Single-Component Organic Solar Cells Based on Intramolecular Charge Transfer Photoabsorption
Abstract
:1. Introduction
2. Materials and Methods
3. Results
3.1. Film Characterization
3.2. Device Performance Comparison
3.3. Exciton Binding Energy (EBE)
3.4. Effects of Film Structure in the DTDCPB Device
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Material | JSC | VOC | FF | PCE | Photon Energy Loss |
---|---|---|---|---|---|
(mA/cm2) | (V) | (%) | (%) | (V) | |
DTNFMN | 0.00 | 1.05 | 15.5 | 0.00 | 0.72 |
HB194 | 0.12 | 1.25 | 22.6 | 0.04 | 0.60 |
BCNDTS | 0.16 | 1.22 | 23.7 | 0.05 | 0.59 |
DTDCTB | 0.50 | 0.79 | 28.8 | 0.11 | 0.70 |
DTDCPB | 1.00 | 1.03 | 29.1 | 0.30 | 0.69 |
H2Pc | 0.16 | 0.67 | 31.0 | 0.03 | 0.94 |
Compounds | IP (eV) | EA (eV) | Eg (eV) | Ex (eV) | EBE (eV) | Δr (ang) | S |
---|---|---|---|---|---|---|---|
DTDCPB | −5.524 | −3.438 | 2.086 | 2.292 | −0.206 | 6.177 | 0.301 |
DTDCTB | −5.499 | −3.400 | 2.099 | 1.980 | 0.119 | 4.125 | 0.372 |
DTNFMN | −5.554 | −2.837 | 2.717 | 2.425 | 0.292 | 2.694 | 0.378 |
HB194 | −5.901 | −2.800 | 3.101 | 2.561 | 0.540 | 2.505 | 0.307 |
BCNDTS | −5.746 | −3.562 | 2.184 | 2.216 | −0.032 | 0.201 | 0.476 |
Device | JSC | VOC | FF | PCE |
---|---|---|---|---|
(mA/cm2) | (V) | (%) | (%) | |
Normal rate | 1.00 | 1.03 | 29.1 | 0.30 |
High rate | 1.42 | 1.05 | 33.2 | 0.49 |
Heated at 50 °C | 0.17 | 1.07 | 24.5 | 0.04 |
Heated at 100 °C | 0.01 | 0.56 | 25.6 | 0.00 |
Spin-coated | 0.15 | 1.09 | 23.1 | 0.04 |
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Nakayama, K.-i.; Okura, T.; Okuda, Y.; Matsui, J.; Masuhara, A.; Yoshida, T.; White, M.S.; Yumusak, C.; Stadler, P.; Scharber, M.; et al. Single-Component Organic Solar Cells Based on Intramolecular Charge Transfer Photoabsorption. Materials 2021, 14, 1200. https://doi.org/10.3390/ma14051200
Nakayama K-i, Okura T, Okuda Y, Matsui J, Masuhara A, Yoshida T, White MS, Yumusak C, Stadler P, Scharber M, et al. Single-Component Organic Solar Cells Based on Intramolecular Charge Transfer Photoabsorption. Materials. 2021; 14(5):1200. https://doi.org/10.3390/ma14051200
Chicago/Turabian StyleNakayama, Ken-ichi, Tatsuya Okura, Yuki Okuda, Jun Matsui, Akito Masuhara, Tsukasa Yoshida, Matthew Schuette White, Cigdem Yumusak, Phillip Stadler, Markus Scharber, and et al. 2021. "Single-Component Organic Solar Cells Based on Intramolecular Charge Transfer Photoabsorption" Materials 14, no. 5: 1200. https://doi.org/10.3390/ma14051200