Structural color‐based physical unclonable function

X Lin, D Shi, G Yi, D Yu - Responsive Materials, 2024 - Wiley Online Library
Commodity fraud poses significant economic and public health risks while jeopardizing
market stability. A promising avenue for addressing this issue involves the incorporation of …

Aggregation induced emission based active conjugated imidazole luminogens for visualization of latent fingerprints and multiple anticounterfeiting applications

MK Ravindra, GP Darshan, DR Lavanya… - Scientific reports, 2021 - nature.com
Aggregation-induced emission based organic heterocyclic luminogens bearing conjugated
electronic structures showed much attention due to its excellent fluorescence in aggregation …

Inkjet-printed quantum dot fluorescent security labels with triple-level optical encryption

X Zheng, Y Zhu, Y Liu, L Zhou, Z Xu… - … Applied Materials & …, 2021 - ACS Publications
Optical security labels play a significant role in protecting both our wealth and health.
However, simultaneously meeting the requirements including low-cost fabrication, easy …

Novel intense blue emitting Bi2Zr2O7: Ce3+ nanocomposites insertion into flexible polymer films for anti-counterfeiting, long-term storage fingerprints, and display …

KN Narasimhamurthy, BRR Krushna… - Materials Today …, 2023 - Elsevier
The development of multifunctional organic/inorganic hybrid materials for anti-counterfeiting
and food packaging applications can be achieved through the use of polymer …

Ordered porous films of biomass-based polymers by breath figure: a review

W Liu, C Li, X Lin, H Xie, Y Chen, Z Li, G Zeng - Cellulose, 2022 - Springer
Ordered porous films of polymers with uniform pore size and ordered porous structure are
extensively applied in many fields such as separation, biology, photoelectric devices …

Unclonable photonic crystal hydrogels with controllable encoding capacity for anticounterfeiting

J Wu, J Li, X Liu, L Gong, J Chen, Z Tang… - … Applied Materials & …, 2021 - ACS Publications
Inspired by the formation of random sparkling microcrystallines in naturally precious opals,
we develop a new strategy to produce a class of unclonable photonic crystal hydrogels …

Dynamic anti-counterfeiting security features using multicolor dianthryl sulfoxides

J Yuan, PR Christensen, MO Wolf - Chemical Science, 2019 - pubs.rsc.org
A new concept for difficult-to-replicate security inks for use in advanced anti-counterfeiting
applications is presented. Inks fabricated from a mixture of photoactive dyes result in a …

Highly flexible dual-mode anti-counterfeiting designs based on tunable multi-band emissions and afterglow from chromium-doped aluminates

H Yang, W Zhao, E Song, R Yun, H Huang… - Journal of Materials …, 2020 - pubs.rsc.org
Fluorescent materials generally show diverse light emission, simple manufacturing
processes, long service life, and long-term reliability properties, and they have gradually …

Invisible NIR Spectral Imaging and Laser‐Induced Thermal Imaging of Na(Nd/Y)F4@glass with Opposite Effect for Optical Security

S Wang, J Zhu, Y He, Z Li, J Lin, S Liao… - Laser & Photonics …, 2022 - Wiley Online Library
Currently, advanced optical security techniques are imminent in response to the increasingly
rampant counterfeit and pirated goods on a global scale. Herein, hexagonal Na (NdxY1− x) …

Faithful fabrication of biocompatible multicompartmental memomicrospheres for digitally color‐tunable barcoding

G Tang, L Chen, Z Wang, S Gao, Q Qu, R Xiong… - Small, 2020 - Wiley Online Library
Barcodes have attracted widespread attention, especially for the multiplexed bioassays and
anti‐counterfeiting used toward medical and biomedical applications. An enabling gas …