Field effect mobility, morphology and electroluminescence of a semiconductor based on a DPP-quaterfluorene quadrupolar linear conjugated system
Arumugam, Sasikumar and Brown, Roisin E. and Orofino-Pena, Clara and Findlay, Neil J. and Inigo, Anto Regis and Kanibolotsky, Alexander L. and Skabara, Peter J. (2014) Field effect mobility, morphology and electroluminescence of a semiconductor based on a DPP-quaterfluorene quadrupolar linear conjugated system. Israel Journal of Chemistry, 54 (5-6). pp. 828-835. ISSN 0021-2148 (https://doi.org/10.1002/ijch.201400059)
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An organic semiconductor, expressed as a quadrupolar linear conjugated system (DPP Linear-c), consisting of a 1,4-diketopyrrolo[3,4-c]pyrrole (DPP) central unit and two quaterfluorenylphenyl arms at the 3- and 6- positions of the DPP fragment, is studied in organic field effect transistors (OFETs). The strong propensity of DPP Linear-c to aggregate in the solid state favours the hole mobility of the semiconductor due to the alignment of HOMOs in the aggregates. The fabrication of OFETs from this novel p-type semiconductor is reported, using different dielectrics to evaluate their effect on the overall device performance. Despite its aggregation, DPP Linear-c remains luminescent in the solid state. Electroluminescence of a non-optimised OLED fabricated from this material is demonstrated.
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Item type: Article ID code: 55126 Dates: DateEvent6 June 2014Published24 March 2014AcceptedSubjects: Science > Chemistry Department: Faculty of Science > Pure and Applied Chemistry
Technology and Innovation Centre > PhotonicsDepositing user: Pure Administrator Date deposited: 16 Dec 2015 11:16 Last modified: 08 Apr 2024 22:40 Related URLs: URI: https://strathprints.strath.ac.uk/id/eprint/55126