Charge extraction via graded doping of hole transport layers gives highly luminescent and stable metal halide perovskite devices.
Journal
Science advances
ISSN: 2375-2548
Titre abrégé: Sci Adv
Pays: United States
ID NLM: 101653440
Informations de publication
Date de publication:
Feb 2019
Feb 2019
Historique:
received:
23
08
2018
accepted:
27
12
2018
entrez:
23
2
2019
pubmed:
23
2
2019
medline:
23
2
2019
Statut:
epublish
Résumé
One source of instability in perovskite solar cells (PSCs) is interfacial defects, particularly those that exist between the perovskite and the hole transport layer (HTL). We demonstrate that thermally evaporated dopant-free tetracene (120 nm) on top of the perovskite layer, capped with a lithium-doped Spiro-OMeTAD layer (200 nm) and top gold electrode, offers an excellent hole-extracting stack with minimal interfacial defect levels. For a perovskite layer interfaced between these graded HTLs and a mesoporous TiO
Identifiants
pubmed: 30793032
doi: 10.1126/sciadv.aav2012
pii: aav2012
pmc: PMC6377269
doi:
Types de publication
Journal Article
Langues
eng
Pagination
eaav2012Références
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