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                            Library & Multimedia
 Printed multilayer microtaggants with phase change nanoparticles for enhanced labeling security
NCJ Number
              256069
Journal

*Appl. Mater. Interface* Volume: 6 Dated: 2014 Pages: 8909
Author(s)
          B. Duong;
                        H. Liu;
                        C. Li;
                        W. Deng;
                        L. Ma;
                        M. Su
Date Published

2014
Length
              1 page
Annotation
              Since there is an urgent need to develop taggants that can be used to identify objects, prevent fraud, and deter counterfeiting with high reliability, high capacity, and minimal effort, this  article describes a new multilayer covert taggant based on phase change nanoparticles (metals and eutectic alloys).
Abstract
              A panel of selected nanoparticles with different melting temperatures have been added in matrix materials together with fluorescent dye and printed on substrates to form micro-/macrofeatures that contain thermal, fluorescence signature, and structural components. The multilayer taggants can greatly enhance security level for many commercial and forensic applications by their extremely large labeling capacity, coding readiness, and covertness. (publisher abstract modified)
      
  
          Additional Details
Grant Number(s)
        2012-DN-BX-K021


  
  
        
  Agencies
        NIJ-Sponsored


  
  
        
  Award
        Encapsulated phase change nanoparticles as thermally-readable covert taggants
    
  
  
Date Published: January 1, 2014
    
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