Photoluminescent and chromic nanomaterials for anticounterfeiting technologies: recent advances and future challenges

A Abdollahi, H Roghani-Mamaqani, B Razavi… - ACS …, 2020 - ACS Publications
Counterfeiting and inverse engineering of security and confidential documents, such as
banknotes, passports, national cards, certificates, and valuable products, has significantly …

Luminescence anti‐counterfeiting: from elementary to advanced

X Yu, H Zhang, J Yu - Aggregate, 2021 - Wiley Online Library
Luminescence anti‐counterfeiting derives from the easily changeable luminescence
behaviors of luminescence materials under the regulation of various external stimuli (such …

Interplay of defect levels and rare earth emission centers in multimode luminescent phosphors

X Zhou, L Ning, J Qiao, Y Zhao, P Xiong… - Nature Communications, 2022 - nature.com
Multimode luminescence generally involves tunable photon emissions in response to
various excitation or stimuli channels, which demonstrates high coding capacity and …

Materials with tunable optical properties for wearable epidermal sensing in health monitoring

F Han, T Wang, G Liu, H Liu, X Xie, Z Wei… - Advanced …, 2022 - Wiley Online Library
Advances in wearable epidermal sensors have revolutionized the way that physiological
signals are captured and measured for health monitoring. One major challenge is to convert …

High-security anti-counterfeiting through upconversion luminescence

H Suo, Q Zhu, X Zhang, B Chen, J Chen, F Wang - Materials Today Physics, 2021 - Elsevier
Upconversion luminescence is characterized by the conversion of near-infrared excitation
into ultraviolet and visible emissions through a special class of doped optical materials …

What happens when halide perovskites meet with water?

S Cheng, H Zhong - The Journal of Physical Chemistry Letters, 2022 - ACS Publications
Halide perovskites are considered to be next-generation semiconductor materials with bright
prospects to advance the technology of photonics and optoelectronics. Because of the …

Multiple stimuli‐response polychromatic carbon dots for advanced information encryption and safety

Y Wu, X Chen, W Wu - Small, 2023 - Wiley Online Library
Optical information encryption and safety have aroused great attention since they are closely
correlated to data protection and information safety. The development of multiple stimuli …

Halide perovskite memristors as flexible and reconfigurable physical unclonable functions

RA John, N Shah, SK Vishwanath, SE Ng… - Nature …, 2021 - nature.com
Abstract Physical Unclonable Functions (PUFs) address the inherent limitations of
conventional hardware security solutions in edge-computing devices. Despite impressive …

Ultra‐Sensitive, Selective and Repeatable Fluorescence Sensor for Methanol Based on a Highly Emissive 0D Hybrid Lead‐Free Perovskite

DY Li, JH Song, Y Cheng, XM Wu, YY Wang… - Angewandte …, 2022 - Wiley Online Library
A convenient and rapid detection method for methanol in ethanol remains a major challenge
due to their indistinguishable physical properties. Herein, a novel fluorescence probe based …

Moisture‐induced reversible phase conversion of cesium copper iodine nanocrystals enables advanced anti‐counterfeiting

F Zhang, W Liang, L Wang, Z Ma, X Ji… - Advanced Functional …, 2021 - Wiley Online Library
Hydrochromic materials have attracted widespread attention in the fields of anti‐
counterfeiting because of their ability of the reversible light absorption and/or emission …