Journal
ADVANCED MATERIALS
Volume 33, Issue 45, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202105418
Keywords
aggregation-induced emission; fluorescence; hydrogen bonding; information storage; supramolecular adhesion
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Funding
- Huazhong University of Science and Technology
- Fundamental Research Funds for the Central Universities [2020kfyXJJS013]
- National Natural Science Foundation of China [22001087]
- Open Fund of Hubei Key Laboratory of Material Chemistry and Service Failure, Huazhong University of Science and Technology [2020MCF08]
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By preparing aggregation-induced emission (AIE) supramolecular adhesive hydrogels with different fluorescent colors, and using the Codes in Code method, a large amount of information can be stored in these hydrogels.
With the continuous advancement of information technology, the requirements for the information storage capacity of materials are getting higher and higher. However, information code materials usually only store a single piece of information. In order to improve their storage capacity, aggregation-induced emission (AIE) supramolecular adhesive hydrogels with different fluorescent colors are prepared, and a Codes in Code method is used to demonstrate the storage capacity for large amounts of information. Four kinds of poly(vinyl alcohol) (PVA) supramolecular hydrogels with different fluorescent colors are prepared; based on the hydrogen bonds on the hydrogel surface, these hydrogels can be assembled into a hydrogel, G5, which shows multiple fluorescent colors under the irradiation of UV light. When many 1D barcode patterns or/and 2D code patterns are incorporated into G5, not only a kind of 3D information but also plenty of 1D or/and 2D information can be stored. Therefore, the information codes prepared by the Codes in Code method can store a large amount of information.
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