The plasmon response absorption peak broadens due to the special dendritic nanostructure. 由于树枝状的特殊结构，其等离子体共振吸收峰出现较大的宽化。
And simultaneously, the doping ions, to a certain extent, can restrain the surface plasmon resonance absorption and minish the size of Ag nanoparticles. 在光吸收性能方面，镧和铝的引入都会在一定程度上抑制银粒子的表面等离子共振吸收，同时细化银纳米粒子。
