Issue 20, 2023

Eco-friendly and ultrathin solar cells featuring nanocrystals: advances and perspectives

Abstract

Eco-friendly nanocrystals have attracted worldwide attention in recent years due to the ultrahigh absorption coefficient, broad absorbance range and non-toxic atoms of heavy metals e.g., lead and cadmium. With these benefits, the photovoltaic performance of eco-friendly nanocrystal solar cells (AgBiS2) has reached over 9% and they have great potential for application in the field of nanocrystal solar cells. In this review, we provide an overview of the synthesis, ligand exchange, device structure and stability of eco-friendly solar cells with the aim of advancing commercial applications. Firstly, we discuss the synthesis methods of eco-friendly nanocrystals and highlight the key elements for high-quality nanocrystals. Thereafter, ligand exchange strategies are summarized to further enhance the performance of AgBiS2 solar cells. Subsequently, we focus on device structure and present an in-depth discussion on the photovoltaic stability to balance the performance and stability of AgBiS2 solar cells. Finally, the remaining challenges and our insights are proposed to further advance the development of eco-friendly solar cells based on AgBiS2 nanocrystals.

Graphical abstract: Eco-friendly and ultrathin solar cells featuring nanocrystals: advances and perspectives

Article information

Article type
Review Article
Submitted
02 Apr 2023
Accepted
13 Jun 2023
First published
17 Jun 2023

Mater. Chem. Front., 2023,7, 4693-4706

Eco-friendly and ultrathin solar cells featuring nanocrystals: advances and perspectives

J. Wang, J. Liu, H. Yin, S. Li, V. Kuvondikov and L. Ye, Mater. Chem. Front., 2023, 7, 4693 DOI: 10.1039/D3QM00334E

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