Toward quantitative SERS detection in low analyte concentration by investigating the immersion volume and time of SERS substrate in analyte solution

• Published in: Journal of Raman spectroscopy Vol. 53; no. 1; pp. 33 - 39
• Main Authors: Chen, Wei‐Liang, Lo, Chao‐Yuan, Huang, Yu‐Chun, Wang, Yu‐Chi, Chen, Wei‐Hung, Lin, Kuan‐Jiuh, Chang, Yu‐Ming
• Format: Journal Article
• Language: English
• Published: Bognor Regis Wiley Subscription Services, Inc 01.01.2022
• Subjects: Adsorption; Equilibrium; Immersion; Langmuir isotherm; Malachite green; Quantitative analysis; Raman spectroscopy; SERS; Submerging; Substrates

The strength of SERS signal depends on the amount of analyte adsorbed onto the hotspots of a SERS substrate immersed in solution. This adsorption is a dynamic process and can be described by the Langmuir adsorption model, in which the adsorption is influenced by several factors such as the temperatu...