Attomolar Sensing Based on Liquid Interface-Assisted Surface-Enhanced Raman Scattering in Microfluidic Chip by Femtosecond Laser Processing
Shi Bai, Daniela Serien, Ying Ma, Kotaro Obata, Koji Sugioka
Abstract
M (<10 aM). The mechanism for the extraordinary enhancement afforded by LI-SERS is attributed to Marangoni convection induced by the photothermal effect.
Topics & Concepts
Materials scienceFemtosecondRaman scatteringMicrofluidicsMicrofluidic chipLaserInterface (matter)NanotechnologyRaman spectroscopyOptoelectronicsOpticsComposite materialWettingPhysicsSessile drop techniqueGold and Silver Nanoparticles Synthesis and ApplicationsLaser Material Processing TechniquesNanomaterials and Printing Technologies