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Dye-sensitized solar cells (DSSCs) are a relatively low cost solar cell technology with an overall light-to electricity conversion efficiency of over 10%. Typically, a ∼10 μm thickness of TiO2 nanocrystalline film was used in DSSC devices for the purpose of electron collection and transportation. In this work, the TiO2 nanotube array (TNTA) covered with TiO2 nanoparticles (TNP) were successfully prepared...
In this work, we present a systematic investigation of the influence of mixed-phase TiO2 with various a-TiO2 to r-TiO2 ratio (A/R) toward the DSSCs efficiency. It was found that though a-TiO2 showed better performance than r-TiO2 in DSSCs, the Ru-bipyridine dye (N719) sensitized TiO2 films fabricated by mixed-phase TiO2 with A/R = 9 gives the highest cell efficiency.
In the present study, non-stoichiometric tungsten oxide (WO3-x) nanomaterials synthesized by a modified plasma arc gas condensation technique were added into anatase titanium oxide (a-TiO2) which was used as photoanode materials in dye-sensitized solar cells (DSSC). The WO3-x/a-TiO2 sample was characterized by FESEM, XRD, HRTEM, XPS and UV-visible spectra techniques. The photovoltaic efficiency of...
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