Au-poly(3-hexylthiophene) Contact Behaviour at High Resolution

Lei, C. H., Das, Arindam, Elliott, Martin ORCID: https://orcid.org/0000-0002-9254-9898, Macdonald, John Emyr ORCID: https://orcid.org/0000-0001-5504-1692 and Turner, M. L. 2004. Au-poly(3-hexylthiophene) Contact Behaviour at High Resolution. Synthetic Materials 145 (2-3) , pp. 217-220. 10.1016/j.synthmet.2004.05.003

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Abstract

The electrical properties of Au-on-poly(3-hexylthiophene) (P3HT) and P3HT on Au contacts have been compared, with high spatial resolution, using phase-mode electrostatic force microscopy (EFM-phase). The electrical potential profile, deduced from the phase measurements, demonstrates the existence of a high-resistance region in the P3HT close to the Au-on-P3HT contact, whereas the P3HT-on-Au contact exhibits good Ohmic behaviour. The results are consistent with recent I–V measurements, and can be explained in terms of defects induced during thermal evaporation of gold.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QC Physics
Uncontrolled Keywords:	Poly-(3-hexylthiophene); EFM-phase; Metal contact
ISSN:	0379-6779
Last Modified:	17 Oct 2022 08:58
URI:	https://orca.cardiff.ac.uk/id/eprint/1625

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