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Organic Photovoltaic Cells Using Indium Zinc Tin Oxide Electrode

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In recent years, indium zinc tin oxide (IZTO) thin films have been assessed as alternative materials for the commonly used indium tin oxide (ITO) with comparable electrical and optical properties for transparent electrode applications. In addition, IZTO films with a lower indium content of up to 40 at.% was found to have a high work function, which is beneficial for OPV applications. This finding raised expectations for OPV cells with IZTO films to bring higher efficiency. In this study, OPV cells were fabricated with two different structures, i.e., conventional and inverted structures, where IZTO films were used as the anode and cathode, respectively. The IZTO films were deposited at 400 °C or at room temperature with an average thickness of approximately 150 nm by RF magnetron sputtering. The improvement of the photoelectric conversion efficiency of the fabricated OPV cells is discussed in detail.
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Keywords: Indium Zinc Tin Oxide; Non-Stoichiometric; Organic Photovoltaics; Transparent Conducting Oxide

Document Type: Research Article

Affiliations: 1: School of Materials Science and Engineering, Yeungnam University, Gyeongsan 38541, Korea 2: School of Materials Science and Engineering, Kyungpook National University, Daegu 41566, Korea 3: Department of Energy Systems Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Korea

Publication date: 2017-06-01

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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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