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Single-crystal structure determination of a new polymorph (ε-Alq3) of the electroluminescence OLED (organic light-emitting diode) material, tris(8-hydroxyquinoline)aluminum (Alq3)

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Abstract

Tris(8-hydroxyquinoline) aluminum, Alq3, is the most widely used electroluminescent material in organic light-emitting diode (OLED), chemistry. Single-crystal structure determination of a new polymorph of Alq3, designated as ε-Alq3, is described. There are three molecules of Alq3 in the asymmetric unit. This octahedrally coordinated complex crystallizes in the triclinic space group P-1, lattice parameters a = 13.5190(5) Å, b = 15.8550(6)~Å, c = 18.7110(8) Å, α = 95.4940(19)∘, β = 109.774(2)∘, γ = 114.6270(16)∘, Volume = 3296.8(2) Å3, Z = 6, Z′ = 3.

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Authors and Affiliations

  1. Research and Development Laboratories, Eastman Kodak Company, 1999 Lake Avenue, Rochester, New York, 14650–2106;

    Manju Rajeswaran & Thomas N. Blanton

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  1. Manju Rajeswaran
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  2. Thomas N. Blanton
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Correspondence to Manju Rajeswaran.

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Rajeswaran, M., Blanton, T.N. Single-crystal structure determination of a new polymorph (ε-Alq3) of the electroluminescence OLED (organic light-emitting diode) material, tris(8-hydroxyquinoline)aluminum (Alq3). J Chem Crystallogr 35, 71–76 (2005). https://doi.org/10.1007/s10870-005-1157-4

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  • DOI: https://doi.org/10.1007/s10870-005-1157-4

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