Journal
PLASMONICS
Volume 13, Issue 6, Pages 2285-2291Publisher
SPRINGER
DOI: 10.1007/s11468-018-0751-1
Keywords
Nano-color printing; Gold nano-islands; Direct laser writing; Plasmonics; Data storage
Funding
- French National Research Agency (ANR)
- Ministry of Science and Technology of Vietnam [DTDLCN.01/2017]
- China Scholarship Council (CSC project)
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We have demonstrated a simple way to fabricate gold islands by using the laser direct writing method. The gold nano-islands were formed by the optically induced local thermal effect, resulting from the excitation of a continuous-wave laser beam on gold layer. By moving the laser focusing spot, it was possible to write desired plasmonic texts and images on demand at a nanoscale. By changing the exposure dose, the size of gold nano-islands was controlled, resulted in different colors. This demonstration paves the way for many interesting applications, such as plasmonic data storage and nano-scaled color printing.
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