Double-layered ZnO nanostructures for efficient perovskite solar cells

K. Mahmood, B.S. Swain and A. Amassian
Nanoscale, 6, 14674-14678, (2014)

Double-layered ZnO nanostructures for efficient perovskite solar cells

Keywords

Double-layer ZnO

Abstract

​To date, a single layer of TiO2 or ZnO has been the most successful implementations of any electron transport layer (ETL) in solution-processed perovskite solar cells. In a quest to improve the ETL, we explore a new nanostructured double-layer ZnO film for mesoscopic perovskite-based thin film photovoltaics. This approach yields a maximum power conversion efficiency of 10.35%, which we attribute to the morphology of oxide layer and to faster electron transport. The successful implementation of the low-temperature hydrothermally processed double-layer ZnO film as ETL in perovskite solar cells highlights the opportunities to further improve the efficiencies by focusing on the ETL in this rapidly developing field.

Code

DOI: 10.1039/C4NR04383A

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