Inorganic cufeo2 delafossite nanoparticles as effective hole transport materials for highly efficient and long-term stable perovskite solar cells

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dc.authorid0000-0002-6011-3504en_US
dc.contributor.authorAkın, Seçkin
dc.contributor.authorSadegh, Faranak
dc.contributor.authorTuran, Servet
dc.contributor.authorSönmezoğlu, Savaş
dc.date.accessioned2019-12-31T06:46:23Z
dc.date.available2019-12-31T06:46:23Z
dc.date.issued2019en_US
dc.departmentKMÜ, Mühendislik Fakültesi, Metalurji ve Malzeme Mühendisliği Bölümüen_US
dc.descriptionWOS:000501620700023en_US
dc.description.abstractThe regular architecture (n-i-p) of perovskite solar cells (PSCs) has attracted increasing interest in the renewable energy field, owing to high certified efficiencies in the recent years. However, there are still serious obstacles of PSCs associated with spiro-OMeTAD hole transport material (HTM), such as (i) prohibitively expensive material cost (∼150−500 $/g) and (ii) operational instability at elevated temperatures and high humidity levels. Herein, we have reported the highly photo, thermal, and moisture-stable and cost-effective PSCs employing inorganic CuFeO2 delafossite nanoparticles as a HTM layer, for the first time. By exhibiting superior hole mobility and additive-free nature, the best-performing cell achieved a power conversion efficiency (PCE) of 15.6% with a negligible hysteresis. Despite exhibiting a lower PCE as compared to the spiroOMeTAD-based control cell (19.1%), nonencapsulated CuFeO2-based cells maintained above 85% of their initial efficiency, while the PCE of control cells dropped to ∼10% under continuous illumination at maximum power point tracking after 1000 h. More importantly, the performance of control cells was quickly degraded at above 70 °C, whereas CuFeO2-based cells, retaining ∼80% of their initial efficiency after 200 h, were highly stable even at 85 °C in ambient air under dark conditions. Besides showing significant improvement in stability against light soaking and thermal stress, CuFeO2-based cells exhibited superior shelf stability even at 80 ± 5% relative humidity and retained over 90% of their initial PCE. Overall, we strongly believe that this study highlights the potential of inorganic HTMs for the commercial deployment of long-term stable and low-cost PSCs.en_US
dc.identifier.citationAkin, S., Sadegh, F., Turan, S., & Sonmezoglu, S. ( 2019). Inorganic cufeo2 delafossite nanoparticles as effective hole transport materials for highly efficient and long-term stable perovskite solar cells. Acs Applied Materials & Interfaces, 11, 48, 45142-45149.en_US
dc.identifier.doi10.1021/acsami.9b14740
dc.identifier.endpage45149en_US
dc.identifier.issn1944-8244
dc.identifier.issn1944-8252
dc.identifier.issue48en_US
dc.identifier.pmid31701749
dc.identifier.scopus2-s2.0-85075664754
dc.identifier.scopusqualityQ1
dc.identifier.startpage45142en_US
dc.identifier.urihttps://doi.org/10.1021/acsami.9b14740
dc.identifier.urihttps://hdl.handle.net/11492/3261
dc.identifier.volume11en_US
dc.identifier.wosWOS:000501620700023
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Sceince
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorSönmezoğlu, Savaş
dc.language.isoen
dc.publisherAmerican Chemical Societyen_US
dc.relation.journalACS Applied Materials and Interfacesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPerovskite Solar Cellen_US
dc.subjectInorganic Hole Transport Materialen_US
dc.subjectCufeo2 Delafossite Nanoparticlesen_US
dc.subjectOperational Stabilityen_US
dc.subjectThermal And Moisture Stabilitiesen_US
dc.titleInorganic cufeo2 delafossite nanoparticles as effective hole transport materials for highly efficient and long-term stable perovskite solar cellsen_US
dc.typeArticle

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