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Optical transmissivity and conductivity of metal films with micro-scale holes for transparent electrodes

XIAO-LIU ZUO1, ZHI-JUN SUN1,*

Affiliation

  1. Department of Physics, Xiamen University, Xiamen 361005, China

Abstract

In this work, we studied optical transmission and electrical conduction properties of micro-scale holy metal (Al) films fabricated on glass substrates using conventional UV lithography and wet etching processes. For the properly etched holy metal films, the measured transmittance in the visible spectrum range is uniformly above 85%, and the effective sheet resistance is in the order of ~1×10-5 Ω⋅cm; somehow they show better figure-of-merit than other typical transparent conducting layers. Additionally considering that the holes are in the micro-scale dimension, such structured metal films can be applied in many optoelectronic devices..

Keywords

Transparent electrode, Metal film, Optical transmission, Conductivity.

Citation

XIAO-LIU ZUO, ZHI-JUN SUN, Optical transmissivity and conductivity of metal films with micro-scale holes for transparent electrodes, Optoelectronics and Advanced Materials - Rapid Communications, 4, 5, May 2010, pp.647-649 (2010).

Submitted at: April 10, 2010

Accepted at: May 20, 2010