Enhancement of Photoconversion Efficiency of ZnO Nanorod-Based Dye-Sensitized Solar Cells in Presence of ZrO2 Thin Energy Barrier

Authors: Koo, Gumae; Lee, Wonjoo; Kil, Byungho; Ahn, Heejoon; Cho, Byung Won; Han, Sung-Hwan

Source: Journal of Nanoscience and Nanotechnology, Volume 11, Number 5, May 2011 , pp. 4476-4479(4)

Publisher: American Scientific Publishers

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Abstract:

In order to enhance the power conversion efficiency of ZnO nanorods-based dye-sensitized solar cells (DSSCs), ZrO2 thin energy barriers were formed on ZnO nanorods using a sol–gel method. In DSSCs, the short-circuit current was substantially increased, and the dark current was significantly reduced in the presence of the ZrO2 layer. Due to suppressed recombination in the presence of the ZrO2 layer, 81.3% increment of power conversion efficiency is achieved compared to those without ZrO2 layer.

Keywords: DYE-SENSITIZED SOLAR CELLS; RECOMBINATION; WET-CHEMICAL PROCESS; ZNO; ZRO2

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2011.3700

Publication date: May 1, 2011

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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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