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SnO2 nanowires decorated with forsythia-like TiO2 for photoenergy conversion
- Authors
- Park, IJ (Park, Ik Jae); Park, S (Park, Sangbaek); Kim, DH (Kim, Dong Hoe); Jeong, H (Jeong, Heesu); Lee, S (Lee, Sangwook)
- Issue Date
- Sep-2017
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Dye-sensitized solar cells; Lifetime; Nanowire; SnO2; TiO2 decoration
- Citation
- MATERIALS LETTERS, v.202, pp 48 - 51
- Pages
- 4
- Journal Title
- MATERIALS LETTERS
- Volume
- 202
- Start Page
- 48
- End Page
- 51
- ISSN
- 0167-577X
1873-4979
- Abstract
- We report forsythia-like TiO2-decorated SnO2 nanowires on fluorine-doped SnO2 electrode as a photo-electrode of dye-sensitized solar cells. When SnO2 nanowires grown via vapor-liquid-solid reaction were soaked in TiCl4 solution, leaf-shaped rutile TiO2 was grown onto the surface of the nanowires. The TiO2 decoration increases the short circuit current (J(sc)), open circuit voltage (V-oc) and fill factor (FF) of dye-sensitized solar cells. Further, electron lifetime increased by employing an atomic-layer-deposited TiO2 nanoshell between the TiO2 leaves and the SnO2 nanowire, due to preventing charge recombination at the nanowire/electrolyte interface. (C) 2017 Elsevier B.V. All rights reserved.
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