Issue 1, 2022

Printing fabrication of large-area non-fullerene organic solar cells

Abstract

Organic solar cells (OSCs) based on a bulk heterojunction structure exhibit inherent advantages, such as low cost, light weight, mechanical flexibility, and easy processing, and they are emerging as a potential renewable energy technology. However, most studies are focused on lab-scale, small-area (<1 cm2) devices. Large-area (>1 cm2) OSCs still exhibit considerable efficiency loss during upscaling from small-area to large-area, which is a big challenge. In recent years, along with the rapid development of high-performance non-fullerene acceptors, many researchers have focused on developing large-area non-fullerene-based devices and modules. There are three essential issues in upscaling OSCs from small-area to large-area: fabrication technology, equipment development, and device component processing strategy. In this review, the challenges and solutions in fabricating high-performance large-area OSCs are discussed in terms of the abovementioned three aspects. In addition, the recent progress of large-area OSCs based on non-fullerene electron acceptors is summarized.

Graphical abstract: Printing fabrication of large-area non-fullerene organic solar cells

Article information

Article type
Review Article
Submitted
16 Aug. 2021
Accepted
29 Sept. 2021
First published
29 Sept. 2021

Mater. Horiz., 2022,9, 194-219

Printing fabrication of large-area non-fullerene organic solar cells

P. Xue, P. Cheng, R. P. S. Han and X. Zhan, Mater. Horiz., 2022, 9, 194 DOI: 10.1039/D1MH01317C

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