Fig. 1: Asynchronous Cross-linking Illustration and Divinyl Sulfone Characteristic. | Nature Communications

Fig. 1: Asynchronous Cross-linking Illustration and Divinyl Sulfone Characteristic.

From: Highly stable perovskite solar cells with 0.30 voltage deficit enabled by a multi-functional asynchronous cross-linking

Fig. 1

a Schematic illustration of intermediate-dominated perovskite crystallization by pre-embedded DVS and all-around co-polymerization protection through the post-treatment of gly. b Linear fitting of 23Na NMR chemical shift and DN of the selected organic solvents to calculate the DN of DVS. c 1H NMR spectra of FAI, DVS, and FAI/DVS into DMSO-d6 solution, respectively. d DFT calculation of adsorption energy of FA+ with different solvents.

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