A vivid Au-porous anodic alumina composite film with the inverted taper structure for label-free detection

Yu, Zhumin; Zhao, Kai; Li, Lin; Ye, Changqing; Yang, Dong; Song, Yanlin

doi:10.1007/s12274-023-5549-6

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Fabrication Of Naa1

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2023

2024

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Cited by 3 publications

(1 citation statement)

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“…These anodization and etching steps were alternatively repeated to obtain inverted taper NAA with different height-todiameter ratios. 84 reduced anodization voltages from one stage to another. 85 They also demonstrated the formation of NAA with characteristic serrated nanopores by anodization in H 3 PO 4 electrolyte at low voltage.…”

Section: Fabrication Of Naamentioning

confidence: 99%

Nanoporous anodic alumina-based iontronics: fundamentals and applications

Wang

Abell

et al. 2023

J. Mater. Chem. C

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Section: Fabrication Of Naamentioning

confidence: 99%

Nanoporous anodic alumina-based iontronics: fundamentals and applications

Wang

Abell

et al. 2023

J. Mater. Chem. C

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Synthesis, characterization, and optical sensing of hydrophilic anodic alumina films

Abd-Elnaiem,

Mohamed,

El. Soliman

et al. 2024

Optical Materials

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Research and fabrication of color filters based on porous anodic alumina

Ni,

Wang,

Shen

et al. 2024

J. Opt. Soc. Am. B

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This study introduces a porous alumina composite structure, incorporating silver on a silicon substrate, to achieve a wide range of color displays. The structure utilizes the Bragg interference effect to reflect light between the surface and the pore bottoms. Fabrication involved magnetron sputtering, anodizing, and sodium hydroxide etching to produce different pore sizes, depths, and silver film thicknesses. This method shifts reflection valleys in the spectrum, enabling light emission or absorption across various wavelengths, resulting in diverse color displays. Experiments reveal that hue is influenced by pore depth, pore size, and silver film thickness, whereas brightness and saturation are regulated by pore size and silver film thickness. Unlike periodic structural color filters made through complex methods like photolithography and self-assembly, this filter is easily manufactured using simple electrochemical and coating techniques. This cost-effective, simple, and controllable method is ideal for large-scale production and the creation of high-resolution, high-saturation structural color display devices.

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A vivid Au-porous anodic alumina composite film with the inverted taper structure for label-free detection

Cited by 3 publications

References 45 publications

Nanoporous anodic alumina-based iontronics: fundamentals and applications

Nanoporous anodic alumina-based iontronics: fundamentals and applications

Synthesis, characterization, and optical sensing of hydrophilic anodic alumina films

Research and fabrication of color filters based on porous anodic alumina

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