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Conductivity in Thin Films of Transition Metal Coordination Complexes
Newcastle Univ, Sch Nat & Environm Sci, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England..
Newcastle Univ, Sch Math Stat & Phys, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England..
Univ Naples Federico II, Dept Chem Sci, I-80126 Naples, Italy..
Newcastle Univ, Sch Nat & Environm Sci, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England..
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2023 (English)In: ACS Applied Energy Materials, E-ISSN 2574-0962, Vol. 6, no 4, p. 2122-2127Article in journal (Refereed) Published
Abstract [en]

Two coordination complexes have been made by combining the dithiolene complexes [M(mnt)(2)](2-) (mnt = maleonitriledithiolate; M = Ni2+ or Cu2+) as anion, with the copper(II) coordination complex [Cu(Stetra)] (Stetra = 6,6 ' - bis(4,5-dihydrothiazol-2-yl)-2,2 ' -bipyri-dine) as cation. The variation of the metal centers leads to a dramatic change in the conductivity of the materials, with the M = Cu2+ variant (Cu-Cu) displaying semiconductor behavior with a conductivity of approximately 2.5 x 10(-8) S cm(-1), while the M = Ni2+ variant (Ni-Cu) displayed no observable conductivity. Computational studies found Cu-Cu enables a minimization of reorganization energy losses and, as a result, a lower barrier to the charge transfer process, resulting in the reported higher conductivity.

Place, publisher, year, edition, pages
American Chemical Society (ACS), 2023. Vol. 6, no 4, p. 2122-2127
Keywords [en]
charge transfer, electrical conductivity, energy materials, coordination complexes, copper complexes, charge transfer materials, salts
National Category
Inorganic Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-512594DOI: 10.1021/acsaem.2c02999ISI: 000932415500001PubMedID: 36875350OAI: oai:DiVA.org:uu-512594DiVA, id: diva2:1800712
Available from: 2023-09-27 Created: 2023-09-27 Last updated: 2024-01-29Bibliographically approved

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Edvinsson, Tomas

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