TY - CHAP
T1 - Electron Transport Layers in Perovskite Solar Cells
AU - Jafari, Fatemeh
AU - Ahmadpour, Mehrad
AU - Aryal, Um Kanta
AU - Ahmad, Mariam
AU - Prete, Michela
AU - Torabi, Naeimeh
AU - Engmann, Vida
AU - Rubahn, Horst-Gunter
AU - Behjat, Abbas
AU - Madsen, Morten
PY - 2021/1/1
Y1 - 2021/1/1
N2 - 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.
AB - 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.
KW - electron transport layers
KW - metal oxide interlayers
KW - organic interlayers
KW - perovskite device architectures
KW - perovskite solar cells
U2 - 10.1002/9783527825790.ch9
DO - 10.1002/9783527825790.ch9
M3 - Book chapter
SN - 9783527347155
SP - 311
EP - 329
BT - Perovskite Solar Cells
A2 - Grätzel, Michael
A2 - Ahmad, Shahzada
A2 - Kazim, Samrana
PB - Wiley-VCH
ER -