Engineering optical properties of metal/porous anodic alumina films for refractometric sensing

Lanfang Wang; Xiufang Qin; Dengxin Ji; James P. Parry; Jinqiong Zhang; Chenhua Deng; Guqiao Ding; Qiaoqiang Gan; Hao Zeng; Xiaohong Xu

doi:10.1016/j.apsusc.2015.07.087

Engineering optical properties of metal/porous anodic alumina films for refractometric sensing

Lanfang Wang, Xiufang Qin, Dengxin Ji, James P. Parry, Jinqiong Zhang, Chenhua Deng, Guqiao Ding, Qiaoqiang Gan, Hao Zeng, Xiaohong Xu

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

We show that ultrathin metallic films deposited on porous anodic alumina (PAA) templates can enhance the reflection at certain wavelengths in the visible range, due to Fabry-Perot optical interference. The reflectance spectra can be tuned in a broad range by tuning the structural parameters of PAA including its pore depth, size and porosity. This results in tunable, iridescent colors of the films that can be spatially patterned. A refractometric chemical sensor is designed to convert the change in effective refractive index into the change in the reflectance spectra, which leads to color change discernible by naked eyes. This opens up the possibility for easy-to-operate chemical sensors with extremely low cost.

Original language	English (US)
Pages (from-to)	139-144
Number of pages	6
Journal	Applied Surface Science
Volume	355
DOIs	https://doi.org/10.1016/j.apsusc.2015.07.087
State	Published - Nov 15 2015
Externally published	Yes

ASJC Scopus subject areas

Surfaces, Coatings and Films

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10.1016/j.apsusc.2015.07.087

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title = "Engineering optical properties of metal/porous anodic alumina films for refractometric sensing",

abstract = "We show that ultrathin metallic films deposited on porous anodic alumina (PAA) templates can enhance the reflection at certain wavelengths in the visible range, due to Fabry-Perot optical interference. The reflectance spectra can be tuned in a broad range by tuning the structural parameters of PAA including its pore depth, size and porosity. This results in tunable, iridescent colors of the films that can be spatially patterned. A refractometric chemical sensor is designed to convert the change in effective refractive index into the change in the reflectance spectra, which leads to color change discernible by naked eyes. This opens up the possibility for easy-to-operate chemical sensors with extremely low cost.",

author = "Lanfang Wang and Xiufang Qin and Dengxin Ji and Parry, {James P.} and Jinqiong Zhang and Chenhua Deng and Guqiao Ding and Qiaoqiang Gan and Hao Zeng and Xiaohong Xu",

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T1 - Engineering optical properties of metal/porous anodic alumina films for refractometric sensing

AU - Wang, Lanfang

AU - Qin, Xiufang

AU - Ji, Dengxin

AU - Parry, James P.

AU - Zhang, Jinqiong

AU - Deng, Chenhua

AU - Ding, Guqiao

AU - Gan, Qiaoqiang

AU - Zeng, Hao

AU - Xu, Xiaohong

N1 - Generated from Scopus record by KAUST IRTS on 2022-09-13

PY - 2015/11/15

Y1 - 2015/11/15

N2 - We show that ultrathin metallic films deposited on porous anodic alumina (PAA) templates can enhance the reflection at certain wavelengths in the visible range, due to Fabry-Perot optical interference. The reflectance spectra can be tuned in a broad range by tuning the structural parameters of PAA including its pore depth, size and porosity. This results in tunable, iridescent colors of the films that can be spatially patterned. A refractometric chemical sensor is designed to convert the change in effective refractive index into the change in the reflectance spectra, which leads to color change discernible by naked eyes. This opens up the possibility for easy-to-operate chemical sensors with extremely low cost.

AB - We show that ultrathin metallic films deposited on porous anodic alumina (PAA) templates can enhance the reflection at certain wavelengths in the visible range, due to Fabry-Perot optical interference. The reflectance spectra can be tuned in a broad range by tuning the structural parameters of PAA including its pore depth, size and porosity. This results in tunable, iridescent colors of the films that can be spatially patterned. A refractometric chemical sensor is designed to convert the change in effective refractive index into the change in the reflectance spectra, which leads to color change discernible by naked eyes. This opens up the possibility for easy-to-operate chemical sensors with extremely low cost.

UR - https://linkinghub.elsevier.com/retrieve/pii/S0169433215016542

UR - http://www.scopus.com/inward/record.url?scp=84944318084&partnerID=8YFLogxK

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DO - 10.1016/j.apsusc.2015.07.087

M3 - Article

SN - 0169-4332

VL - 355

SP - 139

EP - 144

JO - Applied Surface Science

JF - Applied Surface Science

ER -

Engineering optical properties of metal/porous anodic alumina films for refractometric sensing

Abstract

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