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author:

Fang, Xiao (Fang, Xiao.) [1] | Lu, Yongfeng (Lu, Yongfeng.) [2] | Chen, Xin (Chen, Xin.) [3] (Scholars:陈新) | Cheng, Hongrui (Cheng, Hongrui.) [4] | Qiu, Haijiang (Qiu, Haijiang.) [5] | Zheng, Yuanhui (Zheng, Yuanhui.) [6] (Scholars:郑远辉) | Zhu, Jiefang (Zhu, Jiefang.) [7]

Indexed by:

EI Scopus SCIE

Abstract:

Labels based on physical unclonable functions (PUFs) have been proven to be some of the most effective anticounterfeiting strategies. However, it is still challenging to develop PUF-based anticounterfeiting labels with low prices, simple manufacturing, and easy authentication. Herein, photochromic PUF labels are fabricated by randomly dispersing highly crystalline carbon nitride (HCCN) particles in poly(vinyl acetate) (PVAc). The color of the PVAc/HCCN films originating from photochromism is used as the first layer of safety, which is verified by the naked eye. The pattern of the randomly distributed HCCN particles within the photochromic area (i.e., the PUF) is used as the second layer of security. The PUF can be read out by any smartphone equipped with a portable objective and then automatically authenticated by computer vision technology. We further prove the accurate and feasible authentication of the prepared PUFs and their application potentials.

Keyword:

anticounterfeiting carbon nitride nanosheets photochromism physical unclonable functions random distribution

Community:

  • [ 1 ] [Fang, Xiao]Fuzhou Univ, Coll Chem, Fujian Prov Key Lab Adv Inorgan Oxygenated Mat, Fuzhou 350116, Peoples R China
  • [ 2 ] [Lu, Yongfeng]Fuzhou Univ, Coll Chem, Fujian Prov Key Lab Adv Inorgan Oxygenated Mat, Fuzhou 350116, Peoples R China
  • [ 3 ] [Chen, Xin]Fuzhou Univ, Coll Chem, Fujian Prov Key Lab Adv Inorgan Oxygenated Mat, Fuzhou 350116, Peoples R China
  • [ 4 ] [Cheng, Hongrui]Fuzhou Univ, Coll Chem, Fujian Prov Key Lab Adv Inorgan Oxygenated Mat, Fuzhou 350116, Peoples R China
  • [ 5 ] [Zheng, Yuanhui]Fuzhou Univ, Coll Chem, Fujian Prov Key Lab Adv Inorgan Oxygenated Mat, Fuzhou 350116, Peoples R China
  • [ 6 ] [Cheng, Hongrui]Fujian Sci & Technol Innovat Lab Optoelect Informa, Fuzhou 350116, Peoples R China
  • [ 7 ] [Zheng, Yuanhui]Fujian Sci & Technol Innovat Lab Optoelect Informa, Fuzhou 350116, Peoples R China
  • [ 8 ] [Zheng, Yuanhui]Fuzhou Univ, Coll Phys & Informat Engn, Fuzhou 350116, Peoples R China
  • [ 9 ] [Zhu, Jiefang]Uppsala Univ, Dept Chem, Angstrom Lab, SE-75121 Uppsala, Sweden

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Source :

ACS APPLIED NANO MATERIALS

ISSN: 2574-0970

Year: 2022

5 . 9

JCR@2022

5 . 3 0 0

JCR@2023

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:91

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 19

SCOPUS Cited Count: 19

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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