Abstract
We report forsythia-like TiO2-decorated SnO2 nanowires on fluorine-doped SnO2 electrode as a photoelectrode 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 (Jsc), open circuit voltage (Voc) 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.
Original language | English |
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Pages (from-to) | 48-51 |
Number of pages | 4 |
Journal | Materials Letters |
Volume | 202 |
DOIs | |
Publication status | Published - 2017 Sep 1 |
Externally published | Yes |
Keywords
- Dye-sensitized solar cells
- Lifetime
- Nanowire
- SnO
- TiO decoration
ASJC Scopus subject areas
- Materials Science(all)
- Condensed Matter Physics
- Mechanics of Materials
- Mechanical Engineering