Substrate signal inhibition in Raman analysis of microplastic particles

• Main Authors: Elsayed, Ahmed A., Othman, Ahmed M., Sabry, Yasser M., Marty, Frédéric, Omran, Haitham, Khalil, Diaa, Liu, Ai Qun, Bourouina, Tarik
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2023
• Subjects: Engineering::Electrical and electronic engineering; Raman Analysis; Microplastic Particles
• Online Access: https://hdl.handle.net/10356/169948
• Institution: Nanyang Technological University

In Raman analysis, the substrate material serves very often for signal enhancement, especially when metallic surfaces are involved; however, in other cases, the substrate has an opposite effect as it is the source of a parasitic signal preventing the observation of the sample material of interest. T...