Noble Metal-Metal Oxide Hybrid Nanoparticles for Surface-Enhanced Raman Spectroscopy-Based Sensors

Kommula, Bramhaiah; John, Neena S.

doi:10.1007/978-3-030-45116-5_11

Part of the book series: Nanotechnology in the Life Sciences ((NALIS))

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2 Citations

Abstract

Surface-enhanced Raman spectroscopy (SERS) has long been established as an effective technique for the sensitive, reliable, selective and nondestructive detection of low concentration of analyte molecules via the amplification of electromagnetic fields or the charge transfer pathways between the substrate and analyte molecules. SERS has undergone a rapid growth over the last 30 years and has become a valuable analytical tool in various research areas including physics, chemistry, biology, medicine, etc. However, the applicability of the SERS technique is limited due to the lack of cost-effective and sensitive SERS substrates with good stability, reproducibility and renewability.

This chapter comprises a brief discussion about the advancements in the development of noble metal, metal oxide and their hybrids such as noble metal-metal oxide nanostructures for the detection of analyte molecules employing SERS technique. The controlled fabrication of hybrid composites of noble metals such as Ag, Au, Cu and metal oxides including ZnO, TiO₂, CuO, Cu₂O, iron oxide, MnO₂, WO₃, ZrO₂ and CeO₂ is achieved by various methods to acquire different morphologies. It is well known that the morphology, size and dielectric environment can influence the enhancement factor. In particular, the potential applications of various noble metal-metal oxide hybrids towards SERS-based sensors are addressed.

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Abbreviations

2-NT:: 2-Naphthalenethiol
4-ABT:: 4-Aminobenzenethiol
4-MBA:: 4-Mercaptobenzoicacid
4-MP:: 4-Mercaptophenol
4-MPY:: 4-Mercaptopyridine
4-NP:: 4-Nitrophenol
ANTA:: 5-Amino-3-nitro-1 H-1,2,4-triazole
ATP:: Aminothiophenol
BT:: Benzenethiol
CB:: Conduction band
CL-20:: 2,4,6,8,10,12-Hexanitro-2,4,6,8,10,12-hexaazaisowurtzitane
CT:: Charge transfer
CV:: Crystal violet
DTNB:: 5–5′-Dithio-bis (2-nitrobenzoic acid)
EF:: Enhancement factor
EM:: Electromagnetic
FESEM:: Field emission scanning electron microscope
FIB:: Focused ion beam
FOX-7:: 1,1-Diamino-2,2dinitroethene
HOMO:: Highest occupied molecular orbitals
HRTEM:: High-resolution transmission electron microscope
LUMO:: Lowest unoccupied molecular orbitals
MB:: Methylene blue
MBA:: Mercaptobenzoic acid
MEPL:: Metal-enhanced photoluminescence
MG:: Malachite green
MO:: Methyl orange
MPH:: Mercaptophenol
NIR:: Near-infrared
NPs:: Nanoparticles
NRs:: Nanorods
PATP:: p-Aminothiophenol
PNTP:: p-Nitrothiophenol
PSA:: Prostate-specific antigen
PVP:: Poly vinyl pyrrolidone
Py:: Pyridine
R6G:: Rhodamine 6G
RhB:: Rhodamine B
SERS:: Surface-enhanced Raman spectroscopy
SPR:: Surface Plasmon resonance
TP:: Thiophenol
VB:: Valance band

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Centre for Nano and Soft Matter Sciences, Jalahalli, Bengaluru, India
Bramhaiah Kommula & Neena S. John

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Bramhaiah Kommula
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Chemistry Department, King Abdulaziz University, Jeddah, Saudi Arabia
Inamuddin
Chemistry Department, King Abdulaziz University, Jeddah, Saudi Arabia
Abdullah M. Asiri

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Kommula, B., John, N.S. (2020). Noble Metal-Metal Oxide Hybrid Nanoparticles for Surface-Enhanced Raman Spectroscopy-Based Sensors. In: Inamuddin, Asiri, A. (eds) Nanosensor Technologies for Environmental Monitoring. Nanotechnology in the Life Sciences. Springer, Cham. https://doi.org/10.1007/978-3-030-45116-5_11

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DOI: https://doi.org/10.1007/978-3-030-45116-5_11
Published: 16 July 2020
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Online ISBN: 978-3-030-45116-5
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