Study of How Photoelectrodes Modified by TiO2/Ag Nanofibers in Various Structures Enhance the Efficiency of Dye-Sensitized Solar Cells under Low Illumination
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Prepaiation of the Electrospun Nanofibers
2.3. Preparation of the TiO2–Ag Composited Photoelectrode
2.4. Fabrication of the Dye-Sensitized Solar Cell
2.5. Measurement System
3. Results and Discussion
3.1. Morphology and Characterization of Ag/ TiO2 Nanofiber
3.2. Ultraviolet–Visible Spectroscopy
3.3. Measurement for the Photovoltaic Parameters of the DSSC
3.4. Performance of the DSSC Under Different Illuminations
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Photoanode | Dye-Loading of N3 (nmol/cm2) |
---|---|
TiO2 | 25.63 |
TANP | 36.89 |
TANLP | 67.76 |
Intensity (mW/cm2) | RS (Ω) | R1 (Ω) | R2 (Ω) | JSC (mA/cm2) | VOC (V) | F. F. (%) | η (%) |
---|---|---|---|---|---|---|---|
100 | 19.09 | 7.88 | 36.91 | 8.36 ± 0.03 | 0.70 ± 0.02 | 68.12 ± 0.18 | 3.99 ± 0.15 |
80 | 19.49 | 8.45 | 40.49 | 6.94 ± 0.03 | 0.69 ± 0.02 | 69.91 ± 0.14 | 4.24 ± 0.13 |
50 | 20.09 | 9.00 | 59.35 | 4.69 ± 0.02 | 0.68 ± 0.01 | 71.02 ± 0.16 | 4.53 ± 0.11 |
30 | 22.17 | 9.71 | 82.55 | 3.01 ± 0.02 | 0.67 ± 0.02 | 71.95 ± 0.15 | 4.84 ± 0.12 |
10 | 22.78 | 13.38 | 218.70 | 0.91 ± 0.01 | 0.66 ± 0.01 | 70.51 ± 0.13 | 4.22 ± 0.14 |
Intensity (mW/cm2) | RS (Ω) | R1 (Ω) | R2 (Ω) | JSC (mA/cm2) | VOC (V) | F. F. (%) | η (%) |
---|---|---|---|---|---|---|---|
100 | 18.37 | 9.11 | 42.72 | 9.31 ± 0.03 | 0.71 ± 0.01 | 69.68 ± 0.53 | 4.61 ± 0.15 |
80 | 18.84 | 9.74 | 46.94 | 7.80 ± 0.02 | 0.70 ± 0.02 | 70.46 ± 0.49 | 4.81 ± 0.13 |
50 | 19.54 | 10.42 | 68.69 | 5.22 ± 0.03 | 0.69 ± 0.02 | 71.52 ± 0.53 | 5.16 ± 0.12 |
30 | 22.00 | 11.34 | 95.48 | 3.41 ± 0.01 | 0.68 ± 0.01 | 72.43 ± 0.51 | 5.60 ± 0.14 |
10 | 22.72 | 15.96 | 252.46 | 1.04 ± 0.01 | 0.66 ± 0.02 | 70.67 ± 0.53 | 4.83 ± 0.12 |
Intensity (mW/cm2) | RS (Ω) | R1 (Ω) | R2 (Ω) | JSC (mA/cm2) | VOC (V) | F. F. (%) | η (%) |
---|---|---|---|---|---|---|---|
100 | 17.69 | 9.70 | 43.40 | 10.05 ± 0.09 | 0.73 ± 0.01 | 69.92 ± 0.51 | 5.13 ± 0.16 |
80 | 18.17 | 10.22 | 49.30 | 8.29 ± 0.12 | 0.72 ± 0.02 | 70.75 ± 0.47 | 5.28 ± 0.14 |
50 | 18.89 | 10.94 | 72.13 | 5.60 ± 0.14 | 0.71 ± 0.01 | 71.84 ± 0.48 | 5.71 ± 0.12 |
30 | 20.41 | 12.84 | 100.28 | 3.67 ± 0.13 | 0.70 ± 0.01 | 72.66 ± 0.45 | 6.23 ± 0.16 |
10 | 21.15 | 17.05 | 265.13 | 1.08 ± 0.13 | 0.69 ± 0.02 | 70.83 ± 0.46 | 5.31 ± 0.13 |
Photoanode | Electron Lifetime under 100 mW/cm2(ms) | Electron Lifetime under 80 mW/cm2(ms) | Electron Lifetime under 50 mW/cm2(ms) | Electron Lifetime under 30 mW/cm2(ms) | Electron Lifetime under 10 mW/cm2(ms) |
---|---|---|---|---|---|
TiO2 | 27.14 | 27.53 | 34.46 | 43.00 | 68.32 |
TANP | 22.62 | 23.54 | 27.32 | 31.59 | 45.24 |
TANLP | 26.34 | 27.70 | 28.46 | 30.75 | 49.16 |
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Nien, Y.-H.; Chen, H.-H.; Hsu, H.-H.; Rangasamy, M.; Hu, G.-M.; Yong, Z.-R.; Kuo, P.-Y.; Chou, J.-C.; Lai, C.-H.; Ko, C.-C.; et al. Study of How Photoelectrodes Modified by TiO2/Ag Nanofibers in Various Structures Enhance the Efficiency of Dye-Sensitized Solar Cells under Low Illumination. Energies 2020, 13, 2248. https://doi.org/10.3390/en13092248
Nien Y-H, Chen H-H, Hsu H-H, Rangasamy M, Hu G-M, Yong Z-R, Kuo P-Y, Chou J-C, Lai C-H, Ko C-C, et al. Study of How Photoelectrodes Modified by TiO2/Ag Nanofibers in Various Structures Enhance the Efficiency of Dye-Sensitized Solar Cells under Low Illumination. Energies. 2020; 13(9):2248. https://doi.org/10.3390/en13092248
Chicago/Turabian StyleNien, Yu-Hsun, Huang-Hua Chen, Hui-Hsuan Hsu, Manjunath Rangasamy, Geng-Ming Hu, Zhen-Rong Yong, Po-Yu Kuo, Jung-Chuan Chou, Chih-Hsien Lai, Cheng-Chu Ko, and et al. 2020. "Study of How Photoelectrodes Modified by TiO2/Ag Nanofibers in Various Structures Enhance the Efficiency of Dye-Sensitized Solar Cells under Low Illumination" Energies 13, no. 9: 2248. https://doi.org/10.3390/en13092248