The Availability of Neutral Cyan, Green, Blue and Purple Colors from Simple D–A Type Polymers with Commercially Available Thiophene Derivatives as the Donor Units
Abstract
:1. Introduction
2. Experimental
2.1. Materials
2.2. Analysis Method
2.3. Synthesis
3. Results and Discussion
3.1. Electrochemical Polymerization
3.2. Redox Behaviour
3.3. Morphology
3.4. Optical Properties of the Monomers and Films
3.5. The Dependence of Optical Absorption on the Biased Potentials
3.6. Optical Switching Performance
4. Conclusions
Supplementary Materials
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Compounds | Eonset, vs. (Ag-wire) (V) | λmax (nm)/λonset (nm) | Eg a (eV) | HOMO b (eV) | LUMO c (eV) | ΔE d (eV) | HOMO d (eV) | LUMO d (eV) |
---|---|---|---|---|---|---|---|---|
M1 | 0.77 | 322,461/534 | 2.32 | −5.19 | −2.87 | 2.83 | −5.06 | −2.23 |
M2 | 0.90 | 310,407/517 | 2.39 | −5.32 | −2.93 | 2.89 | −5.31 | −2.42 |
M3 | 0.97 | 314,403/511 | 2.42 | −5.39 | −2.97 | 2.94 | −5.31 | −2.37 |
M4 | 1.05 | 313,403/499 | 2.49 | −5.47 | −2.98 | 2.95 | −5.39 | −2.44 |
P1 | −0.11 | 427,764/839 | 1.48 | −4.31 | −2.83 | - | - | - |
P2 | −0.17 | 377,749/915 | 1.36 | −4.25 | −2.89 | - | - | - |
P3 | 0.06 | 406,679/840 | 1.49 | −4.48 | −2.99 | - | - | - |
P4 | 0.17 | 362,560/808 | 1.54 | −4.59 | −3.05 | - | - | - |
PMFTQ e | −0.40 | - | 1.26 | - | - | - | - | - |
PMFEQ e | −0.18 | - | 1.22 | - | - | - | - | - |
Polymer | E, vs. (Ag-wire) (V) | CIELAB 1976 (L*a*b*) | CIE 1931 Color coordinates | ||
---|---|---|---|---|---|
L* | a* | b* | |||
P1 | −0.8 | 78.76 | −30.32 | 17.42 | x = 0. 30; y = 0.40 |
0 | 82.58 | −14.93 | 10.26 | x = 0. 31; y = 0.36 | |
1.1 | 87.35 | −3.17 | 5.97 | x = 0.32; y = 0.34 | |
P2 | −0.5 | 61.81 | −33.03 | 21.24 | x = 0.30; y = 0.43 |
0.5 | 67.30 | −12.22 | 15.04 | x = 0.32; y = 0.38 | |
1.05 | 68.26 | −5.88 | 11.69 | x = 0.33; y = 0.36 | |
P3 | −0.5 | 64.92 | −19.46 | −7.40 | x = 0.26; y = 0.33 |
0.5 | 71.36 | −12.22 | 3.10 | x = 0.30; y = 0.35 | |
1.1 | 75.89 | −7.69 | 6.92 | x = 0.31; y = 0.36 | |
P4 | −0.5 | 46.88 | 2.26 | −20.01 | x = 0.26; y = 0.27 |
0.75 | 64.30 | −6.79 | 5.38 | x = 0.31; y = 0.35 | |
1.2 | 68.60 | −3.17 | 7.96 | x = 0.33; y = 0.35 |
Compounds | λ (nm) | Optical contrast (ΔT%) | Response time (s) | Coloration efficiency (CE, cm2 C−1) |
---|---|---|---|---|
P1 | 760 | 47 | 0.24 | 264.7 |
1420 | 65 | 1.21 | 247.6 | |
1560 | 70 | 0.60 | 300.0 | |
P2 | 750 | 38 | 1.00 | 185.4 |
1000 | 54 | 0.80 | 135.3 | |
1900 | 70 | 1.80 | 254.4 | |
P3 | 410 | 25 | 2.32 | 171.3 |
690 | 34 | 3.00 | 252.8 | |
1560 | 80 | 0.83 | 350.0 | |
P4 | 558 | 23 | 0.34 | 102.1 |
1390 | 60 | 0.83 | 243.4 | |
1825 | 77 | 0.84 | 210.6 | |
PMFTQ a | 560 | 18 | 1.6 | - |
790 | 60 | 1.4 | - | |
1300 | 80 | 1.8 | - | |
PMFEQ a | 443 | 22 | 0.8 | - |
780 | 28 | 0.7 | - | |
1600 | 76 | 1.0 | - |
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Kong, L.; Wang, M.; Ju, X.; Zhao, J.; Zhang, Y.; Xie, Y. The Availability of Neutral Cyan, Green, Blue and Purple Colors from Simple D–A Type Polymers with Commercially Available Thiophene Derivatives as the Donor Units. Polymers 2017, 9, 656. https://doi.org/10.3390/polym9120656
Kong L, Wang M, Ju X, Zhao J, Zhang Y, Xie Y. The Availability of Neutral Cyan, Green, Blue and Purple Colors from Simple D–A Type Polymers with Commercially Available Thiophene Derivatives as the Donor Units. Polymers. 2017; 9(12):656. https://doi.org/10.3390/polym9120656
Chicago/Turabian StyleKong, Lingqian, Min Wang, Xiuping Ju, Jinsheng Zhao, Yan Zhang, and Yu Xie. 2017. "The Availability of Neutral Cyan, Green, Blue and Purple Colors from Simple D–A Type Polymers with Commercially Available Thiophene Derivatives as the Donor Units" Polymers 9, no. 12: 656. https://doi.org/10.3390/polym9120656