Xi-Qing LÜ, Huan-Yu ZHANG, Rui LI, Mei ZHANG, Min GUO. Nb2O5 Coating on the Performance of Flexible Dye Sensitized Solar Cell Based on TiO2 Nanoarrays/Upconversion Luminescence Composite Structure [J]. Journal of Inorganic Materials, 2019, 34(6): 590
- Journal of Inorganic Materials
- Vol. 34, Issue 6, 590 (2019)
1. Flow chart of the preparation process of flexible DSSC based on Ti mesh supported Nb2O5@TNWAs/YEF-TiO2-UCNPs composite structure
2. (a) XRD pattern and (b) SEM image of YEF-TiO2-UCNPs; (c) UV-Vis-NIR absorption spectra of YEF-TiO2-UCNPs and P25; (d) Upconversion fluorescence spectra of YEF-TiO2-UCNPs and YE-TiO2-UCNPs, under 980 nm excitation
3. EDS elemental mapping images of Ti, O, F, Er, and Yb in YEF-TiO2-UCNPs
4. (a) Low and (b) high magnification SEM images of Ti mesh supported TNWAs/YEF-TiO2-UCNPs composite structure; (c) J -V curves and photovoltaic properties of DSSCs based on Ti mesh supported TNWAs/P25 and TNWAs/YEF-TiO2- UCNPs composite structures
5. XRD patterns of Nb2O5@TNWAs/YEF-TiO2-UCNPs composite structure photoanodes prepared with different NbCl5 concentrations
6. (a) SEM images of Nb2O5@TNWAs/YEF-TiO2-UCNPs composite structure prepared with different NbCl5 concentrations
7. J -V curves of DSSCs based on Ti mesh supported Nb2O5@TNWAs/YEF-TiO2-UCNPs composite structure prepared with different NbCl5 concentrations
8. UV-Vis absorption spectra of dyes desorbed from corresponding sensitized Nb2O5@TNWAs/YEF-TiO2-UCNPs composite structure photoanodes prepared with different NbCl5 concentrations
9. Schematic diagram of the energy levels of materials in the DSSCs based on Ti mesh supported Nb2O5@TNWAs/YEF- TiO2-UCNPs composite structure
10. EIS plots of DSSCs based on Ti mesh supported Nb2O5@TNWAsYEF-TiO2-UCNPs composite structure prepared with different NbCl5 concentrations: Nyquist plots of DSSCs under (a) dark and (b) illumination; (c) Bode plots of DSSCs under dark; (d) Equivalent circuit of DSSCs
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Table 1. Photoelectric properties of DSSCs based on Ti mesh supported Nb2O5@TNWAs/YEF-TiO2-UCNPs composite structure prepared with different NbCl5 concentrations
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Table 2. EIS data of DSSCs based on Ti mesh supported Nb2O5@TNWAs/YEF-TiO2-UCNPs composite structure prepared with different NbCl5 concentrations after fitting by equivalent circuit
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