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11% efficiency soli...
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Cao, YimingEcole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland.
(författare)
11% efficiency solid-state dye-sensitized solar cells with copper(II/I) hole transport materials
- Artikel/kapitelEngelska2017
Förlag, utgivningsår, omfång ...
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2017-06-09
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Springer Science and Business Media LLC,2017
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electronicrdacarrier
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LIBRIS-ID:oai:DiVA.org:uu-326494
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-326494URI
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https://doi.org/10.1038/ncomms15390DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Solid-state dye-sensitized solar cells currently suffer from issues such as inadequate nanopore filling, low conductivity and crystallization of hole-transport materials infiltrated in the mesoscopic TiO2 scaffolds, leading to low performances. Here we report a record 11% stable solid-state dye-sensitized solar cell under standard air mass 1.5 global using a hole-transport material composed of a blend of [Cu (4,4',6,6'-tetramethyl-2,2'-bipyridine)2(bis(trifluoromethylsulfonyl)imide)2 and [Cu (4,4',6,6'-tetramethyl-2,2'-bipyridine)2](bis(trifluoromethylsulfonyl)imide). The amorphous Cu(II/I) conductors that conduct holes by rapid hopping infiltrated in a 6.5 mm-thick mesoscopic TiO2 scaffold are crucial for achieving such high efficiency. Using time-resolved laser photolysis, we determine the time constants for electron injection from the photoexcited sensitizers Y123 into the TiO2 and regeneration of the Y123 by Cu(I) to be 25 ps and 3.2 μs, respectively. Our work will foster the development of low-cost solid-state photovoltaic based on transition metal complexes as hole conductors.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Saygili, YaseminEcole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photomol Sci, CH-1015 Lausanne, Switzerland.
(författare)
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Ummadisingu, AmitaEcole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland.
(författare)
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Teuscher, JoelEcole Polytech Fed Lausanne, Inst Chem Sci & Engn, Photochem Dynam Grp, CH-1015 Lausanne, Switzerland.
(författare)
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Luo, JingshanEcole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland.
(författare)
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Pellet, NormanEcole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland.
(författare)
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Giordano, FabrizioEcole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland.
(författare)
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Zakeeruddin, Shaik MohammedEcole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland.
(författare)
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Moser, Jacques-E.Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, Photochem Dynam Grp, CH-1015 Lausanne, Switzerland.
(författare)
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Freitag, MarinaUppsala universitet,Fysikalisk kemi,Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photomol Sci, CH-1015 Lausanne, Switzerland.(Swepub:uu)marfr829
(författare)
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Hagfeldt, AndersEcole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photomol Sci, CH-1015 Lausanne, Switzerland.
(författare)
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Graetzel, MichaelEcole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland.
(författare)
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Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland.Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photomol Sci, CH-1015 Lausanne, Switzerland.
(creator_code:org_t)
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Ingår i:Nature Communications: Springer Science and Business Media LLC82041-1723
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Till lärosätets databas
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Cao, Yiming
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Saygili, Yasemin
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Ummadisingu, Ami ...
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Teuscher, Joel
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Luo, Jingshan
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Pellet, Norman
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visa fler...
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Giordano, Fabriz ...
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Zakeeruddin, Sha ...
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Moser, Jacques-E ...
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Freitag, Marina
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Hagfeldt, Anders
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Graetzel, Michae ...
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