Application In Synthesis of Tricyclohexylphosphonium tetrafluoroborate. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Tricyclohexylphosphonium tetrafluoroborate, is researched, Molecular C18H34BF4P, CAS is 58656-04-5, about Synthesis of new n-type isoindigo copolymers. Author is Grenier, Francois; Berrouard, Philippe; Pouliot, Jean-Remi; Tseng, Hsin-Rong; Heeger, Alan J.; Leclerc, Mario.
Three new n-type copolymers were synthesized using the isoindigo monomer. 5-Octylthieno[3,4-c]pyrrole-4,6-dione (TPD), 5,5′-dioctyl-1,1′-4H-bithieno[3,4-c]pyrrole-4,4′,6,6′(5H,5’H)-tetrone (BTPD) and 3,6-bis(thiophen-2-yl)-2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4-dione (DPP) were utilized as electron-withdrawing comonomers to obtain reduced or low bandgap n-type copolymers with deep HOMO and LUMO energy levels. The TPD and BTPD copolymers were synthesized using direct arylation polymerization and show band gaps of 1.72 and 1.75 eV, resp. Their LUMO and HOMO energy levels are also low at -4.2 and -6.0 eV, resp. We investigated their electron mobility using thin film transistors and achieved electron mobility as high as 3.0 × 10-4 and 3.5 × 10-3 cm2 s-1 V-1 for the TPD and BTPD copolymers. The DPP copolymer was synthesized using Suzuki conditions and shows a low bandgap of 1.35 eV and a low LUMO energy level of -4.0 eV. The DPP copolymer exhibits an electron mobility of 2.7 × 10-4 cm2 s-1 V-1. All these polymers show interesting properties as potential electron acceptors in all-polymer solar cells.
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Reference:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem