Metal-Free Organic Chromophores Featuring an Ethynyl-Thienothiophene Linker with an n-Hexyl Chain for Translucent Dye-Sensitized Solar Cells
Abstract
:1. Introduction
2. Results and Discussion
2.1. Synthesis
2.2. Characterization
2.3. Theoretical Calculations
2.4. Dye-Sensitized Solar Cells
3. Materials and Methods
3.1. General
3.2. Syntheses
3.3. Computational Details
3.4. DSSC Fabrication and Photovoltaic Measurements
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Conflicts of Interest
References
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Dyes | λmax/λonset (nm) | Eg (optical) (eV) | Eox (V) | Ered (V) | IP (eV) | EA (eV) | Eg (e-chem) (eV) |
---|---|---|---|---|---|---|---|
CSD-03 | 419/499 | 2.48 | 0.52 | −1.35 | −5.32 | −3.45 | 1.87 |
CSD-04 | 455/550 | 2.25 | 0.53 | −1.32 | −5.34 | −3.48 | 1.85 |
Dyes (Soaking Time) | Voc (V) | Jsc (mA/cm2) | FF | η (%) |
---|---|---|---|---|
CSD-03 (3 h) | 0.627 ± 0.013 | 12.55 ± 0.18 | 69.4 ± 1.1 | 5.46 ± 0.03 |
CSD-03 (6 h) | 0.619 ± 0.022 | 12.64 ± 0.68 | 69.1 ± 0.2 | 5.41 ± 0.08 |
CSD-03 (12 h) | 0.6111 ± 0.004 | 11.15 ± 0.51 | 68.7 ± 0.3 | 4.69 ± 0.27 |
CSD-04 (3 h) | 0.587 ± 0.004 | 14.85 ± 0.29 | 58.2 ± 1.4 | 5.07 ± 0.18 |
CSD-04 (6 h) | 0.576 ± 0.009 | 13.86 ± 0.35 | 65.2 ± 1.0 | 5.20 ± 0.03 |
CSD-04 (12 h) | 0.587 ± 0.016 | 12.974 ± 0.42 | 64.1 ± 0.9 | 4.88 ± 0.01 |
N719 (3 h) | 0.608 ± 0.003 | 14.74 ± 0.47 | 62.1 ± 0.1 | 5.57 ± 0.21 |
N719 (24 h) | 0.671 ± 0.001 | 14.95 ± 0.39 | 59.1 ± 0.6 | 5.92 ± 0.01 |
Dyes | Rtr (Ω) | Rrec (Ω) | Cμ (mF) | τe (ms) | ηcc (%) |
---|---|---|---|---|---|
CSD-03 (3 h) | 5.68 | 84.46 | 0.08 | 6.34 | 93.70 |
CSD-04 (3 h) | 11.99 | 111.20 | 0.05 | 5.65 | 90.27 |
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Lim, D.-S.; Park, K.-W.; Wiles, A.A.; Hong, J. Metal-Free Organic Chromophores Featuring an Ethynyl-Thienothiophene Linker with an n-Hexyl Chain for Translucent Dye-Sensitized Solar Cells. Materials 2019, 12, 1741. https://doi.org/10.3390/ma12111741
Lim D-S, Park K-W, Wiles AA, Hong J. Metal-Free Organic Chromophores Featuring an Ethynyl-Thienothiophene Linker with an n-Hexyl Chain for Translucent Dye-Sensitized Solar Cells. Materials. 2019; 12(11):1741. https://doi.org/10.3390/ma12111741
Chicago/Turabian StyleLim, Dong-Suk, Kwang-Won Park, Alan A. Wiles, and Jongin Hong. 2019. "Metal-Free Organic Chromophores Featuring an Ethynyl-Thienothiophene Linker with an n-Hexyl Chain for Translucent Dye-Sensitized Solar Cells" Materials 12, no. 11: 1741. https://doi.org/10.3390/ma12111741
APA StyleLim, D. -S., Park, K. -W., Wiles, A. A., & Hong, J. (2019). Metal-Free Organic Chromophores Featuring an Ethynyl-Thienothiophene Linker with an n-Hexyl Chain for Translucent Dye-Sensitized Solar Cells. Materials, 12(11), 1741. https://doi.org/10.3390/ma12111741