Picosecond Bessel Beam Fabricated Pure, Gold-Coated Silver Nanostructures for Trace-Level Sensing of Multiple Explosives and Hazardous Molecules

Picosecond Bessel Beam Fabricated Pure, Gold-Coated Silver Nanostructures for Trace-Level Sensing of Multiple Explosives and Hazardous Molecules

A zeroth-order, non-diffracting Bessel beam, generated by picosecond laser pulses (1064 nm, 10 Hz, 30 ps) through an axicon, was utilized to perform pulse energy-dependent (12 mJ, 16 mJ, 20 mJ, 24 mJ) laser ablation of silver (Ag) substrates in air. The fabrication resulted in finger-like Ag nanostr...

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Bibliographic Details
Main Authors: Dipanjan Banerjee, Mangababu Akkanaboina, Subhasree Ghosh, Venugopal Rao Soma
Format: Article
Language:English
Published: MDPI AG 2022-06-01
Series:Materials
Subjects:
picosecond ablation
Bessel beam
SERS
silver nanostructures
picric acid
thiram
Online Access:https://www.mdpi.com/1996-1944/15/12/4155

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https://www.mdpi.com/1996-1944/15/12/4155

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