Integrated structural color array enabled by ultrathin silver film via cavity-enhanced absorption
Integrated structural color array enabled by ultrathin silver film via cavity-enhanced absorption
复制标题
超薄银膜通过腔增强吸收实现集成结构颜色阵列
DOI:
10.1007/s11082-018-1427-y
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发表时间:
2018-03
期刊:
影响因子:
--
通讯作者:
Feng Liu
中科院分区:
文献类型:
--
作者:
Yi Zhang;Junli Duan;Mingfei Wu;Ying Zhi;Xiaowen Li;Yikai Zhou;Wangzhou Shi;Feng Liu
In this work, we experimentally demonstrate enhanced absorption resonance enabled by the deconstructive interference of the reflected light in a sandwiched nanostructures composing of the ultrathin silver layer, transparent SiO2cavity, and the opaque metallic substrate (e.g., 300-nm Ag). Such cavity-enhanced absorption is tunable via modulating the thickness of the absorptive ultrathin silver layer or the embedded transparent SiO2cavity, giving rise to tunable structural coloration. Through five deposition processes, a 32-channel colorful sample is successfully fabricated. We believe the concepts and results make it evident that such ultrathin absorptive film offers us unprecedented opportunities on developing various photonic applications such as labeling, visual arts, and optical filters.
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