High photovoltage in perovskite solar cells: New physical insights from the ultrafast transient absorption spectroscopy

M. Ibrahim Dar,Marius Franckevičius,Neha Arora,Kipras Redeckas,Mikas Vengris,Vidmantas Gulbinas,Shaik Mohammed Zakeeruddin,Michael Grätzel

Chemical Physics Letters（2017）

引用 33|浏览23

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摘要

•The critical understanding and the origin of VOC as high as 1.5V is presented.•The charge extraction layers exhibit minimal effect on charge carrier dynamics.•The quasi Fermi level splitting within the absorber layer determines the VOC in PSC.

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关键词

Perovskite solar cells,Photovoltage,Charge carrier dynamics,Transient absorption spectroscopy

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