Interaction between plasmonic silver nanorod arrays and nanosecond pulsed laser

Yuyi Feng*, Tobias Kemmer, Philipp Graus, Clayton A. Nemitz, Paul Leiderer, Yongtian Wang, Lukas Schmidt-Mende, Johannes Boneberg

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Plasmonic metamaterials have recently received increasing attention due to their favorable optical and electrical properties. The physics of the interaction between plasmonic metamaterials and lasers are rich and open opportunities for applications, such as sensing, imaging and photovoltaics. Here, we investigate the mechanism of the interaction between Ag nanorod arrays and nanosecond (ns) pulsed laser. The experimental results show that ns laser pulses significantly improve the crystallinity of the Ag nanorod arrays. Meanwhile, the laser evaporates some of the Ag into the air. This work paves the way for future high-performance plasmonic meta-devices.

Original languageEnglish
Article number412573
JournalPhysica B: Condensed Matter
Volume607
DOIs
Publication statusPublished - 15 Apr 2021

Keywords

  • Annealing
  • Laser interference patterning
  • Metamaterials
  • Plasmonics

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