Surface-plasmon-mediated Enhancement of Photoluminescence from Hybrid Structures of Indium Zinc Oxide/Ag/indium Zinc Oxide
J. Korean Phy. Soc. 2010; 56: 1164~1166
Published online April 15, 2010 © 2010 The Korean Physical Society.

Abstract
We firstly report strong enhancement of photoluminescence (PL) from hybrid structures of indium zinc oxide (IZO)/Ag/IZO fabricated on glass substrates by DC magnetron sputtering. The PL intensity of the hybrid structures shows a slight increase with increasing the thickness of the Ag layer (t) up to 12 nm, but at t > 12 nm, it shows a sharp increase, and becomes almost 5 times larger at t = 16 nm than that of the bare IZO film, very consistent with their t-dependent sheet resistance behaviors. These observations are discussed based on the surface-plasmon-mediated emission mechanism.


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