Hydroxylamine reduced silver colloid for naphthalene and phenanthrene detection using surface-enhanced Raman spectroscopy

Kabiru Haruna; Tawfik A. Saleh; Mohammad Kamal Hossain; Abdulaziz A. Al-Saadi

doi:10.1016/j.cej.2016.06.050

Hydroxylamine reduced silver colloid for naphthalene and phenanthrene detection using surface-enhanced Raman spectroscopy

Kabiru Haruna, Tawfik A. Saleh^*, Mohammad Kamal Hossain, Abdulaziz A. Al-Saadi

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

75 Scopus citations

Abstract

Hydroxylamine reduced silver colloid was used as a surface enhanced Raman scattering (SERS) substrate for the detection of trace-level polyaromatic hydrocarbons (PAHs). The colloidal particles were predominantly spherical in shape and the size of the particles was around 50 nm with a wavelength of maximum absorption at 420 nm. The silver nanoparticles had impressive enhancement of the sensing signal using SERS. Raman signals of an aqueous solution of naphthalene and phenanthrene were obtained for concentrations of 10⁻¹² M and 10⁻¹⁰ M respectively. The SERS intensity decreases linearly with concentration allowing quantitative analyses of the PAHs in ethanol and aqueous solutions; with good linear relation as indicated by the coefficient of determination R².

Original language	English
Pages (from-to)	141-148
Number of pages	8
Journal	Chemical Engineering Journal
Volume	304
DOIs	https://doi.org/10.1016/j.cej.2016.06.050
State	Published - 15 Nov 2016

Bibliographical note

Publisher Copyright:
© 2016 Elsevier B.V.

Keywords

Hydroxylamine reduced silver colloid (HRSC)
Naphthalene surface enhanced Raman scattering (SERS)
Phenanthrene

ASJC Scopus subject areas

General Chemistry
Environmental Chemistry
General Chemical Engineering
Industrial and Manufacturing Engineering

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10.1016/j.cej.2016.06.050

Cite this

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title = "Hydroxylamine reduced silver colloid for naphthalene and phenanthrene detection using surface-enhanced Raman spectroscopy",

abstract = "Hydroxylamine reduced silver colloid was used as a surface enhanced Raman scattering (SERS) substrate for the detection of trace-level polyaromatic hydrocarbons (PAHs). The colloidal particles were predominantly spherical in shape and the size of the particles was around 50 nm with a wavelength of maximum absorption at 420 nm. The silver nanoparticles had impressive enhancement of the sensing signal using SERS. Raman signals of an aqueous solution of naphthalene and phenanthrene were obtained for concentrations of 10−12 M and 10−10 M respectively. The SERS intensity decreases linearly with concentration allowing quantitative analyses of the PAHs in ethanol and aqueous solutions; with good linear relation as indicated by the coefficient of determination R2.",

keywords = "Hydroxylamine reduced silver colloid (HRSC), Naphthalene surface enhanced Raman scattering (SERS), Phenanthrene",

author = "Kabiru Haruna and Saleh, {Tawfik A.} and Hossain, {Mohammad Kamal} and Al-Saadi, {Abdulaziz A.}",

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doi = "10.1016/j.cej.2016.06.050",

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AU - Haruna, Kabiru

AU - Saleh, Tawfik A.

AU - Hossain, Mohammad Kamal

AU - Al-Saadi, Abdulaziz A.

PY - 2016/11/15

Y1 - 2016/11/15

N2 - Hydroxylamine reduced silver colloid was used as a surface enhanced Raman scattering (SERS) substrate for the detection of trace-level polyaromatic hydrocarbons (PAHs). The colloidal particles were predominantly spherical in shape and the size of the particles was around 50 nm with a wavelength of maximum absorption at 420 nm. The silver nanoparticles had impressive enhancement of the sensing signal using SERS. Raman signals of an aqueous solution of naphthalene and phenanthrene were obtained for concentrations of 10−12 M and 10−10 M respectively. The SERS intensity decreases linearly with concentration allowing quantitative analyses of the PAHs in ethanol and aqueous solutions; with good linear relation as indicated by the coefficient of determination R2.

AB - Hydroxylamine reduced silver colloid was used as a surface enhanced Raman scattering (SERS) substrate for the detection of trace-level polyaromatic hydrocarbons (PAHs). The colloidal particles were predominantly spherical in shape and the size of the particles was around 50 nm with a wavelength of maximum absorption at 420 nm. The silver nanoparticles had impressive enhancement of the sensing signal using SERS. Raman signals of an aqueous solution of naphthalene and phenanthrene were obtained for concentrations of 10−12 M and 10−10 M respectively. The SERS intensity decreases linearly with concentration allowing quantitative analyses of the PAHs in ethanol and aqueous solutions; with good linear relation as indicated by the coefficient of determination R2.

KW - Hydroxylamine reduced silver colloid (HRSC)

KW - Naphthalene surface enhanced Raman scattering (SERS)

KW - Phenanthrene

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DO - 10.1016/j.cej.2016.06.050

M3 - Article

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JO - Chemical Engineering Journal

JF - Chemical Engineering Journal

ER -

Hydroxylamine reduced silver colloid for naphthalene and phenanthrene detection using surface-enhanced Raman spectroscopy

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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