Electrochemical Fabrication of Inverse Opals of Silver with Cyanide-Free Electrolytes

Silver inverse opals were prepared electrochemically using non-toxic water–ethanol rhodanic and sulfite electrolytes for silver plating. Electrochemical crystallization of silver occurred in the pores of opal matrices made of 350 nm polystyrene microspheres. Samples with the most uniform structure a...

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Bibliographic Details
Published in:Metals (Basel ) 2022-12, Vol.12 (12), p.2042
Main Authors: Arabov, Rustam I., Komarova, Maria Y., Astafurov, Mikhail O., Knotko, Alexander V., Maslakov, Konstantin I., Savilov, Serguei V., Grigorieva, Anastasia V.
Format: Article
Language:English
Subjects:
Analysis
Crystallization
Cyanides
Electrochemical fabrication
Electrodes
Electrolytes
electroplating
Ethanol
Glass substrates
Gold
inverse opal
Microspheres
Morphology
Nanoparticles
Optical properties
Plating
Polystyrene resins
Reproducibility
Scanning electron microscopy
Sensors
Silver
Silver plating
Sulfites
surface plasmon resonance
X-ray photoelectron spectroscopy
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Summary:Silver inverse opals were prepared electrochemically using non-toxic water–ethanol rhodanic and sulfite electrolytes for silver plating. Electrochemical crystallization of silver occurred in the pores of opal matrices made of 350 nm polystyrene microspheres. Samples with the most uniform structure and lowest percentage of surface admixtures were obtained from rhodanic electrolytes. Reflectance optical spectra of the silver inverse opals with a high surface periodicity showed various plasmon excitation modes in a visible spectral range making the silver opals attractive for plasmonics.
ISSN:2075-4701
2075-4701
DOI:10.3390/met12122042