Geminate labels programmed by two-tone microdroplets combining structural and fluorescent color.
Geminate labels programmed by two-tone microdroplets combining structural and fluorescent color.
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由结合结构颜色和荧光颜色的双色调微滴编程的双生标签
DOI:
10.1038/s41467-021-20908-y
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发表时间:
2021-01-29
影响因子:
16.6
通讯作者:
Yu Y
中科院分区:
文献类型:
--
作者:
Qin L;Liu X;He K;Yu G;Yuan H;Xu M;Li F;Yu Y
Creating a security label that carries entirely distinct information in reflective and fluorescent states would enhance anti-counterfeiting levels to deter counterfeits ranging from currencies to pharmaceuticals, but has proven extremely challenging. Efforts to tune the reflection color of luminescent materials by modifying inherent chemical structures remain outweighed by substantial trade-offs in fluorescence properties, and vice versa, which destroys the information integrity of labels in either reflection or fluorescent color. Here, a strategy is reported to design geminate labels by programming fluorescent cholesteric liquid crystal microdroplets (two-tone inks), where the luminescent material is ‘coated’ with the structural color from helical superstructures. These structurally defined microdroplets fabricated by a capillary microfluidic technique contribute to different but intact messages of both reflective and fluorescent patterns in the geminate labels. Such two-tone inks have enormous potential to provide a platform for encryption and protection of valuable authentic information in anti-counterfeiting technology.
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影响因子:
29.4
作者:
Li, Juntao;Bisoyi, Hari Krishna;Li, Quan
通讯作者:
Li, Quan
影响因子:
29.4
作者:
Kunzelman, Jill;Kinami, Maki;Weder, Christoph
通讯作者:
Weder, Christoph
影响因子:
16.6
作者:
Gao Z;Han Y;Wang F
通讯作者:
Wang F
影响因子:
29.4
作者:
Kragt, Augustinusj J.;Hoekstra, Davey C.;Schenning, Albertus P. H. J.
通讯作者:
Schenning, Albertus P. H. J.
影响因子:
64.8
作者:
BROER, DJ;LUB, J;MOL, GN
通讯作者:
MOL, GN