Heteroepitaxial Growth of Multiblock Ln‐MOF Microrods for Photonic Barcodes

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...

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Bibliographic Details
Published inAngewandte Chemie International Edition Vol. 58; no. 39; pp. 13803 - 13807
Main Authors Yao, Yinan, Gao, Zhenhua, Lv, Yuanchao, Lin, Xianqing, Liu, Yingying, Du, Yuxiang, Hu, Fengqin, Zhao, Yong Sheng
Format Journal Article
LanguageEnglish
Published Germany Wiley Subscription Services, Inc 23.09.2019
EditionInternational ed. in English
Subjects
anti-counterfeiting devices
Bar codes
Data recording
heteroepitaxial growth
Heterostructures
Labels
Ln-MOF
metal–organic frameworks
photonic barcodes
Photonics
Tracking systems
anti-counterfeiting devices
heteroepitaxial growth
Ln-MOF
photonic barcodes
metal-organic frameworks
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Summary: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. Multicolor photonic barcodes have been designed based on 1D Ln‐MOF multiblock heterostructures. The excellent heteroepitaxial growth characteristics of MOFs enable the effective modulation of the coding structures, thereby increasing the encoding capacity remarkably. The multicolor barcodes enable an efficient authentication and pave the way to hybrid MOFs for optical data recording and security labels.
Bibliography:These authors contributed equally to this work.
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ISSN:1433-7851
1521-3773
1521-3773
DOI:10.1002/anie.201907433