Abstract：
:Since their first appearance, organic-inorganic perovskite absorbers have been capturing the attention of the scientific community. While high efficiency devices highlight the importance of band level alignment, very little is known on the origin of the strong n-doping character observed in the perovskite. Here, by means of a highly accurate photoemission study, we shed light on the energy alignment in perovskite-based devices. Our results suggest that the interaction with the substrate may be the driver for the observed doping in the perovskite samples.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Caputo M,Cefarin N,Radivo A,Demitri N,Gigli L,Plaisier JR,Panighel M,Di Santo G,Moretti S,Giglia A,Polentarutti M,De Angelis F,Mosconi E,Umari P,Tormen M,Goldoni Adoi
10.1038/s41598-019-50108-0subject
Has Abstractpub_date
2019-10-22 00:00:00pages
15159issue
1issn
2045-2322pii
10.1038/s41598-019-50108-0journal_volume
9pub_type
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