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Berlin 2008 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 52: Symposium Semiconducting Nanoparticles for Nano-Optics and Optoelectronics

HL 52.1: Invited Talk

Friday, February 29, 2008, 10:30–11:00, ER 270

Semiconducting nanoparticles in industrial applications — •Martin Trocha, André Ebbers, Anna Prodi-Schwab, and Heiko Thiem — Evonik Degussa GmbH

Nanoscale semiconducting particles are already in use for large scale industrial applications since decades. Some examples are UV and IR absorbers in coatings, as absorbing additives in polymers and plastics, and for antistatic coatings on surfaces. Nevertheless the semiconducting nanoparticles play only a passive role as a mere additive.

From the industrial point of view semiconducting nanoparticles are also attractive to be used as active material in optoelectronic devices. Their particulate character allows the fabrication of dispersions and inks. Therefore efficient and cost-saving printing processes, even on flexible substrates, can be used to produce optoelectronic devices.

First applications developed by Evonik Industries are printed transparent conductive films in luminescent devices based on ITO and field effect transistors based on different semiconducting nanoparticles. In this presentation the current status and the future prospective of semiconducting nanoparticles will be outlined.

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