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氨配体调控硼氢化物还原法制备银纳米颗粒的尺寸与 ...
Abstract 研究采用Creighton法(BH 4? 化学还原)从Ag 2 SO 4 和AgNO 3 前驱体制备银纳米颗粒(Ag 0 -NPs),发现即使SO 42? 和NO 3? 对Ag + 配位能力弱,两者所得NPs在尺寸、晶体结构和催化性能上差异显著。引入NH 3 后,NPs尺寸增大且结晶学特征改变,证实溶液组分微小变化可深刻影响Ag 0 -NPs的成核与生长机制。
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