Citation: Hong Yao XU, Shan Yi GUANG, Ben Zhong TANG. Synthesis and optical limiting in copolymers of C₆₀ and 1-phenyl-1-butyne[J]. Chinese Chemical Letters, ;2000, 11(1): 21-22. shu

Synthesis and optical limiting in copolymers of C₆₀ and 1-phenyl-1-butyne

a Department of Chemistry, Anhui University, Hefei 230039;
b Department of Chemistry, Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong

Received Date: 21 June 1999

Fund Project: This work was in part supported by the National Natural Science Foundation of China and the Hong Kong Research Grants Council (HKUST 6062/98P and DAG 96/97.SCII).

While WCl₆-Ph₄Sn is a poor catalyst for the polymerization of 1-phenyl-butyne (PB) at room temperature, it effectively polymerizes PB in the presence of C₆₀, giving high molecular weight polymers in high yields. The polymer is soluble in THF and chloroform and spectroscopic analysis reveals that C₆₀ has copolymerized with PB. Thus, C₆₀ plays dual roles of comonomer and cocatalyst in the acetylene polymerization. The copolymers strongly attenuate 532-nm laser pulses, whose limiting performance is superior to that of parent C₆₀.
- C₆₀,
- polyacetylene,
- fullerene polymer
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