High performance photoelectrode of dye-sensitised solar cells by Mo-Ce doped TiO2 nanoparticles/nanotubes
- Authors
- Kim, Ji Won; Kim, Kyung Hwan; Kim, Chang Seob; Choi, Hyung Wook
- Issue Date
- 2016
- Publisher
- INDERSCIENCE ENTERPRISES LTD
- Keywords
- dye-sensitised solar cells; DSSC; TiO2 nanotube; CeO2; MoO3
- Citation
- INTERNATIONAL JOURNAL OF NANOTECHNOLOGY, v.13, no.10-12, pp.790 - 800
- Journal Title
- INTERNATIONAL JOURNAL OF NANOTECHNOLOGY
- Volume
- 13
- Number
- 10-12
- Start Page
- 790
- End Page
- 800
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/9776
- DOI
- 10.1504/IJNT.2016.080359
- ISSN
- 1475-7435
- Abstract
- The one-dimensional structure of TiO2 provides improved photoelectric performance, but it has a small surface area that reduces the adsorption of dye on its surface. Therefore, in this study, TiO2 nanoparticles doped with different amounts of cerium (CeO2) prepared using the sol-gel method and molybdenum (MoO3)-doped TiO2 nanotube photoelectrodes were successfully fabricated via the three-step anodisation of titanium followed by a hydrothermal doping treatment process. The samples were characterised by XRD, SEM, UV-vis, EIS, and I-V curves. The results indicate that metal-doped TiO2 nanoparticles/nanotubes exhibit a broadened absorption in the visible region and a reduced ion recombination as well. The dye-sensitised solar cells (DSSCs) show a maximum conversion efficiency of 6.14% and JSC of 14.80 mA/cm(2) under a simulated solar light irradiation of 100 mW/cm(2) (AM 1.5).
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