Characterization of co-deposition behavior of ultrafine particles with plated films for fabrication of highly functional composite materials

1.超声波的应用是有效的，以分散纳米/微米尺寸的金刚石颗粒2。采用混酸热处理的方法对纳米金刚石的共沉积量进行了细化处理，得到了稳定、重复性好的结果.以蒸镀碳薄膜支撑样品，适合于镀膜的显微观察.络合剂对纳米粒子在化学镀镍中的共沉积行为有显著影响。特别是柠檬酸盐对大量共沉积有很好的效果。采用混酸法对纳米金刚石进行表面修饰，得到了亲水性较好的表面。这导致了大量的共沉积。金属离子与镀层之间的相互作用是大量共沉积的关键。这是通过粒子与镀膜之间的相互作用以及金属离子与粒子之间的相互作用来实现的.在纳米粒子的复合镀中，粒子表面的作用和镀覆前沿（表面）的作用变得非常重要。制备大颗粒共沉积的纳米复合镀层材料，应适当保持颗粒表面、镀层前沿和金属络合物之间的相互作用。这是纳米复合电镀成功的关键。

1. Application of ultrasonic wave is effective in order to disperse the nano/micron-sized diamond particles2. Constant and reproducible results of codeposition amount of nanodiamond was achieved by the refinement process which was processed by the heat treatment in mixed acid.3. To support the sample by an evaporated carbon thin film was suitable for microscopic observation of the plated films.4. Complexing agents had significant effects on the co-deposition behavior of the nano-particles in electroless nickel plating. Especially, citrate was very effective on large amount co-deposition.5. A highly hydrophilic surface of nanodiamond was made by the refinement process in mixed acid. It resulted in the large amount co-deposition.6. The interaction between metal ion and a plated film was most important for the large amount co-deposition. It was realized by the presence of both the interactions, the interaction between a particle and a plated film, and the interaction between metal ion and a particle.7. The role of the particle surface and the role of the plating frontier (surface) becomes much important in the composite plating of nanoparticles. The interactions among the particle surface, the plating frontier and the metal complex should be appropriately maintained in order to fabricate the nano-composite plated materials of large-amount-particle co-deposition. It is the essential of the successful nano-composite plating.