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Toward an alternati...
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Svanström, SebastianUppsala universitet,Molekyl- och kondenserade materiens fysik
(författare)
Toward an alternative approach for the preparation of low-temperature titanium dioxide blocking underlayers for perovskite solar cells
- Artikel/kapitelEngelska2019
Förlag, utgivningsår, omfång ...
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2019
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Royal Society of Chemistry,2019
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:kth-252234
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-252234URI
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https://doi.org/10.1039/c8ta04246bDOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-390040URI
Kompletterande språkuppgifter
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Språk:engelska
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Sammanfattning på:engelska
Ingår i deldatabas
Klassifikation
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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QC 20190612
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The anodic electrodeposition method is investigated as an alternative technique for the preparation of a titanium oxide (TiO 2 ) blocking underlayer (UL) for perovskite solar cells (PSCs). Extremely thin Ti IV -based films are grown from aqueous acidic titanium(iii) chloride in an electrochemical cell at room temperature. This precursor layer is converted to the UL (ED-UL), in a suitable state for PSC applications, by undertaking a sintering step at 450 °C for half an hour. PSCs with the composition of the light-absorbing material FA 0.85 MA 0.10 Cs 0.05 Pb(I 0.87 Br 0.13 ) 3 (FA and MA denote the formamidinium and methylammonium cations, respectively) based on the ED-UL are compared with PSCs with the UL of a standard type prepared by the spray-pyrolysis method at 450 °C from titanium diisopropoxide bis(acetylacetonate) (SP-UL). We obtain power conversion efficiencies (PCEs) of over 20% for mesoscopic perovskite devices employing both ED-ULs and SP-ULs. Slightly higher fill factor values are observed for ED-UL-based devices. In addition, ED-ULs prepared by the same method have also been applied in planar PSCs, resulting in a PCE exceeding 17%, which is comparable to that for similar PSCs with an SP-UL. The preparation of ED-ULs with a lower sintering temperature, 150 °C, has also been examined. The efficiency of a planar PSC incorporating this underlayer was 14%. These results point out to the possibility of applying ED-ULs in flexible planar PSCs in the future.
Ämnesord och genrebeteckningar
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NATURVETENSKAP Kemi Materialkemi hsv//swe
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NATURAL SCIENCES Chemical Sciences Materials Chemistry hsv//eng
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Anodic oxidation
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Chlorine compounds
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Efficiency
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Lead compounds
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Perovskite
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Sintering
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Solar cells
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Spray pyrolysis
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Temperature
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Titanium dioxide
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Titanium oxides
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Absorbing materials
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Acetylacetonates
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Anodic electrodeposition
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Low temperatures
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Lower sintering temperatures
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Methylammonium cations
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Power conversion efficiencies
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Spray pyrolysis method
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Perovskite solar cells
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Zhao, L.Swiss Fed Inst Technol Lausanne EPFL, EPFL SB ISIC LPI, Lab Photon & Interfaces, Inst Chem Sci & Engn, Chemin Alambics,Stn 6, CH-1015 Lausanne, Switzerland;Peking Univ, Dept Phys, State Key Lab Artificial Microstruct & Mesoscop P, Beijing 100871, Peoples R China
(författare)
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Nonomura, K.Swiss Fed Inst Technol Lausanne EPFL, EPFL SB ISIC LSPM, Inst Chem Sci & Engn, Lab Photomol Sci, Chemin Alambics,Stn 6, CH-1015 Lausanne, Switzerland
(författare)
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Oo, T. Z.Univ Mandalay, Dept Phys, Mat Res Lab, Mandalay 05032, Myanmar
(författare)
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Zakeeruddin, S. M.Swiss Fed Inst Technol Lausanne EPFL, EPFL SB ISIC LPI, Lab Photon & Interfaces, Inst Chem Sci & Engn, Chemin Alambics,Stn 6, CH-1015 Lausanne, Switzerland
(författare)
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Vlachopoulos, N.Swiss Fed Inst Technol Lausanne EPFL, EPFL SB ISIC LSPM, Inst Chem Sci & Engn, Lab Photomol Sci, Chemin Alambics,Stn 6, CH-1015 Lausanne, Switzerland
(författare)
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Sloboda, TamaraKTH,Tillämpad fysikalisk kemi,KTH Royal Inst Technol, Dept Chem, Div Appl Phys Chem, SE-10044 Stockholm, Sweden(Swepub:kth)u18l9rqa
(författare)
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Svanström, S.
(författare)
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Cappel, Ute B.KTH,Tillämpad fysikalisk kemi,KTH Royal Inst Technol, Dept Chem, Div Appl Phys Chem, SE-10044 Stockholm, Sweden(Swepub:uu)uteca781
(författare)
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Hagfeldt, A.Swiss Fed Inst Technol Lausanne EPFL, EPFL SB ISIC LSPM, Inst Chem Sci & Engn, Lab Photomol Sci, Chemin Alambics,Stn 6, CH-1015 Lausanne, Switzerland
(författare)
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Grätzel, M.Swiss Fed Inst Technol Lausanne EPFL, EPFL SB ISIC LPI, Lab Photon & Interfaces, Inst Chem Sci & Engn, Chemin Alambics,Stn 6, CH-1015 Lausanne, Switzerland
(författare)
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Uppsala universitetMolekyl- och kondenserade materiens fysik
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of Materials Chemistry A: Royal Society of Chemistry7:17, s. 10729-107382050-74882050-7496
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Till lärosätets databas
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Svanström, Sebas ...
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Zhao, L.
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Nonomura, K.
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Oo, T. Z.
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Zakeeruddin, S. ...
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Vlachopoulos, N.
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visa fler...
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Sloboda, Tamara
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Svanström, S.
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Cappel, Ute B.
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Hagfeldt, A.
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Grätzel, M.
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