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首页> 外文期刊>The journal of physical chemistry, C. Nanomaterials and interfaces >Micro-Nanosized Nontraditional Evaporated Structures Based on Closely Packed Monolayer Binary Colloidal Crystals and Their Fine Structure Enhanced Properties
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Micro-Nanosized Nontraditional Evaporated Structures Based on Closely Packed Monolayer Binary Colloidal Crystals and Their Fine Structure Enhanced Properties

机译：基于紧密堆积的单层二元胶体晶体的微纳米非传统蒸发结构及其优良的结构增强性能

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摘要

Interest in monolayer binary colloidal crystals (bCCs) has long been motivated by their wide applications. Large-area various monolayer bCC patterns are self-assembled in air—water interface and reveal that the structure of closely packed large polystyrene (PS) colloidal spheres is vital to the formation of bCCs. Small spheres may have very limited influence on the final close-packed structure of large spheres; therefore, the periodically ordered bCC patterns can be designed by choosing large colloidal spheres with the needed size. After oxygen plasma treatment, various controllable morphologies of nanoparticles can be achieved by the etched spheres acting as a template during the metal deposition. On the basis of the complex bCC patterns and subsequent oxygen plasma processing, this work points to a new method of designing the dimension and separation of nontraditional evaporated structures, including dot, strip, and block, which demonstrate fine structure enhanced performance. The experimental results are further supported by theoretical calculations.
机译：长期以来，人们对单层二元胶体晶体（bCC）的兴趣是由其广泛的应用引起的。大面积的各种单层bCC模式可在空气-水界面中自组装，这表明紧密堆积的大型聚苯乙烯（PS）胶体球的结构对于bCC的形成至关重要。小球对大球的最终密排结构影响可能非常有限;因此，可以通过选择具有所需尺寸的大胶体球来设计周期性排列的bCC模式。在氧等离子体处理之后，可以通过在金属沉积期间充当模板的蚀刻球体来实现纳米颗粒的各种可控形态。基于复杂的bCC图案和随后的氧等离子体处理，这项工作指出了一种设计非传统蒸发结构（包括点，条和块）的尺寸和间距的新方法，这些结构显示出优良的结构增强性能。实验结果得到理论计算的进一步支持。

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