Bazaka, Kateryna, Jacob, Mohan V., Taguchi, Dai, Manaka, Takaaki, and Iwamoto, Mitsumasa (2011) Effect of organic gate dielectric material properties on interfacial charging and discharging of pentacene MIM device. Physics Procedia, 14. pp. 62-66.

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Abstract

The effect of material properties of an environmentally friendly, optically transparent dielectric material, polyterpenol, on the carrier transients within the pentacene-based double-layer MTM device was investigated. Polyterpenol films were RF plasma polymerised under varied process conditions, with resultant films differing in surface chemistry and morphology. Independent of type of polyterpenol, time-resolved EFISHG study of IZO/polyterpenol/pentacene/Au structures showed similar transient behaviour with carriers injected into pentacene from Au electrode only, confirming polyterpenol to be a suitable blocking layer for visualisation of single-species carrier transportation during charging and discharging under different bias conditions. Polyterpenol fabricated under higher input power show better promise due to higher chemical and thermal stability, improved uniformity, and absence of defects.

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