Nano Science and Technology Institute
Nanotech 2008 Vol. 1
Nanotech 2008 Vol. 1
Nanotechnology 2008: Materials, Fabrication, Particles, and Characterization - Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, Volume 1
 
Chapter 2: Nano Materials & Composites
 

Preparation of transparent electrodes based on CNT-s doped metal oxides

Authors:M. Paalo, T. Tätte, U. Visk, R. Lõhmus, A. Lõhmus, I. Kink
Affilation:University of Tartu, EE
Pages:389 - 391
Keywords:carbon nanotubes, sol-gel technology, metal oxides
Abstract:In recent year’s electrically conductive and transparent electrodes has been one of the most important issues in optoelectronics. High price of ITO have set the search for alternative materials into focus. CNT-s has been used as dopants to improve electrical and mechanical characteristics of different transparent materials, in order to create new electrode materials. Being probably the cheapest, the main materials tested as matrixes are different organic polymers. Still, these materials have some drawbacks compared to ITO, like lower chemical and mechanical stability. To overcome these problems we have started studies to design electrodes based on metal oxides, which are among the most stable compounds. As these materials also have high hardness, they are often used as protective layers. In our experiments sol-gel method was used for preparation of these materials. CNT-s were added to the precursor and after baking, dense oxide ceramics, doped by aligned nanotubes, were achieved. SEM images of fibers proved that pulling process aligned CNT-s in material. Prepared materials were transparent and electrically conductive. Our experiments revealed that CNT-doping could notably improve the electrical properties of the material.
Preparation of transparent electrodes based on CNT-s doped metal oxidesView PDF of paper
ISBN:978-1-4200-8503-7
Pages:1,118
Hardcopy:$159.95
 
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