Fig. 8
From: Recent progress of eco-friendly manufacturing process of efficient perovskite solar cells
a Gas-mediated solid-liquid conversion process and D-bar coating of the solution. Reprinted with permission from [63], Copyright 2019, American Chemical Society. b The crystallization process of perovskite precursor solution employing ACN and 2-ME as the solvent and its rapid blading method. Reprinted with permission from [17], Copyright 2019, The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. c Fabrication of perovskite films with 2-ME and CHP mixed solution. Reprinted with permission from [39], Copyright 2021, Elsevier Inc. d The role of NMP in precursor solution. Reprinted with permission from [38], Copyright 2022, American Chemical Society. e The addition of RNH3Cl, enabling the formation of a soluble PbI2-HCl complex. Reprinted with permission from [37], Copyright 2022, The Author(s), under exclusive license to Springer Nature Limited. f Effect of MABr, releasing residual lattice strain to stabilize the crystal structure. Device structure with green solvents used for each layer. Reprinted with permission from [64], Copyright 2021, Royal Society of Chemistry