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Influence of sulfosalicylic acid in the electrolyte on the optical properties of porous anodic alumina membranes

  • CAS - Shanghai Institute of Ceramics

Research output: Contribution to journalArticlepeer-review

Abstract

Porous anodic alumina (PAA) membranes were prepared in the mixtures of sulfosalicylic acid (SSA) and sulfuric acid (H2SO4) in different concentration ratios. FT-IR analysis reveals that SSA is incorporated in the membranes and the amount of the embedded SSA is depending on the SSA concentration in solution. Absorption and emission spectra of the prepared films exhibit a tunable feature corresponding to the amount of the embedded SSA. These results indicate that certain organic species in the electrolyte can strongly affect the optical behaviors of the anodic alumina membranes by embedding inside the membranes.

Original languageEnglish
Pages (from-to)328-333
Number of pages6
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume333
Issue number3-4
DOIs
StatePublished - 6 Dec 2004
Externally publishedYes

Keywords

  • Optical property
  • Porous anodic alumina
  • Sulfosalicylic acid
  • Transmission electron microscopy (TEM)

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