Electron Transport Layers in Perovskite Solar Cells

Fatemeh Jafari, Mehrad Ahmadpour, Um Kanta Aryal, Mariam Ahmad, Michela Prete, Naeimeh Torabi, Vida Turkovic, Horst-Gunter Rubahn, Abbas Behjat, Morten Madsen

Publikation: Kapitel i bog/rapport/konference-proceedingKapitel i bogForskningpeer review

Abstrakt

In recent years, the power conversion efficiency of perovskite solar cells has increased substantially, reaching today's values of above 25%. This has also placed an increased focus on device stability, which still limits commercial use. Electron transport layers (ETL) are critical for both factors in perovskite solar cells and have received much attention since the research focus boomed for this technology. In this chapter, requirements on ideal ETL are first provided, including electronic and photonic properties, energy band alignment, morphology, defect states, and chemical stability. Different metal oxide and organic electron transport materials used for perovskite solar cells are reviewed, focusing on optimizing ETL using various doping strategies to improve the cells' efficiency. Finally, the progress made on electron transport materials used in mesoscopic perovskite solar cells, as well as normal (n–i–p) and inverted (p–i–n) planar perovskite solar cells is briefly discussed, highlighting device architecture considerations. This chapter reviews the ETL used in perovskite solar cells, emphasizing the considerations needed when embedding such layers inside perovskite solar cells.
OriginalsprogEngelsk
TitelPerovskite Solar Cells : Materials, Processes, and Devices
RedaktørerMichael Grätzel, Shahzada Ahmad, Samrana Kazim
ForlagWiley-VCH
Publikationsdato2022
Sider311-331
Kapitel9
ISBN (Trykt)9783527347155
ISBN (Elektronisk)9783527825790
DOI
StatusUdgivet - 2022

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