Anti‐Counterfeiting Application of Persistent Luminescence Materials and Its Research Progress

J Zhang, Z Wang, X Huo, X Meng… - Laser & Photonics …, 2024 - Wiley Online Library
Persistent luminescent materials can continue to emit light after stopping excitation, and their
stored energy is gradually released during the decay time after persistent emitting, which …

Ultrahigh PLQY Lead‐Free Organic–Inorganic Hybrid Zirconium‐Based Perovskites in Anticounterfeiting Applications

Z Wang, J Lai, Q Huang, D Wu, F Qi… - Advanced Optical …, 2023 - Wiley Online Library
Organic hybrid halide perovskite, which has excellent characteristics of low cost, nontoxicity,
and high recognition, has attracted extensive attention in optical anticounterfeiting …

Colour evolution of dynamic persistent luminescence of Zn 3 Ga 2 Ge 2 O 10: Cr 3+, Mn 2+ phosphors for advanced anti-counterfeiting

X Zhang, X Hou, J Gao, Z Wang, X Zhao… - Journal of Materials …, 2023 - pubs.rsc.org
Persistent luminescent anti-counterfeiting materials and techniques are highly required to
protect products and the rights and interests of consumers. However, traditional persistent …

Absolute quantum yield for understanding upconversion and downshift luminescence in PbF 2: Er 3+, Yb 3+ crystals

E Madirov, D Busko, IA Howard, BS Richards… - Physical Chemistry …, 2023 - pubs.rsc.org
The search for new materials capable of efficient upconversion continues to attract attention.
In this work, a comprehensive study of the upconversion luminescence in PbF2: Er3+, Yb3+ …

Smart Anti‐Counterfeiting Inks: Controlled Luminescence Polarization and Its Fixation by Photoisomerization and Subsequent Photopolymerization of Cyanostilbene …

J Koo, M Kim, J Hyeong, D Yu, S Kim… - Advanced Optical …, 2023 - Wiley Online Library
To identify and protect authentics from counterfeits, anti‐counterfeiting materials are
developed. In spite of many advances in luminescent anti‐counterfeiting materials, there is …

Highly transparent Ce3+, Cr3+ co-doped GYAGG single crystals with enhanced persistent luminescence

T Delgado, D Rytz, G Cai, M Allix, E Veron… - Ceramics …, 2023 - Elsevier
Despite significant interest in persistent luminescence materials, the focus of all recent works
remains on the exploitation of materials in powder form. Here, a new point of view based on …

Leveraging a smartphone to perform time-gated luminescence measurements

BE Fratto, EL Culver, G Davis, R Deans, JB Goods… - Plos one, 2023 - journals.plos.org
Empowered by advanced on-board sensors, high-performance optics packages and ever-
increasing computational power, smartphones have democratized data generation …

Ultra-high-resolution greyscale fluorescence images via UV-exposure of thin flexible phosphor films

N Riesen, C Priest, DG Lancaster, K Badek, H Riesen - Nanoscale, 2023 - pubs.rsc.org
Thin films of BaFCl: Sm nanocrystals prepared using a polymer binder were used to create
fluorescence images. The phosphor films were exposed to a UV-C mercury lamp light …

Manganese-doped zinc germanate phosphors with vivid luminescent properties for anti-counterfeit applications

Z Yang, LD Spencer, DR Patocka, A Putta… - Optical Materials, 2023 - Elsevier
Fluorescent materials are commonly used in optical labels for anti-counterfeiting purposes.
However, these well-known materials can be vulnerable to forgery. It is thus essential to …

Crystal structural effects on up/down-conversion luminescence properties of GdInO3:Tm,Yb perovskite phosphors for effective dual-mode anti-counterfeit applications

X Wang, K Feng, L Shan, J Zou, B Lu - Optics Express, 2024 - opg.optica.org
Developing advanced luminescent materials that are recognizable under specified
conditions provides better opportunity for reliable optical anti-counterfeiting techniques. In …