The absorption spectra indicate that the adsorption of dithiooxamide on the silver nanoparticles results in a red-shift in the SPR band, mainly caused by the changes in the microenvironment of the metal nanoparticles and charge density alteration due to t
The absorption spectra indicate that the adsorption of dithiooxamide on the silver nanoparticles results in a red-shift in the SPR band, mainly caused by the changes in the microenvironment of the metal nanoparticles and charge density alteration due to t
吸收光谱结果表明银纳米粒子表面吸附二硫代乙二酰胺分子可导致金属粒子的表面等离子体共振吸收红移，主要与金属粒子的微环境改变以及吸附分子与金属间电荷转移而导致的金属粒子内部电子密度改变有关。