Advances in Metal Halide Perovskite Film Preparation: The Role of Anti‐Solvent Treatment

Abstract

In the past decade, hybrid organic‐inorganic perovskite solar cells (PSCs) have attracted significant attention. Since then, the power conversion efficiency has astonishingly reached to 25.5%, situating perovskites at the forefront of all reported solution‐processed photovoltaic materials. The research of PSCs has reached a stage where efficiency, stability, and cost need to be simultaneously considered before reaching the threshold for large‐scale commercialization. In this article, the recent progress in fabricating high‐quality perovskite thin‐films adopting “anti‐solvent” strategy is reviewed and the established nucleation and crystal growth mechanisms during the treatment process is discussed. In addition, present challenges and further opportunities of the anti‐solvent methodology toward efficient and large‐scale PSCs are highlighted. The continuous efforts dedicated to the development of anti‐solvent treatment for fabricating high‐performance large‐area devices may pave the way toward commercial applications of PSCs in the near future.

Indigo: A Natural Molecular Passivator for Efficient Perovskite Solar Cells

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Benefiting from these unique properties, the power conversion efficiency (PCE) of perovskite solar cells (PSCs) has rapidly increased from initial ≈3% to now 25.5%, [7][8][9] situating it at the forefront of the third-generation solar cells. [10,11] Unfortunately, these ionic hybrid perovskite materials are extremely sensitive to light, [12,13] heat, [14] and moisture, [15] resulting in unstable crystal structures. During the past decade, numerous passivating methods have been developed to enhance both efficiency and long-term stability of hybrid PSCs.

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Solar Energy Materials-Evolution and Niche Applications: A Literature Review

“…TiO 2 nanomaterial exhibits superior textural properties such as high surface area (a large number of contact sides to promote the adsorption of dye molecules), and optimum electron transfer. It has been reported elsewhere that commercial TiO 2 exhibits a band gap of 3.0–3.2 eV 9 [ 89 ]…”

Monolithic Perovskite-Carrier Selective Contact Silicon Tandem Solar Cells Using Molybdenum Oxide as a Hole Selective Layer

“…Then, a compact SnO 2 layer was deposited by a solution process using a spin coater, and the spin-coated film was annealed at 160 • C for 30 min. The perovskite precursor solution was spin-coated onto the SnO 2 layer while anhydrous diethyl ether, to treat the layer during the anti-solvent process [34], was slowly dripped on top of the substrate. Subsequently, the film was annealed at 100 • C for 10 min to obtain a dense CH 3 NH 3 PbI 3 film.…”