Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 56, Issue 46, Pages 14582-14586Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201708802
Keywords
domain and orientation control; epitaxial growth; hetero-Ln MOF; hierarchical single crystals; metal-organic frameworks; multicolor luminescence 3D coding
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Funding
- NSFC [21720102007, 21771197, 21573291]
- NSF of Guangdong Province [S2013030013474]
- FRF for the Central Universities
- STPP of Guangzhou [201504010031]
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Core-shell or striped heteroatomic lanthanide metal-organic framework hierarchical single crystals were obtained by liquid-phase anisotropic epitaxial growth, maintaining identical periodic organization while simultaneously exhibiting spatially segregated structure. Different types of domain and orientation-controlled multicolor photophysical models are presented, which show either visually distinguishable or visible/near infrared (NIR) emissive colors. This provides a new bottom-up strategy toward the design of hierarchical molecular systems, offering high-throughput and multiplexed luminescence color tunability and readability. The unique capability of combining spectroscopic coding with 3D (three-dimensional) microscale spatial coding is established, providing potential applications in anti-counterfeiting, color barcoding, and other types of integrated and miniaturized optoelectronic materials and devices.
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