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|a 10.1002/adma.202314201
|2 doi
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|a pubmed24n1432.xml
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|a (DE-627)NLM369340647
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|a (NLM)38444232
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|a DE-627
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|c DE-627
|e rakwb
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|a rum
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|a Feng, Dengchong
|e verfasserin
|4 aut
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|a Viscoelasticity‐Controlled Relaxation in Wrinkling Surface for Multistage Time‐Resolved Optical Information Encryption
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 07.06.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a As counterfeit techniques continue to evolve, ensuring the security of conventional "static" encryption methods becomes increasingly challenging. Here, the viscoelasticity-controlled relaxation is introduced for the first time in a bilayer wrinkling system by regulating the density of hydrogen bond networks in polymer to construct a "dynamic" encryption material. The wrinkling surface can manipulate light during the dynamic relaxation process, exhibiting three stages with frosted glass, structural color, and mirror reflection. By regulating the viscoelasticity of skin layer through UV irradiation, the wavelength and the relaxation rate of the wrinkles can be controlled. As a result, dynamic wrinkling anti-counterfeiting patterns and time-resolved multistage information encryption are achieved. Crucially, the encryption material is developed as an anti-counterfeiting label for packing boxes in daily applications, allowing the encrypted information to be activated manually and identified by naked eyes, surpassing the existing time-resolved encryption materials in utilization potential. Besides, the dynamic hydrogen bond networks are extended to various dynamic interaction networks, demonstrating the versatility of the dynamic encryption strategy. This work not only provides an additional dimension for dynamic information encryption in daily practical use, but also offers theoretical guidance for the development of advanced optical anti-counterfeiting and smart display materials in the future
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|a English Abstract
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|a Journal Article
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|a dynamic encryption
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|a time‐resolved optical encryption
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|a viscoelasticity‐controlled relaxation
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|a wrinkling surface
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|a Guo, Qi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Zhenjie
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Baiyang
|e verfasserin
|4 aut
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| 700 |
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|a Gong, Li
|e verfasserin
|4 aut
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|a Lu, Shaolin
|e verfasserin
|4 aut
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|a Yang, Yuzhao
|e verfasserin
|4 aut
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|a Yu, Dingshan
|e verfasserin
|4 aut
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|a Zheng, Zhikun
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Xudong
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 23 vom: 05. Juni, Seite e2314201
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:23
|g day:05
|g month:06
|g pages:e2314201
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|u http://dx.doi.org/10.1002/adma.202314201
|3 Volltext
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