Issue 8, 2017
From the journal:

Nanoscale

Anti-counterfeiting patterns encrypted with multi-mode luminescent nanotaggants†

Tianying Sun,a   Bingzhe Xu,b   Bing Chen,a   Xian Chen,a   Mingyu Li,*c   Peng Shi*b  and  Feng Wang ORCID logo *ad  

* Corresponding authors

a Department of Physics and Materials Science, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, China
E-mail: fwang24@cityu.edu.hk

b Department of Mechanical and Biomedical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, China
E-mail: pengshi@cityu.edu.hk

c State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, China
E-mail: limy@zju.edu.cn

d City University of Hong Kong Shenzhen Research Institute, Shenzhen 518057, China

Abstract

Anti-counterfeiting patterns are encrypted with nanotaggants that are selectively excited at distinct wavelengths. Decryption is realized by examining the temporal color or graphic responses of the pattern under various illumination wavelengths. The covert color and graphic codes that are designable through control of the nanotaggant composition are expected to provide high-level security.

Graphical abstract: Anti-counterfeiting patterns encrypted with multi-mode luminescent nanotaggants

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Article information

DOI
https://doi.org/10.1039/C6NR09083D
Article type
Communication
Submitted
22 Nov 2016
Accepted
30 Jan 2017
First published
31 Jan 2017

Nanoscale, 2017,9, 2701-2705

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Anti-counterfeiting patterns encrypted with multi-mode luminescent nanotaggants

T. Sun, B. Xu, B. Chen, X. Chen, M. Li, P. Shi and F. Wang, Nanoscale, 2017, 9, 2701 DOI: 10.1039/C6NR09083D

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