Polymorphism in tetra-aryl biphenyl diamine hole transport materials: resolving the conflicting literature on N, N-diphenyl-N, N-bis(3,3-methylphenyl)-[(1,1-biphenyl)]-4,4-diamine by high-resolution powder diffraction

Shankland, K. and Kennedy, A.R. and David, William I.F. (2005) Polymorphism in tetra-aryl biphenyl diamine hole transport materials: resolving the conflicting literature on N, N-diphenyl-N, N-bis(3,3-methylphenyl)-[(1,1-biphenyl)]-4,4-diamine by high-resolution powder diffraction. Journal of Materials Chemistry, 15 (45). pp. 4838-4844. ISSN 0959-9428 (http://dx.doi.org/10.1039/b507425h)

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Abstract

The existence of a second polymorphic form of the hole transport material N,N-diphenyl-N,N-bis(3,3-methylphenyl)-[(1,1-biphenyl)]-4,4-diamine has been confirmed using both Pawley and Rietveld refinement of structural information against high-resolution synchrotron X-ray powder diffraction data.