The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: Tricyclohexylphosphonium tetrafluoroborate( cas:58656-04-5 ) is researched.HPLC of Formula: 58656-04-5.Cao, Jiamin; Qian, Liu; Ding, Liming published the article 《A heptacyclic acceptor unit developed for D-A copolymers used in polymer solar cells》 about this compound( cas:58656-04-5 ) in Polymer Chemistry. Keywords: heptacyclic acceptor unit DA copolymer polymerization solar cell. Let’s learn more about this compound (cas:58656-04-5).
Thiophene rings in the pentacyclic unit TPTI were replaced with thieno[3,2-b]thiophene moieties to produce a new fused-ring acceptor unit TTP. A D-A copolymer PBDTTTP was synthesized via copolymerizing TTP and benzo[1,2-b:4,5-b’]dithiophene (BDT). PBDTTTP possessed an optical bandgap of 2.11 eV, a deep HOMO level of -5.43 eV, and partial crystallinity. PBDTTTP:PC71BM solar cells gave a PCE of 5.53%, and the maximum Voc reached 1 V.
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Reference:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem