Solution-Processable Benzo[b]thieno[2,3-d]thiophene Derivatives as Organic Semiconductors for Organic Thin-Film Transistors
Abstract
:1. Introduction
2. Experimental
2.1. General Substances and Procedures
2.2. Synthesis
2.2.1. Synthesis of Benzo[b]thieno[2,3-d]thiophen-2-yltributylstannane (1)
2.2.2. Preparation of 2-(benzo[b]thieno[2,3-d]thiophen-2-yl)dibenzo[b,d]thiophene (2)
2.2.3. Preparation of 2-(benzo[b]thiophen-6-yl)benzo[b]thieno[2,3-d]thiophene (3)
2.3. Theoretical Calculation
2.4. Device Production
2.5. Device and Film Characterization
3. Results and Discussion
3.1. Synthesis
3.2. Thermal, Optical, and Electrochemical Features of Synthesized Compounds
3.3. Theoretical Calculation
3.4. Characterization of the Microstructure and Morphology of the Thin-Films
3.5. Field-Effect Transistor Characterization
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Td (°C) a | Tm (°C) b | λmax (nm) c | λonset (nm) c | Egap (eV) c | Eoxonset (V) d | EHOMO (eV) d | ELUMO (eV) e | ||
---|---|---|---|---|---|---|---|---|---|
Solution | Film | ||||||||
2 | 281 | 194 | 335 | 311 | 384 | 3.23 | 1.16 | −5.49 | −2.26 |
3 | 248 | 191 | 350 | 328 | 385 | 3.22 | 1.18 | −5.51 | −2.29 |
Compound | µavg (cm2/Vs) (µmax (cm2/Vs)) | Ion/Ioff | Vth (V) |
---|---|---|---|
2 | 0.0003± 0.0001 (0.0003) | (1.0 ± 0.3) × 105 | −3 ± 1.0 |
3 | 0.0045 ± 0.0005 (0.005) | (1.7 ± 0.5) × 106 | −5 ± 1.0 |
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Kim, S.; Ryu, S.; Ahn, J.; Kim, D.; Marrocchi, A.; Kim, C.; Seo, S. Solution-Processable Benzo[b]thieno[2,3-d]thiophene Derivatives as Organic Semiconductors for Organic Thin-Film Transistors. Coatings 2023, 13, 1417. https://doi.org/10.3390/coatings13081417
Kim S, Ryu S, Ahn J, Kim D, Marrocchi A, Kim C, Seo S. Solution-Processable Benzo[b]thieno[2,3-d]thiophene Derivatives as Organic Semiconductors for Organic Thin-Film Transistors. Coatings. 2023; 13(8):1417. https://doi.org/10.3390/coatings13081417
Chicago/Turabian StyleKim, Seongyun, Soomin Ryu, Jihae Ahn, Dongkyu Kim, Assunta Marrocchi, Choongik Kim, and SungYong Seo. 2023. "Solution-Processable Benzo[b]thieno[2,3-d]thiophene Derivatives as Organic Semiconductors for Organic Thin-Film Transistors" Coatings 13, no. 8: 1417. https://doi.org/10.3390/coatings13081417