Issue 13, 2023

Magic guanidinium cations in perovskite solar cells: from bulk to interface

Abstract

Guanidinium (GA+) has been proven as the multifunctional cation in halide perovskite solar cells (PSCs), attracting considerable attention due to its improved power conversion efficiencies (PCE) and operational stability. This review introduces the elementary properties of the GA cation and GA-based perovskite. Then, we summarize the development history of utilizing guanidinium materials in PSCs, including composition engineering, additive engineering, and interface engineering, accompanied by their optimization mechanisms. Moreover, we propose a perspective on the potential opportunities in this popular field and challenges to the future design of guanidinium-based PSCs with enhanced performance.

Graphical abstract: Magic guanidinium cations in perovskite solar cells: from bulk to interface

Article information

Article type
Review Article
Submitted
17 Dec 2022
Accepted
06 Mar 2023
First published
06 Mar 2023

Mater. Chem. Front., 2023,7, 2507-2527

Magic guanidinium cations in perovskite solar cells: from bulk to interface

P. Wu, D. Li, S. Wang and F. Zhang, Mater. Chem. Front., 2023, 7, 2507 DOI: 10.1039/D2QM01315K

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