Issue 48, 2021

Naphthalene diimide-based electron transport materials for perovskite solar cells

Abstract

The development of perovskite solar cells (PSCs) as an efficient and cost-effective alternative to traditional approaches to solar energy transduction has received much recent attention, and there has been considerable progress made with reported power conversion efficiencies now surpassing 25%. This development is encouraging and is a result of intensive research on device design, factors affecting long-term stability of PSCs, and systematic material development in which electron transport layer (ETL) materials play a crucial role to afford high-performance PSC devices. ETL materials, including (6-(1,10-phenanthrolin-3-yl)naphthalen-2-yl)diphenylphosphine oxide (Phen-NaDPO), and n-type materials based on the naphthalene diimide (NDI) structure, appear to be amongst the most promising materials to date. This article provides an up-to-date review on organic n-type ETL materials, both polymeric and small molecules, based on NDI format, detailing reports of structures with key relevant parameters, such as the efficiency and stability of PSCs. The review is written from a perspective of organic chemistry and we believe this will provide fundamental advice on the future design of new ETL materials based on NDIs that will afford more efficient and stable PSCs.

Graphical abstract: Naphthalene diimide-based electron transport materials for perovskite solar cells

Article information

Article type
Review Article
Submitted
29 sep. 2021
Accepted
05 nóv. 2021
First published
08 nóv. 2021
This article is Open Access
Creative Commons BY license

J. Mater. Chem. A, 2021,9, 27170-27192

Naphthalene diimide-based electron transport materials for perovskite solar cells

M. A. Jameel, T. C. Yang, G. J. Wilson, R. A. Evans, A. Gupta and S. J. Langford, J. Mater. Chem. A, 2021, 9, 27170 DOI: 10.1039/D1TA08424K

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