Dynamic plasmonic colour display

被引:488
作者
Duan, Xiaoyang [1 ,2 ]
Kamin, Simon [1 ]
Liu, Na [1 ,2 ]
机构
[1] Max Planck Inst Intelligent Syst, Heisenbergstr 3, D-70569 Stuttgart, Germany
[2] Heidelberg Univ, Kirchhoff Inst Phys, Neuenheimer Feld 227, D-69120 Heidelberg, Germany
来源
NATURE COMMUNICATIONS | 2017年 / 8卷
基金
欧洲研究理事会;
关键词
OPTIC HYDROGEN DETECTORS; FULL-COLOR; GENERATION;
D O I
10.1038/ncomms14606
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Plasmonic colour printing based on engineered metasurfaces has revolutionized colour display science due to its unprecedented subwavelength resolution and high-density optical data storage. However, advanced plasmonic displays with novel functionalities including dynamic multicolour printing, animations, and highly secure encryption have remained in their infancy. Here we demonstrate a dynamic plasmonic colour display technique that enables all the aforementioned functionalities using catalytic magnesium metasurfaces. Controlled hydrogenation and dehydrogenation of the constituent magnesium nanoparticles, which serve as dynamic pixels, allow for plasmonic colour printing, tuning, erasing and restoration of colour. Different dynamic pixels feature distinct colour transformation kinetics, enabling plasmonic animations. Through smart material processing, information encoded on selected pixels, which are indiscernible to both optical and scanning electron microscopies, can only be read out using hydrogen as a decoding key, suggesting a new generation of information encryption and anti-counterfeiting applications.
引用
收藏
页数:9
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