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Optical Properties of Nanostructured Electrodes

Published online by Cambridge University Press:  13 May 2013

Akram A. Khosroabadi ,
Palash Gangopadhyay ,
Binh Duong ,
Jayan Thomas  and
Robert A. Norwood
Akram A. Khosroabadi
Affiliation:
College of Optical Sciences, The University of Arizona, Tucson, AZ 85721
Palash Gangopadhyay
Affiliation:
College of Optical Sciences, The University of Arizona, Tucson, AZ 85721
Binh Duong
Affiliation:
NanoScience Technology Center, University of Central Florida, FL 32826
Jayan Thomas
Affiliation:
NanoScience Technology Center, University of Central Florida, FL 32826 CREOL, The College of Optics and Photonics, and Department of Material Science and Engineering, University of Central Florida, FL 32826
Robert A. Norwood
Affiliation:
College of Optical Sciences, The University of Arizona, Tucson, AZ 85721
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Abstract

A versatile and powerful new lithographic fabrication method has been used to fabricate a number of nano-architectured ordered 2-D indium tin oxide (ITO) and silver (Ag) electrodes. By careful tuning of the dimensions of the nanofeatures in the electrodes, the surface area can be enhanced as desired, in-turn changing resistivity and free carrier concentrations accordingly. Absorption spectra of the samples show the existence of a new optical bandgap, in addition to the bulk bandgap, that is smaller. Nanostructured electrodes show enhanced transparency compared to their planar counterparts and demonstrate typical surface plasmon characteristics. The resonance frequency can be tuned as well by changing the dimensions of the nanofeatures in the electrodes.

Keywords

nanostructureoptical propertiestransparent conductor
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1552: Symposium S – Nanostructured Metal Oxides for Advanced Applications , 2013 , pp. 119 - 124
Copyright
Copyright © Materials Research Society 2013 

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References

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