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- Title
Heteroepitaxial Growth of Multiblock Ln‐MOF Microrods for Photonic Barcodes.
- Authors
Yao, Yinan; Gao, Zhenhua; Lv, Yuanchao; Lin, Xianqing; Liu, Yingying; Du, Yuxiang; Hu, Fengqin; Zhao, Yong Sheng
- Abstract
Micro/nanoscale multicolor barcodes with unique identifiability and a small footprint play significant roles in applications such as multiplexed labeling and tracking systems. Now, a strategy is reported to design multicolor photonic barcodes based on 1D Ln‐MOF multiblock heterostructures, where the domain‐controlled emissive colors and different block lengths constitute the fingerprint of a corresponding heterostructure. The excellent heteroepitaxial growth characteristics of MOFs enable the effective modulation of the coding structures, thereby remarkably increasing the encoding capacity. The as‐prepared multicolor barcodes enable an efficient authentication and exhibit great potential in fulfilling the functions of anti‐counterfeiting, information security, and so on. The results will pave an avenue to novel hybrid MOFs for optical data recording and security labels.
- Subjects
BAR codes; MODULATION coding; POTENTIAL functions; DATA security; INFORMATION technology security; TWO-dimensional bar codes; DRUG labeling
- Publication
Angewandte Chemie, 2019, Vol 131, Issue 39, p13941
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201907433