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Cross-linkable charge transport materials

Lookup NU author(s): Dr Luke Judd

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Abstract

There is provided a compound of the formula wherein: A represents a phenyl group, a naphthyl group, a biphenyl group or two phenyl groups linked by a C1-C8 alkyl chain; B1 and B2 in each occurrence are independently selected side chains of the structure -(Y1)n-L-(Y2)m-X wherein: Y1 and Y2 in each occurrence are independently selected from O, C02- and CH2O; m and n in each occurrence are independently selected from 0 or 1; L in each occurrence is a C2-C14 straight chain alkyl group; and X in each occurrence is an independently selected cross linkable group; C is a side chain of the structure -(Z1)p-M-(Z2)q-E wherein: Z1 and Z2 are independently selected from O, CO2- and CH2O; p and q in each occurrence are independently selected from 0 or 1; M is a C1C14 straight chain alkyl group; and E comprises a charge transport group; D is a side chain of the structure -(W1)r-N-(W2)S-F wherein: W1 and W2 are independently selected from O, CO2- and CH2O; r and s in each occurrence are independently selected from 0 or 1; N is a C1C14 straight chain alkyl group; and F comprises a charge transport group or light emitter group; and wherein the charge transport group E does not contain a fluorene group other than those that form part of a spirobifluorenearylamine motif.

Publication metadata

Inventor(s): Aldred MP, Judd LW, Foden C

Publication type: Patent

Publication status: Published

Year: 2017

Print publication date: 28/06/2017

Acceptance date: 16/10/2015

Country: GB, KR, JP, US, CN, EP

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