Photo-Induced Au versus Ag Deposition on Periodically Poled Lithium Niobate: Concentration Dependence

Veronica MeeksAnna Zaniewski, Brandon Palafox,

Robert Nemanich

Arizona Space Grant SymposiumApril 18th 2015

Motivation

• High demand for metal nanostructures• Unique electrical and optical properties • Utilizing new technique of depositing gold

nanoparticles onto periodically poled lithium niobate (PPLN) using ultraviolet (UV) light

Production

Analysis

Results

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Series1

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Interpretation

Gold Ion Reduction:

Silver Ion Reduction: €

[AuCl4 ]− + 3e−→ Au + 4Cl−

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Ag+ + e−→ Ag

Next Steps

• Looking into the physics of the gold concentration graph

• Analyze deposition patterns of other metal solutions such as copper

Acknowledgments

• In collaboration with Anna Zaniewski, Robert Nemanich, Brandon Palafox

• Funding from ASU/NASA Space Grant Program and the National Science Foundation