Attomolar SERS detection of organophosphorous pesticides using silver mirror-like micro-pyramids as active substrate

Autor:	Marta, Lafuente, Erwin J W, Berenschot, Roald M, Tiggelaar, Sergio G, Rodrigo, Reyes, Mallada, Niels R, Tas, María P, Pina
Rok vydání:	2020
Předmět:	Manufactured Materials Silver Reproducibility of Results Adsorption Pesticides Spectrum Analysis Raman Paraoxon
Zdroj:	Mikrochimica acta. 187(4)
ISSN:	1436-5073
Popis:	Surface-enhanced Raman spectroscopy (SERS) is gaining importance as an ultrasensitive analytical tool for routine high-throughput analysis of a variety of molecular compounds. One of the main challenges is the development of robust, reproducible and cost-effective SERS substrates. In this work, we study the SERS activity of 3D silver mirror-like micro-pyramid structures extended in the z-direction up to 3.7 μm (G0 type substrate) or 7.7 μm (G1 type substrate), prepared by Si-based microfabrication technologies, for trace detection of organophosphorous pesticides, using paraoxon-methyl as probe molecule. The average relative standard deviation (RSD) for the SERS intensity of the peak displayed at 1338 cm
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=pmid________::bdf1d0a3e1ef00ce32429b3696148256 https://pubmed.ncbi.nlm.nih.gov/36576649 Zobrazit plný text záznamu Full text from SpringerLink