摘要
Nowadays,the electromagnetic properties of artificial photonic materials can be well-tuned via designs over their composition and geometries.However,engineering the properties of artificial materials at the nanoscale is challenging and costly.Here we demonstrate a facile and low-cost method for fabricating large-area silver nanoparticle metasurfaces(AgNPMSs)by using the vectorial holography-mediated growth technique.The AgNPMS,which can be regarded as a hologram device,possesses excellent chiroptical properties.The vectorial holographic technique may open avenues for fabricating novel chiroptical metamaterials with large degrees of freedom,which can be further used for beam steering,photocatalysis,biosensing,etc.
如今,人造光学材料的电磁特性可以通过对其成分和几何形状的设计进行高效的调控.然而,在纳米尺度上对人造器件的性能进行工程设计仍然具有挑战性且成本高昂.本文展示了一种利用矢量全息技术制备大面积银纳米粒子超构表面制造的简便且成本低的方法,该方法显示纳米粒子的生长行为具有良好的偏振导向性.银纳米粒子超构表面也可以被认为是一种全息元件,同时具有出色的光学手性.这种矢量全息制造技术为合成具有高自由度的新型手性超构材料开辟了的新途径,并可进一步用于光束控制、光催化、生物传感等.
作者
Zhen Yin
Yue Shi
Mengjia Cen
Tun Cao
Chunxiang Xu
Dan Luo
Guixin Li
Yan-Jun Liu
殷震;石玥;岑梦嘉;曹暾;徐春祥;罗丹;李贵新;刘言军(Department of Electrical and Electronic Engineering,Southern University of Science and Technology,Shenzhen 518055,China;State Key Laboratory of Bioelectronics,Southeast University,Nanjing 210096,China;School of Optoelectronic Engineering and Instrumentation Science,Dalian University of Technology,Dalian 116024,China;Department of Materials Science and Engineering,Southern University of Science and Technology,Shenzhen 518055,China;Key Laboratory of Energy Conversion and Storage Technologies(Southern University of Science and Technology),Ministry of Education,Shenzhen 518055,China)
基金
the National Natural Science Foundation of China(62075093 and 61805113)
the Guangdong Innovative and Entrepreneurial Research Team Program(2017ZT07C071)
the Natural Science Foundation of Guangdong Province(2017A030313034 and 2018A030310224)
Shenzhen Science and Technology Innovation Commission(JCYJ20170817111349280,JCYJ20180305180635082,and GJHZ20180928155207206)。
