晶体合体阵列的光流体封装成球形膜
Shin-Hyun Kim1, Seog-Jin Jeon, Seung-Man Yang
1National Creative Research Initiative Center for Integrated Optofluidic Systems and Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, Daejeon, 305-701 Korea.
Journal of the American Chemical Society
|April 9, 2008
概括
光流体合成在光聚合外内创建了稳定的球形晶体体阵列 (CCA). 这些微粒子具有可调节的光子特性,在各种环境中具有更高的稳定性.
科学领域:
- 材料科学 材料科学 材料科学
- 光学是什么?光学是什么?光学是什么?
- 流体动力学 流体动力学
背景情况:
- 传统的薄膜类型的晶体合体阵列 (CCA) 在结构稳定性和环境强度方面存在局限性.
- 开发制造单分散和稳定的CCA的方法对于光子应用至关重要.
研究的目的:
- 开发一种光流体方法来合成被光聚合外封装的球形CCA.
- 研究这些新型核心外微粒的结构,光学和稳定性质.
主要方法:
- 使用光流体装置精确生成双乳液滴.
- 使用可光固化树脂进行外封装和现场光聚合.
- 通过流速调整控制CCA形成和外特性.
主要成果:
- 获得高度单分散的球形CCA,尺寸分布狭窄.
- 在可见范围内展示了可调节的光子带间隙,独立于表面位置.
- 在高离子强度溶液 (1个月) 中表现出增强的稳定性,降低了蒸发速率和对电场的抗性.
结论:
- 光流体合成为结构稳定,球形CCA提供了一条有效的途径.
- 在光聚合外中封装显著提高了CCA的强度和环境稳定性.
- 这些微粒子对先进的光子设备和应用具有前途.
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