Organic Charge Carriers for Perovskite Solar Cells

The photovoltaic field is currently experiencing the “perovskite revolution”. These materials have been known for decades, but only recently have they been applied in solid‐state solar cells to obtain outstanding power conversion efficiencies. Given that the variety of perovskites used so far is lim...

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Bibliographic Details
Published in:ChemSusChem 2015-09, Vol.8 (18), p.3012-3028
Main Authors: Völker, Sebastian F., Collavini, Silvia, Delgado, Juan Luis
Format: Article
Language:English
Subjects:
charge transfer
electron transfer
hole-transport material
perovskite
Photovoltaic cells
solar cells
Solar energy
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Summary:The photovoltaic field is currently experiencing the “perovskite revolution”. These materials have been known for decades, but only recently have they been applied in solid‐state solar cells to obtain outstanding power conversion efficiencies. Given that the variety of perovskites used so far is limited, a lot of attention has been devoted to the development of suitable organic charge‐transport materials to improve device performance. In this article, we will focus on the most promising materials able to transport electrons or holes from a structural point of view. Thereby, we focus on organic materials owing to their ease of preparation and manipulation, and this is nicely combined with the potential tuning of their properties through chemical synthesis. Department of transport: The most promising organic hole‐ and electron‐transport materials (HTMs and ETMs) that have been used in perovskite‐based solar cells (PSCs) are reviewed. These compounds play a significant role in the function principle of PSCs. Rapid transport of holes/electrons and efficient blocking of the other are key requisites to support the excellent properties of the perovskites. ITO=indium tin oxide.
ISSN:1864-5631
1864-564X
DOI:10.1002/cssc.201500742