采用两种碳源合成的碳量子点作为光还原剂,在可见光照射下还原硝酸银(AgNO3)制备出了两种不同尺寸的银/碳量子点(Ag/CDs)复合结构.透射电镜(TEM)结果表明获得了两种尺寸不同的Ag与CDs复合结构.紫外-可见吸收光谱表明尺寸较小的复合结构在可见光区域展现出了更强的光吸收,从而导致了尺寸较小的Ag/CDs复合结构在可见光下对亚甲基兰拥有更强的光降解能力.
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