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Nanocrystalline TiO 2 /ZnO Thin Films: Fabrication and Application to Dye-Sensitized Solar Cells

2005; American Chemical Society; Volume: 109; Issue: 51 Linguagem: Inglês

10.1021/jp0531560

1520-6106

Rajaram S. Mane, Won Joo Lee, Habib M. Pathan, Sung‐Hwan Han,

ZnO doping and properties

Nanocrystalline TiO2 thin films composed of densely packed grains were deposited onto indium-doped tin oxide (ITO)-coated glass substrates at room temperature using a chemical bath deposition technique. A layer-by-layer (LbL) process was utilized to obtain a 1.418-μm-thick TiO2/ZnO structure. The TiO2 surface was super-hydrophilic, but its hydrophilicity decreased considerably after ZnO deposition. Other TiO2/ZnO films were studied to assess their suitability as photoelectrodes in dye-sensitized solar cells (DSSCs).