The versatility of polymers in perovskite solar cells

Ghaderian, Abolfazl; Heiran, Roghayeh; Kazim, Samrana; Ahmad, Shahzada

doi:10.1039/d2tc02807g

Cited by 5 publications

(1 citation statement)

References 108 publications

(306 reference statements)

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“…Molecular structures of small molecules or polymers have their specific effect on the performances of PSCs when used as additives or in the contacts of the perovskite layer [29][30][31]. However, tedious experimental synthesis and reproducibility remained a question mark for these organic materials.…”

Section: Resultsmentioning

confidence: 99%

A Functional Biological Molecule Restores the PbI2 Residue-Induced Defects in Two-Step Fabricated Perovskites

Huang,

Yu,

Khan

et al. 2023

Molecules

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Coating the perovskite layer via a two-step method is an adaptable solution for industries compared to the anti-solvent process. But what about the impact of unreacted PbI2? Usually, it is generated during perovskite conversion in a two-step method and considered beneficial within the grain boundaries, while also being accused of enhancing the interface defects and nonradiative recombination. Several additives are mixed in PbI2 precursors for the purpose of improving the perovskite crystallinity and hindering the Pb2+ defects. Herein, in lieu of adding additives to the PbI2, the effects of the PbI2 residue via the electron transport layer/perovskite interface modification are explored. Consequently, by introducing artemisinin decorated with hydrophobic alkyl units and a ketone group, it reduces the residual PbI2 and improves the perovskites’ crystallinity by coordinating with Pb2+. In addition, artemisinin-deposited perovskite enhances both the stability and efficiency of perovskite solar cells by suppressing nonradiative recombination

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Section: Resultsmentioning

confidence: 99%