侧链上带有C60基团的聚苯乙烯的光电导性能

近几年来,可溶性高分子C60衍生物的合成已取得明显的进展.Weis等[1]报道了以C60封端的聚苯乙烯大分子衍生物,Hawker等[2]合成出聚苯乙烯C60的共聚物.这些单取代的C60衍生物很好地保持了C60原有的性质,加工性能和机械性能均较好.唐本忠等[3]用紫外光照射聚碳酸酯和C60溶液或在AIBN存在的条件下加热以上溶液,得到可溶的聚碳酸酯C60衍生物,该法产率很高(可达99%),且简单易行.Patil等[5]也用类似的方法通过自由基聚合将C60接枝到聚烯烃的高分子链上.我们已报道了将C60接枝到聚烯烃上所得到的共聚物的性能[5,6],但C60高分子衍生物的用途尚不清楚.

Photoconductivity of Polystyrene with C60 in the Side Group

A series of polystyrene resin with C₆₀ in the side group were prepared by chloromethylation, azidation and cycloaddition. In these C₆₀-containing polystyrene resins, the C₆₀ contents are about 2.9% , 6.7% and 11% (mass fraction), respectively. With the increase of C₆₀ content in the C₆₀-containing polystyrene resin, the photoconductivity increases obviously. α-NP as the charge transport material is better than DMMP, which proves that it is very important that charge transport material(CTM) match the charge generation material(CGM). If no charge transport layer in the photoreceptor exsist, the polystyrene resin with C₆₀ in the side group could not show any photoconductivity at all.