论文部分内容阅读
利用水和二茂铁作原料,通过化学气相沉积的方法在950℃以上可以在二氧化硅表面上制备出二氧化铁纳米颗粒组成的圆形图形。研究发现,这些圆形图形的特点,包括图形的平均尺寸和尺寸分布、图形之间的平均间隔、以及组成这些图形的氧化铁纳米颗粒的大小等,同沉积温度、水和二茂铁的比例等密切相关。通过调整这些实验参数,我们在较大面积的二氧化硅基片上成功地制备出氧化铁纳米颗粒的圆形图形阵列。这些圆形图形阵列有可能作为纳米碳管等一维材料的制备模板。这些图形以及组成它们的纳米颗粒的特点有可能对沉积的纳米材料的形貌和性能等产生影响。
Using water and ferrocene as raw materials, a circular pattern of iron oxide nanoparticles can be prepared on the surface of silica by chemical vapor deposition at 950 ° C or above. It has been found that the characteristics of these circular patterns include the average size and size distribution of the patterns, the average spacing between the patterns, the size of the iron oxide nanoparticles constituting the patterns, etc., the same deposition temperature, the ratio of water and ferrocene Closely related. By adjusting these experimental parameters, we successfully fabricated a circular pattern array of iron oxide nanoparticles on a larger area of silica substrate. These circular pattern arrays are likely to be used as templates for the preparation of one-dimensional materials such as carbon nanotubes. These patterns, as well as the characteristics of the nanoparticles that make up them, have the potential to affect the morphology and properties of the deposited nanomaterials.