Penetration based CNT/Sol-Gel composite films and their remarkable electrical 
properties

Erismis, H.; Nemec, D.; Geiss, M.; Skakalova, V.; Ritter, U.; Kolaric, I.; Roth, S.

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Penetration based CNT/Sol-Gel composite films and their remarkable electrical properties

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Skakalova, V.
Abteilung v. Klitzing, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Roth, S.
Abteilung v. Klitzing, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Erismis, H., Nemec, D., Geiss, M., Skakalova, V., Ritter, U., Kolaric, I., et al. (2011). Penetration based CNT/Sol-Gel composite films and their remarkable electrical properties. Microelectronic Engineering, 88(8), 2513-2515.

Cite as: https://hdl.handle.net/21.11116/0000-000E-BE43-1

Abstract

In this work we present a novel method for CNT/Sol-Gel film preparation, combining low resistivity and improved adhesion behaviour on glass substrates. Naturally occurring voids, with diameters of 50-100 nm, in sprayed CNT networks are used for Sol-Gel penetration via dip coating method. Thermal treatments, for composite film densification, in the range of 200-700 degrees C are investigated and electrical properties were compared to identically treated reference samples with the same batch of nanotubes but without Sol-Gel. The resistivity of such composite films, with best value of similar to 0.03 Omega cm for MWNTs, is two orders of magnitudes lower than previously reported for CNT/Sol-Gel composites. Surprisingly the surface resistance of the composite film shows 25% improvement compared to thermally equal treated pure CNT films. In addition, crosscut adhesion behaviour is investigated, including tape test, showing good performance for composite films, where Sol-Gel acts as an adhesion promoter. (C) 2011 Elsevier B.V. All rights reserved.