in: Likun Pan & Guang Zhu (ed.), Perovskite Materials - Synthesis, Characterisation, Properties, and Applications, IntechOpen.
    • Handle: RePEc:ito:pchaps:98869
    DOI: 10.5772/62101
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    More about this item

    Keywords

    Urbach energy; charge separation; charge recombination; optical absorption; Sn/Pb cocktail perovskite; perovskite;
    All these keywords.

    JEL classification:

    • Q20 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - General
    • Q40 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - General

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