Nanocrystalline Indium Tin Oxide Fabricated via Sol–Gel Combustion for Electrochemical Luminescence Cells
Abstract:Nanoporous indium tin oxide (ITO) was synthesized via a sol–gel combustion hybrid method using Ketjenblack as a fuel. The effects of the sol–gel combustion conditions on the structures and morphology of the ITO particles were studied. The size of the nanoporous powder was found to be 20∼30 nm in diameter. The layer of the nanoporous ITO electrode (∼10 μm thickness) with large surface area (∼360 m2/g) was fabricated for an electrochemical luminescence (ECL) cell. At 4 V bias, the ECL efficiency of the cell consisting of the nanoporous ITO layer was approximately 1050 cd/m2, which is significantly higher than the cell using only the FTO electrode (450 cd/m2). The nanoporous ITO layer was effective in increasing the ECL intensities.
Document Type: Research Article
Publication date: April 1, 2012
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