Optical characteristics of pore size on porous anodic aluminium oxide films with embedded silver nanoparticles

Chen Han Huang, Hsing Ying Lin, Yon-Hua Tzeng, Chien Hsiang Fan, Chih Yi Liu, Chia Yi Li, Cheng Wen Huang, Nan Kuang Chen, Hsiang-Chen Chui

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Dielectric porous anodic aluminum oxide films embedded with two-dimensional silver nanoparticles arrays (porous Ag/AAO) have been fabricated by electrochemical anodization and deposition, wherein the position and rate of the Ag nanoparticles within the nanopores can be properly controlled. These porous Ag/AAO films have photo-induced plasmonic coupling and can be applied toward photo-absorption sensors. The plasmonic absorption is clearly visible and its absorption maximum red-shifts with increasing particle diameters. An investigation of how the absorption spectrum is influenced by systematically changing the pore diameter and inter-pore spacing is laid out. This work provides an approach to precisely tune the peak wavelength and the bandwidth of plasmonic absorption of porous Ag/AAO films utilizing fine control of the pore diameters. The wavelength shift slope of absorption peak with the pore diameter is measured to be approximately 0.82 nm/nm (peak wavelength/pore diameter). These tuning curves may be useful in the design of photon-response sensors and 2D tunable plasmonic-based nanostructure is expected to enable applications such as tunable photon-induced electrical conductivity.

Original languageEnglish
Pages (from-to)49-54
Number of pages6
JournalSensors and Actuators, A: Physical
Volume180
DOIs
Publication statusPublished - 2012 Jun 1

Fingerprint

Aluminum Oxide
Silver
Oxide films
Pore size
oxide films
aluminum oxides
silver
Nanoparticles
porosity
Aluminum
Wavelength
nanoparticles
Photons
Nanopores
Sensors
wavelengths
Absorption spectra
Nanostructures
Tuning
sensors

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrical and Electronic Engineering

Cite this

Huang, Chen Han ; Lin, Hsing Ying ; Tzeng, Yon-Hua ; Fan, Chien Hsiang ; Liu, Chih Yi ; Li, Chia Yi ; Huang, Cheng Wen ; Chen, Nan Kuang ; Chui, Hsiang-Chen. / Optical characteristics of pore size on porous anodic aluminium oxide films with embedded silver nanoparticles. In: Sensors and Actuators, A: Physical. 2012 ; Vol. 180. pp. 49-54.
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Optical characteristics of pore size on porous anodic aluminium oxide films with embedded silver nanoparticles. / Huang, Chen Han; Lin, Hsing Ying; Tzeng, Yon-Hua; Fan, Chien Hsiang; Liu, Chih Yi; Li, Chia Yi; Huang, Cheng Wen; Chen, Nan Kuang; Chui, Hsiang-Chen.

In: Sensors and Actuators, A: Physical, Vol. 180, 01.06.2012, p. 49-54.

Research output: Contribution to journalArticle

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