Synthesis of Amorphous Conjugated Copolymers Based on Dithienosilole-Benzothiadiazole Dicarboxylic Imide with Tuned Optical Band Gaps and High Thermal Stability
Abstract
:1. Introduction
2. Experimental Section
2.1. Materials
2.2. Measurements
2.3. Polymers Synthesis
3. Results and Discussion
3.1. Polymer Synthesis
3.2. Molecular Weights and Yield of the Polymers
3.3. Optical Properties of the Polymers
3.4. Electrochemical Properties of the Polymers
3.5. Thermal Properties of the Polymers
3.6. Powder X-ray Diffraction of the Polymers
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Polymer | % Yield | Toluene Fraction | Chloroform Fraction | ||||
---|---|---|---|---|---|---|---|
Mn (g mol−1) | Mw (g mol−1) | PDI | Mn (g mol−1) | Mw (g mol−1) | PDI | ||
PDTSDTBTDI-DMO | 92 | 6200 | 20,600 | 3.2 | 14,600 | 79,900 | 5.4 |
PDTSDTBTDI-8 | 57 | 5700 | 14,000 | 2.4 |
Polymer | ε (M−1 cm−1) | Solution | Film | ||
---|---|---|---|---|---|
λmax (nm) | λmax (nm) | λonset (nm) | Eg (eV) | ||
PDTSDTBTDI-DMO | 32,300 | 627 | 689 | 873 | 1.42 |
PDTSDTBTDI-8 | 23,400 | 613 | 670 | 863 | 1.43 |
Polymer | Td (°C) | Eox0 (V) | HOMO (eV) | Ered0 (V) | LUMO (eV) | Eg (elec) (eV) |
---|---|---|---|---|---|---|
PDTSDTBTDI-DMO | 357 | 0.50 | −5.21 | 1.15 | −3.56 | 1.65 |
PDTSDTBTDI-8 | 394 | 0.52 | −5.23 | 1.26 | −3.45 | 1.78 |
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Murad, A.R.; Dannoun, E.M.A.; Aziz, S.B.; Iraqi, A.; Abdullah, S.N.; Nofal, M.M.; Abdullah, R.M. Synthesis of Amorphous Conjugated Copolymers Based on Dithienosilole-Benzothiadiazole Dicarboxylic Imide with Tuned Optical Band Gaps and High Thermal Stability. Appl. Sci. 2021, 11, 4866. https://doi.org/10.3390/app11114866
Murad AR, Dannoun EMA, Aziz SB, Iraqi A, Abdullah SN, Nofal MM, Abdullah RM. Synthesis of Amorphous Conjugated Copolymers Based on Dithienosilole-Benzothiadiazole Dicarboxylic Imide with Tuned Optical Band Gaps and High Thermal Stability. Applied Sciences. 2021; 11(11):4866. https://doi.org/10.3390/app11114866
Chicago/Turabian StyleMurad, Ary R., Elham M. A. Dannoun, Shujahadeen B. Aziz, Ahmed Iraqi, Sozan N. Abdullah, Muaffaq M. Nofal, and Ranjdar M. Abdullah. 2021. "Synthesis of Amorphous Conjugated Copolymers Based on Dithienosilole-Benzothiadiazole Dicarboxylic Imide with Tuned Optical Band Gaps and High Thermal Stability" Applied Sciences 11, no. 11: 4866. https://doi.org/10.3390/app11114866