Add time:08/27/2019         Source:sciencedirect.com

While WCl6–Ph4Sn is a poor catalyst for the polymerization of 1-phenyl-1-butyne (PB) at room temperature, it effectively polymerizes PB in the presence of C60, giving high molecular weight polymers in high yields. The polymers are soluble in common solvents such as THF and chloroform, and spectroscopic analysis reveals that C60 has copolymerized with PB. Thus, C60 plays the dual roles of comonomer and cocatalyst in the acetylene polymerization. While it has often been reported that C60 quenches photoluminescence (PL) of conjugated copolymers, the C60-containing polyacetylene emits strong blue light, whose intensity is about two times higher than that of the PL of the parent PPB.

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