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制备出一种新的纳米银溶胶，与传统银溶胶相比，不仅可见光透过率高，而且还有较强的表面增强喇曼散射（ＳＥＲＳ）效应当阴、阳离子型分子分别吸附于其表面上时，喇曼与传统银胶相比表观增强分别约为４００ 倍、７０ 倍
A new nano-silver sol was prepared. Compared with the traditional silver sol, it not only has high visible light transmittance, but also has strong surface-enhanced Raman scattering (SERS) effect. When the anionic and cationic molecules are adsorbed on On the surface, Raman compared with the traditional silver plastic apparent enhancements were about 400 times, 70 times