||This study uses the combination of block copolymer and metal nanoparticles to array ordered structure and specific physical properties such as optics, electricity and magnetism. In this first part, 2-phenylethanethiol was used as the monolayer-protected gold nanoparticles (nps) and dispersed in block copolymer PS-b-PB-E thin film. Two different methods are compared, the first method was PS-b-PB-E thin film by partial crosslinked treatment then the 2-phenylethanethiol of monolayer-protected gold nanoparticles soaked into PS-b-PB-E thin film. The second method was blended gold nps within PS-b-PB-E directly. We found that the first method was better than second method which had arrangement dispersedly. The analyses of UV-VIS, TEM, and SAXS measurement are able to provide the positive evidence to characterize the dispersion of gold nps in diblock copolymer thin film. |
In the second part, we design to manufacture the multi-nanoholes golden electrode, which has many application in catalysis, selective transit function and fuel cell electrode. We use the PS-b-PB-E copolymer as the spherical micelle, which is the templates and then micelle surface reaction in mercaptane (S-H) function. Gold nps will use the exchange stabilizing ligands method in the micelle surface layer, and the porous gold electrode material by way of the heat treatment step.