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Nanocrystalline Indium Tin Oxide Fabricated via Sol–Gel Combustion for Electrochemical Luminescence Cells

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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

DOI: http://dx.doi.org/10.1166/jnn.2012.5573

Publication date: April 1, 2012

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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