Issue 6, 2021

Optimization of gold nanorod arrays for surface enhanced Raman spectroscopy (SERS) detection of atrazine

Abstract

Recently, there has been increasing concern over the widespread use of the herbicide atrazine which has been reported to have problematic side effects on local ecosystems. This has highlighted the need for rapid and accurate point-of-need assessment tools for analytical determination of herbicides in ground and surface waters. Surface enhanced Raman spectroscopy (SERS) is a sensitive vibrational spectroscopy technique which has recently been employed for the analysis of a variety of analytes in water, ranging from pharmaceuticals to pesticides. In this work, SERS sensors constructed using gold nanorod (AuNR) arrays are optimized and then utilized for the rapid and sensitive detection of atrazine. In this study, the effect of relative humidity on the self-assembly of gold nanorods into arrays was explored, and the SERS performance was assessed using para-aminothiophenol as a SERS probe. Once the SERS performance of the substrates was deemed optimal, the detection of atrazine was highlighted. This work represents the first time that relative humidity has been explored as an optimization strategy for controlled alignment of gold nanorods for SERS analysis of atrazine.

Graphical abstract: Optimization of gold nanorod arrays for surface enhanced Raman spectroscopy (SERS) detection of atrazine

Supplementary files

Article information

Article type
Paper
Submitted
26 ربيع الأول 1442
Accepted
12 جمادى الثانية 1442
First published
13 جمادى الثانية 1442

Analyst, 2021,146, 2037-2047

Optimization of gold nanorod arrays for surface enhanced Raman spectroscopy (SERS) detection of atrazine

N. Albarghouthi, P. MacMillan and C. L. Brosseau, Analyst, 2021, 146, 2037 DOI: 10.1039/D0AN02215B

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements