Nanophotonic structural colors

SD Rezaei, Z Dong, JYE Chan, J Trisno… - ACS …, 2021 - portal.findresearcher.sdu.dk
Structural colors traditionally refer to colors arising from the interaction of light with structures
with periodicities on the order of the wavelength. Recently, the definition has been …

Malus-metasurface-assisted polarization multiplexing

L Deng, J Deng, Z Guan, J Tao, Y Chen… - Light: Science & …, 2020 - nature.com
Polarization optics plays a pivotal role in diffractive, refractive, and emerging flat optics, and
has been widely employed in contemporary optical industries and daily life. Advanced …

Achieving opto-responsive multimode luminescence in Zn1+ xGa2− 2xGexO4: Mn persistent phosphors for advanced anti-counterfeiting and information encryption

D Gao, Q Kuang, F Gao, H Xin, S Yun, Y Wang - Materials Today Physics, 2022 - Elsevier
Optical characteristics of phosphors, eg color output, decay process and external field
stimulation mode (including opto-, thermo-and mechano-stimulation), play an important role …

Nanophotonic structural colors

S Daqiqeh Rezaei, Z Dong, J You En Chan… - ACS …, 2020 - ACS Publications
Structural colors traditionally refer to colors arising from the interaction of light with structures
with periodicities on the order of the wavelength. Recently, the definition has been …

Stretchable, flexible, and transparent SrAl2O4: Eu2+@ TPU ultraviolet stimulated anti-counterfeiting film

W Gao, W Ge, J Shi, Y Tian, J Zhu, Y Li - Chemical Engineering Journal, 2021 - Elsevier
Innovative anti-counterfeiting materials have triggered extensive interest to improve the
counterfeiting of the packaging market. To exploit anti-counterfeiting mechanically reliable …

Thieno [3, 4‐c][1, 2, 5] thiadiazole‐based organic conjugated molecules with visible and near‐infrared dual emissions for luminescent anti‐counterfeiting applications

Y Li, J Sun, M Chen, S Miao, M Liu, Y Ma… - Advanced Functional …, 2022 - Wiley Online Library
Luminescence materials have gained extensive attention in anti‐counterfeiting owing to
their unique superiorities. Visible‐near infrared (vis‐NIR) dual emission that combines …

Tri-functional metasurface enhanced with a physically unclonable function

SD Rezaei, Z Dong, H Wang, J Xu, H Wang, MT Yaraki… - Materials Today, 2023 - Elsevier
In optical anti-counterfeiting, several distinct optically variable devices (OVDs) are often
concurrently employed to compensate for the insufficient security level of constituent OVDs …

Control of conductive filament growth in flexible organic memristor by polymer alignment

HL Park, MH Kim, SH Lee - Organic Electronics, 2020 - Elsevier
This study investigates the dynamics for conductive filament growth in organic memristors
from the viewpoint of the ionic transport by controlling the ordering of polymer molecules …

The Creation of Multimode Luminescent Phosphor through an Oxygen Vacancy Center for High-Level Anticounterfeiting

F Men, T Hu, Z Jiang, H Yang, Y Gao… - Inorganic Chemistry, 2023 - ACS Publications
Integrating multimode optical properties into a single material simultaneously is promising
for improving the security level of fluorescent anticounterfeiting. However, there has been a …

[HTML][HTML] A texture-hidden anti-counterfeiting QR code and authentication method

T Wang, H Zheng, C You, J Ju - Sensors, 2023 - mdpi.com
This paper designs a texture-hidden QR code to prevent the illegal copying of a QR code
due to its lack of anti-counterfeiting ability. Combining random texture patterns and a refined …