Engineering dielectric constants in organic semiconductors

Ardalan Armin, Dani M. Stoltzfus, Jenny E. Donaghey, Andrew J. Clulow, Ravi Chandra Raju Nagiri, Paul L. Burn, Ian R. Gentle, Paul Meredith

Research output: Contribution to journalArticlepeer-review

43 Scopus citations


The dielectric properties of three pairs of organic semiconductors that contain increasing numbers of cyclopentadithiophene-co-benzothiadiazole moieties (monomer, dimer and polymer) were studied and compared. The materials in each pair differed in the nature of the ‘solubilizing groups’, which are either alkyl- or glycol-based. At low frequencies (
Original languageEnglish (US)
Pages (from-to)3736-3747
Number of pages12
JournalJournal of Materials Chemistry C
Issue number15
StatePublished - Mar 30 2017
Externally publishedYes

Bibliographical note

KAUST Repository Item: Exported on 2022-06-08
Acknowledgements: This work was performed in part at the Queensland node of the Australian National Fabrication Facility (ANFF): a company established under the National Collaborative Research Infrastructure Strategy to provide nano and micro fabrication facilities for Australia's researchers. This program has also been supported by the Australian Government through the Australian Renewable Energy Agency (ARENA) Australian Centre for Advanced Photovoltaics and by the Australian Research Council (DP120101372 and DP140102379). The authors acknowledge the Australian Microscopy and Microanalysis Research Facility at the Centre for Microscopy and Microanalysis, The University of Queensland for access to the Rigaku Smartlabs instrument, and scientific and technical assistance. Responsibility for the views, information or advice expressed herein is not accepted by the Australian Government. We thank Dr Pierre Beaujuge at KAUST for carrying out the high temperature GPC measurements and CSIRO for providing the PESA facilities
This publication acknowledges KAUST support, but has no KAUST affiliated authors.


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