{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["14(1)"],"submitter":["Wu T"],"funding":["Shanghai Jiao Tong University"],"pubmed_abstract":["Lead-free tin perovskite solar cells (PSCs) have undergone rapid development in recent years and are regarded as a promising eco-friendly photovoltaic technology. However, a strategy to suppress charge recombination via a built-in electric field inside a tin perovskite crystal is still lacking. In the present study, a formamidinium tin iodide (FASnI<sub>3</sub>) perovskite absorber with a vertical Sn<sup>2+</sup> gradient was fabricated using a Lewis base-assisted recrystallization method to enhance the built-in electric field and minimize the bulk recombination loss inside the tin perovskites. Depth-dependent X-ray photoelectron spectroscopy revealed that the Fermi level upshifts with an increase in Sn<sup>2+</sup> content from the bottom to the top in this heterogeneous FASnI<sub>3</sub>"],"journal":["Nano-micro letters"],"pagination":["99"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8993987"],"repository":["biostudies-literature"],"pubmed_title":["Heterogeneous FASnI<sub>3</sub> Absorber with Enhanced Electric Field for High-Performance Lead-Free Perovskite Solar Cells."],"pmcid":["PMC8993987"],"pubmed_authors":["Liu X","Ono LK","Han L","Segawa H","Zhang Y","Qi Y","Wu T","Luo X","Tong G"],"additional_accession":[]},"is_claimable":false,"name":"Heterogeneous FASnI<sub>3</sub> Absorber with Enhanced Electric Field for High-Performance Lead-Free Perovskite Solar Cells.","description":"Lead-free tin perovskite solar cells (PSCs) have undergone rapid development in recent years and are regarded as a promising eco-friendly photovoltaic technology. However, a strategy to suppress charge recombination via a built-in electric field inside a tin perovskite crystal is still lacking. In the present study, a formamidinium tin iodide (FASnI<sub>3</sub>) perovskite absorber with a vertical Sn<sup>2+</sup> gradient was fabricated using a Lewis base-assisted recrystallization method to enhance the built-in electric field and minimize the bulk recombination loss inside the tin perovskites. Depth-dependent X-ray photoelectron spectroscopy revealed that the Fermi level upshifts with an increase in Sn<sup>2+</sup> content from the bottom to the top in this heterogeneous FASnI<sub>3</sub>","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Apr","modification":"2026-07-14T13:03:56.29Z","creation":"2024-10-17T22:05:58.248Z"},"accession":"S-EPMC8993987","cross_references":{"pubmed":["35394568"],"doi":["10.1007/s40820-022-00842-4"]}}