Modified metal nanoparticle and method for manufacturing the same
AssigneeNational Cheng Kung University
InventorsChia-Yun Chen, Ta-Cheng Wei, Tzu-Yu Ou, Meng-Chen Lo
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Abstract
A method for manufacturing modified metal nanoparticles includes steps as follows. Metal nanoparticles are provided, wherein each of the metal nanoparticles is a gold nanoparticle or a silver nanoparticle. An ascorbic acid solution is provided, wherein the ascorbic acid solution includes ascorbic acid molecules and/or ascorbic acid ions. A surface modification step is conducted, wherein the metal nanoparticles and the ascorbic acid solution are mixed, such that surfaces of the metal nanoparticles are modified by the ascorbic acid molecules and/or ascorbic acid ions to obtain the modified metal nanoparticles.
Claims6
A method for manufacturing modified metal nanoparticles, comprising:
- providing metal nanoparticles, wherein each of the metal nanoparticles is a gold nanoparticle or a silver nanoparticle, the metal nanoparticles are provided by a metal nanoparticle-containing solution, a concentration of the metal nanoparticles in the metal nanoparticle-containing solution ranges from 5×10−6 M to 5×10−2 M;
- providing an ascorbic acid solution, wherein the ascorbic acid solution comprises ascorbic acid molecules and/or ascorbic acid ions, a concentration of the ascorbic acid molecules and/or the ascorbic acid ions in the ascorbic acid solution ranges from 5 wt % to 15 wt %;
- and
- conducting a surface modification step, wherein the metal nanoparticles and the ascorbic acid solution are mixed, a volume ratio of the metal nanoparticle-containing solution and the ascorbic acid solution ranges from 1:0.8 to 1:1.2, such that surfaces of the metal nanoparticles are modified by the ascorbic acid molecules and/or ascorbic acid ions to obtain the modified metal nanoparticles.
Dependencies are inferred from the claim text.