中文摘要：

在晶种存在的条件下,以十六烷基三甲基氯化铵为表面活性剂,抗坏血酸为还原剂制备纳米金多面体.研究了还原剂的浓度、晶种的含量对产物的影响,用透射电子显微镜和紫外-可见分光光度计表征产物的形貌及光学性质.结果表明：控制抗坏血酸的浓度可获得十二面体、立方块以及不规则多边形结构,晶种的含量在一定程度上也影响产物的形貌.

英文摘要：

Gold nanopolyhedrons were acid as reducing agent in the presence prepared using cetyhrimethylammonium of seed. The influences of concentration chloride as surfactant, ascorbic of reducing agent and amount of seed were investigated. The morphologies and optical properties of the obtained nanostructure were characterized by transmission electron microscopy （TEM） and UV-Vis spectrophotometer, respectively. The result shows that dodecahedron, cube and irregular polyhedron can be obtained by controlling the concentration of ascorbic acid. The amount of seed also affects the morphology of the products.