Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 8, Issue 1, Pages 225-231Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b08334
Keywords
polyvinylidene fluoride; silver nanostructures; excimer laser patterning; plasmonic tunability; piezoelectric switching
Funding
- GACR [15-19485S, 15-19209S]
- TACR [TH01010997]
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A new approach for preparation of active plasmonic component with capability to switch on/off localized surface plasmon resonance (LSPR) by piezoelectric effect is described. Polyvinylidene fluoride (PVDF) was patterned by polarized KrF excimer laser beam. The polarization was perpendicular to polymer orientation introduced during the poling procedure. Consequently the silver nanoclusters were sputtered onto the polymer surface. Application of an external electric field leads to polymer stretching and surface smoothening. Simultaneously, silver clusters are elongated and interconnected; this process leads to dramatic decrease of surface resistance and complete quenching of plasmon related absorption.
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