Michael Campion

Graduate Student
B.S. Materials Science and Engineering
University of Illinois-Champaign

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77 Massachusetts Ave.
Room 13-4010
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Transparent Conducting Oxides
Authors: Michael J. Campion, Adel Gougam, and Harry L. Tuller
Sponsor: Masdar Institute of Science and Technology

Good transparency and high electrical conductivity are generally mutually exclusive in materials.  However, a class of materials called transparent conducting oxides (TCOs) possesses good optical transmission while maintaining electrical conductivity levels only a few orders smaller than those of metals.  These materials are attractive for creating transparent electrodes for solar cells, smart windows, and LED displays.  Currently, tin-doped indium oxide (ITO) is the most commonly used transparent conductive oxide, but this material uses a large amount of indium, which is an expensive element.  In this project, the optical and electrical properties of zinc oxide and related materials are being explored to greater understand the potential of these materials as transparent conducting oxides as alternatives to ITO.