Synthetic Aspects and Electro-Optical Properties of Fluorinated Arylenevinylenes for Luminescence and Photovoltaics
Abstract
:1. Introduction
2. Results and Discussion
2.1. Fluorinated Oligo(arylenevinylene)s
2.1.1. Synthesis
2.1.2. Spectroscopic Properties of Oligo(arylenedifluorovinylene)s
Oligomer | Molar Absorptivity ε (×103 M−1 cm−1) (λ, nm) | Emission λmax (nm) | Φ (%) (solvent) |
---|---|---|---|
7 | 13 (302), 12 (342) | 436 | 0.87 (CH2Cl2) |
8 | 14 (283), 6 (342) | 440 | 0.97 (DMSO) |
10 | 14 (352) | 466 | 5.4 (MeOH) |
14 | 29 (295) | 458 | 0.43 (CH2Cl2) |
20 | 19 (276), 41 (376) | 444, 471 | 8.12 (CH2Cl2) |
2.1.3. Application of Oligomer 7 in a Chemical Sensor for Herbicide
2.2. Fluorinated Poly(arylenevinylene)s
2.2.1. Synthesis of Poly(arylenevinylene)s Fluorinated on the Aromatic Ring
2.2.2. Optical and Electro-Optical Properties of Poly(arylenevinylene)s Fluorinated on the Aromatic Ring
2.2.3. Synthesis of Poly(arylenevinylene)s Fluorinated on the Vinylene Units
Polymer | Yield (%) | Mw | Mw/Mn |
---|---|---|---|
48 | 55 | 65150 | 1.6 |
MEH-PPDFV | 87 | 47000 | 1.7 |
49 | 82 | 45600 | 2.0 |
50 | 50 | 47100 | 2.9 |
Polymer | Yield (%) | Mw | Mw/Mn |
---|---|---|---|
PDTBTV | 70 | 36,900 | 4.67 |
PDTBTFV | 75 | 43,700 | 4.46 |
2.2.4. Optical and Electro-Optical Properties of Poly(arylenevinylene)s Fluorinated on the Vinylene Units
2.2.5. Photovoltaic Performance of PDTBTFV and PDTBTV in BHJ Solar Cells: Effects of Fluorination of Double Bonds
Polymer | Polymer/PCBM Weight ratio | VOC [V] | ISC [mA cm−2] | FF [%] | η [%] |
---|---|---|---|---|---|
PDTBTFV | 2:7 | 0.73 | 2.94 | 38.57 | 0.83 |
3:7 | 0.75 | 3.55 | 37.97 | 1.05 | |
1:1 | 0.83 | 4.32 | 34.56 | 1.24 | |
PDTBTV | 2:7 | 0.55 | 3.33 | 28.83 | 0.53 |
3:7 | 0.56 | 2.42 | 24.50 | 0.33 | |
1:1 | 0.43 | 3.15 | 33.51 | 0.46 |
3. Conclusions
Acknowledgments
References and Notes
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Martinelli, C.; Farinola, G.M.; Pinto, V.; Cardone, A. Synthetic Aspects and Electro-Optical Properties of Fluorinated Arylenevinylenes for Luminescence and Photovoltaics. Materials 2013, 6, 1205-1236. https://doi.org/10.3390/ma6041205
Martinelli C, Farinola GM, Pinto V, Cardone A. Synthetic Aspects and Electro-Optical Properties of Fluorinated Arylenevinylenes for Luminescence and Photovoltaics. Materials. 2013; 6(4):1205-1236. https://doi.org/10.3390/ma6041205
Chicago/Turabian StyleMartinelli, Carmela, Gianluca M. Farinola, Vita Pinto, and Antonio Cardone. 2013. "Synthetic Aspects and Electro-Optical Properties of Fluorinated Arylenevinylenes for Luminescence and Photovoltaics" Materials 6, no. 4: 1205-1236. https://doi.org/10.3390/ma6041205