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Energetic Barriers to Interfacial Charge Transfer and Ion Movement in Perovskite Solar Cells
KTH, Skolan för kemivetenskap (CHE), Kemi, Tillämpad fysikalisk kemi.
KTH, Skolan för kemivetenskap (CHE), Kemi, Tillämpad fysikalisk kemi.ORCID-id: 0000-0001-5069-3245
KTH, Skolan för kemivetenskap (CHE), Kemi, Tillämpad fysikalisk kemi.
Vise andre og tillknytning
2017 (engelsk)Inngår i: ChemPhysChem, ISSN 1439-4235, E-ISSN 1439-7641, Vol. 18, nr 21, s. 3047-3055Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Highly efficient perovskite solar cells have been characterized by current-density/voltage measurements in the dark at varied scan rates. The results were compared to the solar cells without a hole-transporting layer to investigate the role of ultrathin hole-transporting layers in solar-cell function. The parameters of internal voltage, diode ideality factor, capacitive current, and capacitance were calculated from the current-density/voltage response of the cells in the dark. The results show that the absence of the hole-transporting layer can cause a large recombination current within the depletion region at the gold contact/perovskite interface, and thus affects the cell performance.

sted, utgiver, år, opplag, sider
WILEY-V C H VERLAG GMBH , 2017. Vol. 18, nr 21, s. 3047-3055
Emneord [en]
capacitance, diode ideality, interfacial charge transfer, ion movement, perovskite solar cells
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Identifikatorer
URN: urn:nbn:se:kth:diva-217936DOI: 10.1002/cphc.201700740ISI: 000414406400013PubMedID: 28840632Scopus ID: 2-s2.0-85030154725OAI: oai:DiVA.org:kth-217936DiVA, id: diva2:1158851
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QC 20171121

Tilgjengelig fra: 2017-11-21 Laget: 2017-11-21 Sist oppdatert: 2018-10-22bibliografisk kontrollert

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Liu, PengSafdari, MajidGardner, James M.

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Sadollahkhani, AzarLiu, PengLeandri, ValentinaSafdari, MajidZhang, WeiGardner, James M.
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