title: Durable plasmonic cap arrays on flexible substrate with real-time optical tunability for high-fidelity SERS devices.
abstract: Active tunable plasmonic cap arrays were fabricated on a flexible stretchable substrate using a combination of colloidal lithography, lift-up soft lithography, and subsequent electrostatic assembly of gold nanoparticles. The arrangement of the plasmonic caps could be tuned under external strain to deform the substrate in reversible. Real-time variation in the arrangement could be used to tune the optical properties and the electromagnetic field enhancement, thereby a proving a promising mechanism for optimizing the SERS sensitivity.
authors.forename: Hyelim
authors.initials: H
authors.lastname: Kang
authors.forename: Chul-Joon
authors.initials: CJ
authors.lastname: Heo
authors.forename: Hwan Chul
authors.initials: HC
authors.lastname: Jeon
authors.forename: Su Yeon
authors.initials: SY
authors.lastname: Lee
authors.forename: Seung-Man
authors.initials: SM
authors.lastname: Yang
mesh_terms: D015374:Biosensing Techniques / Q000295:instrumentation* / Q000379:methods*; D003102:Colloids / Q000737:chemistry; D004574:Electromagnetic Fields; D005466:Fluorocarbons / Q000737:chemistry; D006046:Gold / Q000737:chemistry; D008855:Microscopy, Electron, Scanning; D053758:Nanoparticles / Q000737:chemistry; D012822:Silicon Dioxide / Q000737:chemistry; D013059:Spectrum Analysis, Raman / Q000295:instrumentation* / Q000379:methods*; D020349:Surface Plasmon Resonance / Q000295:instrumentation* / Q000379:methods*
chemical_list: D003102:Colloids; D005466:Fluorocarbons; D006046:Gold; C035066:carbon tetrafluoride; D012822:Silicon Dioxide