以N-甲基咪唑和溴代正丁烷为起始原料,采用两步法合成了1-丁基-3-甲基咪唑四氟硼酸盐离子液体,并对所合成的离子液体做了红外光谱表征.在1-丁基-3-甲基咪唑四氟硼酸盐离子液体中,利用硼氢化钠还原氯金酸,制备了纳米金.紫外-可见光谱和透射电镜(TEM)试验结果表明,所制备的纳米金以链状为主.离子液体在纳米金制备过程中不仅起到了溶剂作用,还起到了修饰剂的作用.
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