Charge transport in a two-dimensional molecular organic semiconductor

Arumugam, Sasikumar and Wright, Iain A. and Inigo, Anto R. and Gambino, Salvatore and Howells, Calvyn T. and Kanibolotsky, Alexander L. A.L. and Skabara, Peter J. and Samuel, Ifor D. W. (2014) Charge transport in a two-dimensional molecular organic semiconductor. Journal of Materials Chemistry. C, 2 (1). pp. 34-39. ISSN 2050-7534

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    Charge transport has been studied in a germanium-centred oligothiophene cruciform featuring 2-D close packing in the bulk. The morphology has been found to play a significant role in charge carrier transport, evidenced by time-of-flight and field effect transistor measurements. Thermal step-annealing leads to the formation of smaller crystalline domains which are favourable for charge transport in device applications.