Twist and shout : a surprising synergy between aryl and N-substituents defines the computed charge transport properties in a series of crystalline diketopyrrolopyrroles

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Calvo-Castro, Jesus and Maczka, Sebastian and Thomson, Connor and Morris, Graeme and Kennedy, Alan R. and McHugh, Callum J. (2016) Twist and shout : a surprising synergy between aryl and N-substituents defines the computed charge transport properties in a series of crystalline diketopyrrolopyrroles. CrystEngComm. ISSN 1466-8033 (https://doi.org/10.1039/C6CE02261H)

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Abstract

The influence of systematic variation of aryl and N-substitution on predicted charge transport behaviour in a series of crystalline diketopyrrolopyrroles is evaluated. A correct combination of substituents is revealed to maximise those properties which dictate device performance in organic single crystals based upon this structural motif. For electron transport, furan and N-alkyl substitution emerge as optimal molecular design strategies, whilst phenyl structures bearing N-benzyl substituents are shown to offer the most significant promise as highly sought after crystalline hole transport materials.

ORCID iDs

Calvo-Castro, Jesus, Maczka, Sebastian, Thomson, Connor, Morris, Graeme, Kennedy, Alan R. ORCID logoORCID: https://orcid.org/0000-0003-3652-6015 and McHugh, Callum J.;
CORE (COnnecting REpositories)