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Investigation of Triphenylamine (TPA)-Based Metal Complexes and Their Application in Perovskite Solar Cells
KTH Royal Inst Technol, Dept Chem, Appl Phys Chem, SE-10044 Stockholm, Sweden..
KTH Royal Inst Technol, Dept Chem, Appl Phys Chem, SE-10044 Stockholm, Sweden..
KTH Royal Inst Technol, Dept Chem, Appl Phys Chem, SE-10044 Stockholm, Sweden..
KTH Royal Inst Technol, Wallenberg Wood Sci Ctr, Dept Fiber & Polymer Technol, SE-10044 Stockholm, Sweden..
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2017 (English)In: ACS OMEGA, ISSN 2470-1343, Vol. 2, no 12, p. 9231-9240Article in journal (Refereed) Published
Abstract [en]

Triphenylamine-based metal complexes were designed and synthesized via coordination to Ni(II), Cu(II), and Zn(II) using their respective acetate salts as the starting materials. The resulting metal complexes exhibit more negative energy levels (vs vacuum) as compared to 2,2', 7,7'-tetrakis(N, N-di-p-methoxyphenylamine)-9,9'-spirobifluorene (Spiro-OMeTAD), high hole extraction efficiency, but low hole mobilities and conductivities. Application of dopants typically used for Spiro-OMeTAD was not successful, indicating a more complicated mechanism of partial oxidation besides the redox potential. However, utilization as hole-transport material was successful, giving a highest efficiency of 11.1% under AM 1.5G solar illumination.

Place, publisher, year, edition, pages
AMER CHEMICAL SOC , 2017. Vol. 2, no 12, p. 9231-9240
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Chemical Sciences
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URN: urn:nbn:se:uu:diva-340262DOI: 10.1021/acsomega.7b01434ISI: 000418744400078OAI: oai:DiVA.org:uu-340262DiVA, id: diva2:1179135
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Swedish Energy AgencySwedish Research CouncilKnut and Alice Wallenberg FoundationAvailable from: 2018-01-31 Created: 2018-01-31 Last updated: 2018-01-31Bibliographically approved

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