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http://dx.doi.org/10.9713/kcer.2019.57.1.111

Dye-sensitized Solar Cells Utilizing Core/Shell Structure Nanoparticle Fabrication and Deposition Process  

Jeong, Hongin (Department of Life Science and Chemistry, Daejin University)
Yoo, Jhongryul (Department of Life Science and Chemistry, Daejin University)
Park, Sungho (Department of Life Science and Chemistry, Daejin University)
Publication Information
Korean Chemical Engineering Research / v.57, no.1, 2019 , pp. 111-117 More about this Journal
Abstract
This study proposed the fabrication and deposition of high purity crystalline $core-TiO_2/shell-Al_2O_3$ nanoparticles. Morphological properties of $core-TiO_2$ and coated $shell-Al_2O_3$ were confirmed by transmission electron microscope (TEM) and transmission electron microscope - energy dispersive spectroscopy (TEM-EDS). The electrical properties of the prepared $core-TiO_2/shell-Al_2O_3$ nanoparticles were evaluated by applying them to a working electrode of a Dye-Sensitized Solar Cell (DSSC). The particle size, growth rate and the main crystal structure of $core-TiO_2$ were analyzed through dynamic light scattering system (DLS), scanning electron microscope (SEM) and X-ray diffraction (XRD). The $core-TiO_2$, which has a particle size of 17.1 nm, a thin film thickness of $20.1{\mu}m$ and a main crystal structure of anatase, shows higher electrical efficiency than the conventional paste-based dye-sensitized solar cell (DSSC). In addition, the energy conversion efficiency (6.28%) of the dye-sensitized solar cell (DSSC) using the $core-TiO_2/shell-Al_2O_3$ nanoparticles selectively controlled to the working electrode is 26.1% higher than the energy conversion efficiency (4.99%) of the dye-sensitized solar cell (DSSC) using the conventional paste method.
Keywords
Core/shell nanoparticle; Nanoparticle Fabrication; Nanoparticle deposition; Microwave Plasma; Dye-sensitized solar cell;
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Times Cited By KSCI : 1  (Citation Analysis)
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