Abstract
AbstractHigh‐quality poly(N‐(9‐fluorenylmethoxycarbony)‐glycine) (PFG), a new kind of soluble polyfluorene derivative, was successfully synthesized electrochemically by direct anodic oxidation of N‐(9‐fluorenylmethoxycarbony)‐glycine (FG) in boron trifluoride diethyl etherate (BFEE). The onset oxidation potential of FG in BFEE was only 0.6 V vs. Pt, which was much lower than that in acetonitrile +0.1 mol/L tetrabutylammonium tetra?uoroborate (TBATFB). PFG film obtained from BFEE showed good electrochemical activity and thermal stability. It indicates that BFEE is a better medium for the electrosynthesis of PFG film. PFG is highly soluble in common organic solvents, facilitating potential applications as a blue‐light‐emitting material. Fluorescent spectra revealed that PFG was a good blue‐light emitter. Results of FT‐IR and 1H NMR spectra indicated the polymerization location of N‐(9‐fluorenylmethoxycarbony)‐glycine occurred mainly at C(2) and C(7) positions of the fluorine ring.
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