Preparation and characterization of sol–gel Li and Al codoped ZnO thin films

Preparation and characterization of sol–gel Li and Al codoped ZnO thin films

Li and Al codoped ZnO (LAZO) thin films have been prepared by a sol–gel method and their structural and optical properties have been investigated. The prepared LAZO films had an average transmittance of over 85% in the visible range. The UV absorption edge was red-shifted with Li-doping, whereas it...

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Veröffentlicht in:Materials letters 2010-01, Vol.64 (2), p.157-160
Hauptverfasser: Nian, Hongen, Hahn, Sung Hong, Koo, Kee-Kahb, Kim, Jae Seong, Kim, Sunwook, Shin, Eun Woo, Kim, Eui Jung
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Li and Al codoped ZnO
Optical materials and properties
Sol–gel preparation
Thin films
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container_end_page 160
container_issue 2
container_start_page 157
container_title Materials letters
container_volume 64
creator Nian, Hongen
Hahn, Sung Hong
Koo, Kee-Kahb
Kim, Jae Seong
Kim, Sunwook
Shin, Eun Woo
Kim, Eui Jung
description Li and Al codoped ZnO (LAZO) thin films have been prepared by a sol–gel method and their structural and optical properties have been investigated. The prepared LAZO films had an average transmittance of over 85% in the visible range. The UV absorption edge was red-shifted with Li-doping, whereas it was blue-shifted with Al-doping. A broad yellowish-white emission was observed from the LAZO films annealed above 600 °C. The visible emission was enhanced with increasing annealing temperature and dopant concentration.
doi_str_mv 10.1016/j.matlet.2009.10.030
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subjects Li and Al codoped ZnO
Optical materials and properties
Sol–gel preparation
Thin films
title Preparation and characterization of sol–gel Li and Al codoped ZnO thin films
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