ANTI-COUNTERFEITING

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Structural Color Dynamic Graphics Display Based on Microlens Array
《印刷与数字媒体技术研究》2025年第2期162-168,共7页LI Xue-han LIU Ling-zhi HUANG Min LI Xiu 
北京印刷学院科研创新团队项目(No.BIGC Ec202003、No.BIGC Eb202102)。
It is of great scientific significance to construct a 3D dynamic structural color with a special color effect based on the microlens array.However,the problems of imperfect mechanisms and poor color quality need to be...
关键词：Structural color Microlens array Dynamic graphics display Moirémagnification Optical anti-counterfeiting 
Carbon dots-engineered gold nanoclusters in silica enabled aqueous phase fluorescence-phosphorescence dual-emission towards advanced luminescent anti-counterfeiting
《Nano Research》2025年第2期858-868,共11页Xiaojian Yan Lin Wang Wencheng Zhong Ximeng Wang Wenxing Gao Li Shang 
This work is supported by the National Natural Science Foundation of China(No.22274131);the Shenzhen Science and Technology Program(No.JCYJ20220530161800001);the Innovation Foundation for Doctor Dissertation of Northwestern Polytechnical University(No.CX2024054).
Development of new anti-counterfeiting technology with dynamic optical signals has drawn great attention,but the use of multiple external stimulus or long-time light irradiation inevitably increases the operation comp...
关键词：gold nanoclusters carbon dots FLUORESCENCE PHOSPHORESCENCE ANTI-COUNTERFEITING 
Regulating room temperature phosphorescence of carbazole quaternization pyridine in polymer through Hofmeister effect
《Aggregate》2024年第6期202-213,共12页Runying He Yun Yang Qian Zhou Shasha Chang Yi Cheng Xiurong Ma Yonggang Shi Liyan Zheng Qiue Cao 
National Natural Science Foundation of China,Grant/Award Numbers:21964020,22164020;Ten Thousand Talent Plans for Young Top-notch Talents of Yunnan Province,Grant/Award Number:C6193044;Natural Science Foundation of Yunnan Province,Grant/Award Number:K264202210049;Research Innovation Project of Yunnan University for Graduate Students on Exemption,Grant/Award Number:TM-23236836。
Hofmeister effect is a famous physical chemistry phenomenon that was reported a hundred years ago,which firstly refers to the action of certain salts to decrease the solubility of proteins while others increase.The Ho...
关键词：ANTI-COUNTERFEITING Hofmeister quaternization pyridine room temperature phosphorescence 
Responsive organic room-temperature phosphorescence materials for spatial-time-resolved anti-counterfeiting
《Chinese Chemical Letters》2024年第11期475-480,共6页Jiayin Zhou Depeng Liu Longqiang Li Min Qi Guangqiang Yin Tao Chen 
financially supported by the National Natural Science Foundation of China(No.22205249);Zhejiang Provincial Natural Science Foundation of China(No.LQ23B040002);the Sino-German Mobility Program(No.M-0424);Ningbo International Cooperation Project(No.2023H019);China Postdoctoral Science Foundation(Nos.2021TQ0341,2022M723252)。
Stimulus-responsive room-temperature phosphorescence(RTP)materials have gained significant attention for their important optoelectronic application prospects.However,the fabrication strategy and underlying mechanism o...
关键词：Room-temperature phosphorescence PH-RESPONSIVE Hydrogen bonding interactions Spatial-time-resolved anti-counterfeiting TERPYRIDINE 
Efficient tunable visible and near-infrared emission in Sb^(3+)/Sm^(3+)-codoped Cs_(2)NaLuCl_6 for near-infrared light-emitting diode,triple-mode fluorescence anti-counterfeiting and information encryption
《Chinese Chemical Letters》2024年第11期571-576,共6页Hui Peng Xiao Wang Weiguo Huang Shuiyue Yu Linghang Kong Qilin Wei Jialong Zhao Bingsuo Zou 
Scientific and Technological Bases and Talents of Guangxi(Nos.Guike AD23026119,AD21238027);the Guangxi National Science Fundation Project(No.2020GXNSFDA238004);the“Guangxi Bagui Scholars”foundation for financial support。
Rare earth ions(RE^(3+))-doped double perovskites have attracted tremendous attention for its fascinating optical properties.Nevertheless,RE^(3+)generally exhibits poor photoluminescence quantum yield(PLQY)for their p...
