期刊
SMALL SCIENCE
卷 1, 期 6, 页码 -出版社
WILEY
DOI: 10.1002/smsc.202100007
关键词
3D nanostructures; blue-phase liquid crystals; chiral photonics; molecular self-assemblies
资金
- National Natural Science Foundation of China (NSFC) [51973155]
- NSFC International Cooperation and Exchanges Projects [51720105002]
This paper presents the current status and potential applications of 3D photonic nanostructures with intrinsic chirality, focusing on blue-phase liquid crystals (BPLCs) as an innovative example. The inherently self-organized 3D chiral nanostructures have a complete photonic bandgap, resulting in the selective reflection of circularly polarized light. Additionally, recent advancements in the design, synthesis, and properties of BPLCs are summarized.
3D photonic nanostructures with intrinsic chirality have recently entered the research limelight due to their fundamental importance and potential technological applications. Blue-phase liquid crystals (BPLCs) with chiral cubic nanostructures are an inventive example of 3D chiral photonic nanostructures. The inherently self-organized 3D chiral nanostructures give rise to a complete photonic bandgap, which results in the selective reflection of circularly polarized light in all three dimensions. Herein, a comprehensive review of the state-of-the-art of BPLCs and their potential applications is presented. First, the history and fundamentals of BPLCs are introduced. Then, the recent endeavors in the design, synthesis, and properties of BPLCs such as lattice orientation control with different techniques, photonic bandgap tuning with external fields, and fabrication of free-standing BPLC polymer films are summarized. Finally, a discussion of the future challenges and potential applications of BPLCs is provided. It is believed that this review would stimulate innovative ideas for the design and engineering of novel chiral nanostructured materials for advanced photonic systems with tailorable functionalities.
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