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- Title
Continuous resin refilling and hydrogen bond synergistically assisted 3D structural color printing.
- Authors
Zhang, Yu; Zhang, Lidian; Zhang, Chengqi; Wang, Jingxia; Liu, Junchao; Ye, Changqing; Dong, Zhichao; Wu, Lei; Song, Yanlin
- Abstract
3D photonic crystals (PCs) have attracted extensive attention due to their unique optical properties. However, fabricating 3D PCs structure by 3D printing colloidal particles is limited by control of assembly under a fast-printing speed. Here, we employ continuous digital light processing (DLP) 3D printing strategy with hydrogen bonds assisted colloidal inks for fabricating well-assembled 3D PCs structures. Stable dispersion of colloidal particles inside UV-curable system induced by hydrogen bonding and suction force induced by continuous curing manner cooperatively realize the simultaneous macroscopic printing and microscopic particle assembly, which endows volumetric color property. Structural color can be well regulated by controlling the particle diameter and printing speed, through which various complex 3D structures with desired structural color distribution and optical light-guide properties are acquired. This 3D color construction approach shows great potential in customized jewelry accessories, decoration and optical device preparation, and will innovate the development of structural color. 3D photonic crystals (PCs) attract attention due to their unique optical properties but printing of colloidal particles is limited by lack of control over the assembly. Here, the authors demonstrate a continuous digital light processing 3D printing strategy using hydrogen bond assisted colloidal inks for fabricating well-assembled 3D PC structures.
- Subjects
STRUCTURAL colors; COLOR printing; HYDROGEN bonding; OPTICAL devices; PHOTONIC crystals; COLLOIDAL crystals
- Publication
Nature Communications, 2022, Vol 13, Issue 1, p1
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-022-34866-6