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Beilstein J. Org. Chem. 2017, 13, 863–873, doi:10.3762/bjoc.13.87
Graphical Abstract
Scheme 1: Synthetic route towards monomers M1, M2 and M3.
Scheme 2: Synthesis of polymers P1, P2, and P3.
Figure 1: Isodensity surface plots of frontier molecular orbitals and optimized molecular geometries of P1, P2...
Figure 2: Theoretical absorption spectra of the polymers P1–P3 calculated using TDDFT.
Figure 3: Electrochemical spectra of polymers P1–P3.
Figure 4: Normalized absorption spectra of the polymers in solution, film and annealed film (130 °C) forms.
Figure 5: Photoluminescence spectra of polymers P1–P3 and polymer:PC70BM blends.
Figure 6: Bulk heterojunction solar cells device architecture, illustrating favorable conditions for absorpti...
Figure 7: J–V Spectra in chlorobenzene (CB) for which the ratio of polymer:PC70BM was optimized as follows: P1...
Figure 8: External quantum efficiency spectra of optimized devices fabricated with polymers P1, P2 and P3 and...
Beilstein J. Org. Chem. 2014, 10, 2683–2695, doi:10.3762/bjoc.10.283
Figure 1: Chemical structures of DPP core 1 and BODIPY core 2.
Scheme 1: Synthesis of triads 9 and 10. Reagents and conditions: (i) phosphoryl chloride, N,N-dimethylformami...
Figure 2: Cyclic voltammetry of 9 (black) and 10 (red) in solution (left) and thin-film (right). The experime...
Figure 3: Normalised UV–vis absorption spectra of 9 (black), 10 (red) and DPP core (11, green) in dichloromet...
Figure 4: Structure of the dithieno-DPP (11) core.
Figure 5: BOD-T4 structure reported by Harriman et al. [50].
Figure 6: Electrostatic potential charges for each unit in compounds 9 and 10: radical anion (blue), neutral ...
Figure 7: Electrostatic potential charges for each unit in (2Th)2DPP and (3Th)2DPP radical anion (blue), neut...
Figure 8: Frontier orbitals for radical anion SOMO (top), neutral HOMO (bottom) of 9 (left) and 10 (right).
Figure 9: Incident photon to converted electron (IPCE) ratio or external quantum efficiency (EQE) for 9:PC71B...
Figure 10: J–V for 9:PC71BM (1:3) and 10:PC71BM (1:3) in the dark.
Figure 11: J–V for 9:PC71BM (1:3) and 10:PC71BM (1:3) under illumination at 100 mW cm−2 with an AM1.5 G source....
Figure 12: Tapping mode AFM height images for 9:PC71BM (1:3) (left) and 10:PC71BM (1:3) (right) on fused silic...