以肼为还原剂在平均粒径为104 μm的BN颗粒表面进行了化学镀Ni, 提出了近球 形颗粒表面“扩展-缩小自催化沉积”模型, 较好地解释沉积量随时间的变 化规律. 依此模型推导了化学镀Ni沉积过程的动力学表达式. 观测了不同沉积 时间表面沉积Ni颗粒的SEM形貌变化规律, 证实了动力学模型的正确性.
The kinetic investigation of hydrazine reduction chemical plating nickel on the surface of hexagonal boron nitride with the average diameter 104 μm particles has been carried out. A model, extension-contraction autocatalysis reaction interface, was created which can demonstrate the curves of deposited nickel with time. Based on the model a kinetic expression for the chemical planting process has been derived, and with the expression the experimental kinetic curves could be fitted, experiments verified the model being suitable. SEM morphologies and EDS analysis of the deposited nickel on the BN surface for different times also supported the model.
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