关键词：Rare earth-based double perovskites Self-trapped exciton Near-infrared emission Energy transfer Multifunctional applications 
Five-level anti-counterfeiting based on versatile luminescence of tri-doped double perovskites
《Nano Research》2024年第11期9971-9979,共9页Xingru Yang Yuhang Sheng Linglong Zhang Lun Yang Fangjian Xing Yunsong Di Cihui Liu Fengrui Hu Xifeng Yang Guofeng Yang Yushen Liu Zhixing Gan 
supported by the Natural Science Foundation of Shandong Province(No.ZR2021YQ32);China Postdoctoral Science Foundation(No.2023M740472);the National Natural Science Foundation of China(Nos.62074019,62174016,and 62375028);Partial support was given by the Taishan Scholars Program of Shandong Province(No.tsqn201909117);Opening Foundation of Hubei Key Laboratory of Photoelectric Materials and Devices(No.PMD202401);the special fund for Science and Technology Innovation Teams of Shanxi Province.
Luminescent materials with multi-emission features are difficult to be replicated, which are highly desirable for advanced anti-counterfeiting. Here, we report the pioneering synthesis of Mn^(2+)/Yb^(3+)/Er^(3+) tri-d...
关键词：ANTI-COUNTERFEITING PHOTOLUMINESCENCE self-trapped excitons UPCONVERSION 
The possibilities of using a mixture of PDMS and phosphor in a wide range of industry applications
《Opto-Electronic Advances》2024年第11期39-59,共21页Rodrigo Rendeiro Jan Jargus Jan Nedoma Radek Martinek Carlos Marques 
European Union under the REFRESH-Research Excellence For REgion Sustainability and High-tech Industries project number CZ.10.03.01/00/22003/0000048 via the Operational Programme Just Transition;Ministry of Education,Youth,and Sports of the Czech Republic con-ducted by the VSB-Technical University of Ostrava,under grant no.SP2024/081;projects CI-CECO(LA/P/0006/2020,UIDB/50011/2020&UIDP/50011/2020)and Di-giAqua(PTDC/EEI-EEE/0415/2021);financed by national funds through the(Portuguese Science and Technology Foundation/MCTES(FCT I.P.)).
A mixture of polydimethylsiloxane (PDMS) doped with phosphor particles can be found across diverse industries having different applications. This mixture plays a particularly important role in the field of lighting, w...
关键词：PDMS PHOSPHOR white LED's display flexible light devices ANTI-COUNTERFEITING luminescence thermometry visible light communication MECHANOLUMINESCENCE 
Fluorescent,multifunctional anti-counterfeiting,fast response electrophoretic display based on TiO_(2)/CsPbBr_(3)composite particles
《Light(Science & Applications)》2024年第10期2168-2178,共11页Guangyou Liu Xinzao Wu Feng Xiong Jinglan Yang Yunhe Liu Jie Liu Zhuohang Li Zong Qin Shaozhi Deng Bo-Ru Yang 
supported by National Key Research and Development Program of China(2022YFB3602803);the MOST(2022YFA1203003);the Key-Area Research and Development Program of Guangdong Province(2019B010934001);Scientific and Technological Projection of Guangdong province No:2020B1212060030.
Traditional optical anti-counterfeiting(AC)is achieved by static printed images,which makes them susceptible to lower levels of security and easier replication.Therefore,it is essential to develop AC device with dynam...
关键词：dynamic COMPOSITE AMBIENT 
Multicolor Anti-counterfeiting Strategy and Synchronous High Capacity Storage Based on Acidochromic Organic Fluorescent Materials被引量：2
《Chinese Journal of Chemistry》2024年第19期2363-2369,共7页Ying Fang Jun-Yu Luan Li-Hao Liu Ying-Qing Huang Yi-Ning Luo Kun-Peng Wang Shaojin Chen Hai-Yu Hu Zhi-Qiang Hu 
supported by the National Natural Science Foundation of China(22377064 and 21702114);CAMS Innovation Fund for Medical Sciences(CIFMS)(2021-12M-1-054);Youth Innovation Team Development Program of Shandong Higher Education Institutions(2022KJC004).
Comprehensive Summary Many industries are plagued by economic losses and product failures caused by counterfeit goods.Therefore,advanced anti-counterfeiting techniques are continuously needed.In this study,we construc...
关键词：Cyclic chalcones ANTI-COUNTERFEITING ENCRYPTION Acid sensitivity Organic fluorescent dye 
Authentication through residual attention-based processing of tampered optical responses
《Advanced Photonics》2024年第5期41-50,共10页Blake Wilson Yuheng Chen Daksh Kumar Singh Rohan Ojha Jaxon Pottle Michael Bezick Alexandra Boltasseva Vladimir M.Shalaev Alexander V.Kildishev 
supported in part by the U.S.Department of Energy(DOE)Office of Science,through the Quantum Science Center(QSC),the National Quantum Information Science Research Center(algorithm development),the National Science Foundation(NSF);Purdue’s Elmore ECE Emerging Frontiers Center“The Crossroads of Quantum and AI.”。
The global chip industry is grappling with dual challenges:a profound shortage of new chips and a surge of counterfeit chips valued at$75 billion,introducing substantial risks of malfunction and unwanted surveillance....
关键词：machine learning PLASMONICS physical unclonable function ANTI-COUNTERFEITING tampering detection 
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