Issue 36, 2020

Interfacial modification towards highly efficient and stable perovskite solar cells

Abstract

Organic–inorganic perovskite solar cells (PSCs) have attracted tremendous attention due to their high absorption coefficient, high carrier mobility, long diffusion length, and tunable direct bandgap, and their excellent efficiency was boosted to a certified 25.2% efficiency in 2019. However, due to the presence of a high-density of charge traps in perovskite films, plenty of charge recombination occurs at grain boundaries and defects caused by precursor compositions, the process of preparation and crystal growth, thereby restricting the power conversion efficiency (PCE). At present, interfacial modifications by using additives play an important role in various breakthroughs of PSCs. Herein, the effects of various additives with the main types of functional groups, length and spatial configuration of molecules on interfacial modifications in PSCs are reviewed, and their influences on perovskite crystallization and film formation, defect passivation in the bulk and/or at the surface, stabilities of PSCs, and adjusting the interface of structures and energy levels for device performances are also described and summarized. Finally, an outlook of interfacial modifications is provided on the selection and design of efficient additives with respect to the fabrication and development of highly efficient and stable PSCs.

Graphical abstract: Interfacial modification towards highly efficient and stable perovskite solar cells

Article information

Article type
Minireview
Submitted
09 7月 2020
Accepted
09 8月 2020
First published
10 8月 2020

Nanoscale, 2020,12, 18563-18575

Interfacial modification towards highly efficient and stable perovskite solar cells

Y. Wang, Z. Zhang, M. Tao, Y. Lan, M. Li, Y. Tian and Y. Song, Nanoscale, 2020, 12, 18563 DOI: 10.1039/D0NR05136E

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements