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Charge Carrier Dynamics in Organometal Halide Perovskite Probed by Time-Resolved Electrical Measurements

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

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  • Carlito Jr. Ponseca

Abstract

This chapter presents the fate of the charge carriers from the moment of its photogeneration in the perovskite to injection and transport into electrodes. Time-resolved electrical measurement techniques, terahertz (THz) spectroscopy and microwave (MW) conductivity, are primarily used to deconvolute ultrafast processes and to directly access behavior of charged species from the ps to µs timescales. Transient absorption and photoluminescence spectroscopy were also utilized to gain insight on carrier population dynamics and radiatively recombining charges. Photogenerated charged species were converted into highly mobile charges (µe = 12.5 cm2V-1s-1 and µh = 7.5 cm2V-1s-1) almost instantaneously (

Suggested Citation

  • Carlito Jr. Ponseca, 2016. "Charge Carrier Dynamics in Organometal Halide Perovskite Probed by Time-Resolved Electrical Measurements," Chapters, in: Likun Pan & Guang Zhu (ed.), Perovskite Materials - Synthesis, Characterisation, Properties, and Applications, IntechOpen.
    • Handle: RePEc:ito:pchaps:98783
    DOI: 10.5772/61631
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    More about this item

    Keywords

    THz spectroscopy; Time-resolved Microwave Conductivity (TRMC); photoconductivity; mobility;
    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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