Recent Progress and Challenges of Electron Transport Layers in Organic–Inorganic Perovskite Solar Cells

Taewan Kim, Jongchul Lim and Seulki Song
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Taewan Kim: Department of Energy Science and Center for Artificial Atoms, Sungkyunkwan University, Suwon 16419, Korea
Jongchul Lim: Graduate School of Energy Science and Technology, Chungnam National University, Daejeon 34134, Korea
Seulki Song: Division of Advanced Materials, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Korea

Energies, 2020, vol. 13, issue 21, 1-16

Abstract: Organic–inorganic perovskites are crystalline light absorbers which are gaining great attraction from the photovoltaic community. Surprisingly, the power conversion efficiencies of these perovskite solar cells have rapidly increased by over 25% in 2019, which is comparable to silicon solar cells. Despite the many advances in efficiency, there are still many areas to be improved to increase the efficiency and stability of commercialization. For commercialization and enhancement of applicability, the development of electron transport layer (ETL) and its interface for low temperature processes and efficient charge transfer are very important. In particular, understanding the ETL and its interface is of utmost importance, and when this understanding has been made enough, excellent research results have been published that can improve the efficiency and stability of the device. Here, we review the progress of perovskite solar cells. Especially we discuss recent important development of perovskite deposition method and its engineering as well as the electron transport layer.

Keywords: perovskite; electron transport layers; interface engineering; solar cells (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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