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Large-Area Fabrication of Complex Nanohole Arrays with Highly Tunable Plasmonic Properties.
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2020-07-22 , DOI: 10.1021/acsami.0c06936
Yanfeng Wang 1, 2 , Harrison B Chong 2 , Zhengjun Zhang 1 , Yiping Zhao 2
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2020-07-22 , DOI: 10.1021/acsami.0c06936
Yanfeng Wang 1, 2 , Harrison B Chong 2 , Zhengjun Zhang 1 , Yiping Zhao 2
Affiliation
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By combining nanosphere lithography with oblique angle deposition, large-area asymmetric compound Ag nanohole arrays with nanorods inside the hole were patterned on substrates. The technique enabled the production of complex nanohole arrays with controlled hole diameter, thickness, and rod structure inside the hole. The compound asymmetric Ag nanohole structures showed strong polarization-dependent optical properties, and a new extraordinary optical transmission (EOT) mode with tunable resonance wavelength at the near-IR region was observed. The transmission at the new EOT wavelength region can increase from 27% of nanohole to 69% of the compound structure, and these structures can achieve a refractive index sensitivity as high as 847 nm RIU–1. The tunable EOT wavelength and strong polarization-dependent optical properties make the structure ideal for ultrathin optical filters, polarizers, surface-enhanced spectroscopies, etc.
中文翻译:
具有高可调谐等离子体特性的复杂纳米孔阵列的大面积制造。
通过将纳米球光刻与倾斜角沉积相结合,在基板上对大面积不对称化合物Ag纳米孔阵列(孔内具有纳米棒)进行了构图。该技术能够生产出具有可控孔直径,厚度和孔内杆结构的复杂纳米孔阵列。复合非对称银纳米孔结构表现出很强的偏振相关的光学性能,并观察到一种新的非寻常的光传输(EOT)模式,在近红外区域具有可调的共振波长。在新的EOT波长区域,透射率可以从复合结构的27%的纳米孔增加到69%的这些结构,并且这些结构可以实现高达847 nm RIU –1的折射率灵敏度。可调的EOT波长和强大的偏振相关光学特性使该结构成为超薄滤光片,偏振器,表面增强光谱仪等的理想选择。
更新日期:2020-08-19
中文翻译:
![](https://scdn.x-mol.com/jcss/images/paperTranslation.png)
具有高可调谐等离子体特性的复杂纳米孔阵列的大面积制造。
通过将纳米球光刻与倾斜角沉积相结合,在基板上对大面积不对称化合物Ag纳米孔阵列(孔内具有纳米棒)进行了构图。该技术能够生产出具有可控孔直径,厚度和孔内杆结构的复杂纳米孔阵列。复合非对称银纳米孔结构表现出很强的偏振相关的光学性能,并观察到一种新的非寻常的光传输(EOT)模式,在近红外区域具有可调的共振波长。在新的EOT波长区域,透射率可以从复合结构的27%的纳米孔增加到69%的这些结构,并且这些结构可以实现高达847 nm RIU –1的折射率灵敏度。可调的EOT波长和强大的偏振相关光学特性使该结构成为超薄滤光片,偏振器,表面增强光谱仪等的理想选择。