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Dye-sensitized solar cells (DSSCs) are fabricated based on anatase TiO (2) nanosheets (TiO (2) -NSs) with exposed 001 facets, which were obtained by a simple one-pot hydrothermal route using HF as a morphology controlling agent and Ti (OC (4) H (9) ) (4) as precursor. The prepared samples were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, UV-vis absorption spectroscopy and N (2) adsorption-desorption isotherms. The photoelectric conversion performances of TiO (2) -NSs solar cells are also compared with TiO (2) nanoparticles (TiO (2) -NPs) and commercial-grade Degussa P25 TiO (2) nanoparticle (P25) solar cells at the same film thickness, and their photoelectric conversion efficiencies (η) are 4. 56, 4. 24 and 3. 64%, respectively. The enhanced performance of the TiO (2) -NS solar cell is due to their good crystallization, high pore volume, large particle size and enhanced light scattering. The prepared TiO (2) nanosheet film electrode should also find wide-ranging potential applications in various fields including photocatalysis, catalysis, electrochemistry, separation, purification and so on.
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