Synthesis and characterization of UV-treated Fe-doped bismuth lanthanum titanate-doped TiO2 layers in dye-sensitized solar cells
- Authors
- Song, Myoung Geun; Bark, Chung Wung
- Issue Date
- Jun-2016
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- DSSC; Bismuth titanate; UV treatment; Hydrophilic; Hydrophobic
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.68, no.12, pp.1399 - 1402
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 68
- Number
- 12
- Start Page
- 1399
- End Page
- 1402
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/8256
- DOI
- 10.3938/jkps.68.1399
- ISSN
- 0374-4884
- Abstract
- Dye-sensitized solar cells (DSSCs) based on titanium dioxide (TiO2) have been extensively studied because they constitute promising low-cost alternatives to their conventional semiconductor-based counterparts. However, much of the effort aimed at achieving high conversion efficiencies has focused on dye and liquid electrolytes. In this work, we report the photovoltaic characteristics of DSSCs fabricated by mixing TiO2 with Fe-doped bismuth lanthanum titanate (Fe-BLT). These nanosized Fe-BLT powders were prepared by using a high-energy ball-milling process. In addition, we used a UV radiation-ozone (UV-O-3) treatment to change the surface wettability of TiO2 from hydrophobic to hydrophilic and thereby prevented the easy separation of the Fe-BLT-mixed TiO2 from the fluorine-doped tin-oxide (FTO) coating glass.
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