NDLI: Plasmonic Spherical Nanoparticles Coupled with Titania Nanotube Arrays Prepared by Anodization as Substrates for Surface-Enhanced Raman Spectroscopy Applications: A Review

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Plasmonic Spherical Nanoparticles Coupled with Titania Nanotube Arrays Prepared by Anodization as Substrates for Surface-Enhanced Raman Spectroscopy Applications: A Review

Content Provider	MDPI
Author	Jimenez-Cisneros, Jorge Galindo-Lazo, Juan Pablo Mendez-Rojas, Miguel Angel Campos-Delgado, Jessica Rosaura Cerro-Lopez, Monica
Copyright Year	2021
Description	As surface-enhanced Raman spectroscopy (SERS) continues developing to be a powerful analytical tool for several probes, four important aspects to make it more accessible have to be addressed: low-cost, reproducibility, high sensibility, and recyclability. Titanium dioxide nanotubes $(TiO_{2}$ NTs) prepared by anodization have attracted interest in this field because they can be used as safe solid supports to deposit metal nanoparticles to build SERS substrate nanoplatforms that meet these four desired aspects. $TiO_{2}$ NTs can be easily prepared and, by varying different synthesis parameters, their dimensions and specific features of their morphology can be tuned allowing them to support metal nanoparticles of different sizes that can achieve a regular dispersion on their surface promoting high enhancement factors (EF) and reproducibility. Besides, the $TiO_{2}$ photocatalytic properties enable the substrate’s self-cleaning property for recyclability. In this review, we discuss the different methodological strategies that have been tested to achieve a high performance of the SERS substrates based on $TiO_{2}$ NTs as solid support for the three main noble metal nanoparticles mainly studied for this purpose: Ag, Au, and Pt.
Starting Page	7443
e-ISSN	14203049
DOI	10.3390/molecules26247443
Journal	Molecules
Issue Number	24
Volume Number	26
Language	English
Publisher	MDPI
Publisher Date	2021-12-08
Access Restriction	Open
Subject Keyword	Molecules Spectroscopy Titania Nanotubes Surface-enhanced Raman Spectroscopy (sers) Silver Nanoparticles Gold Nanoparticles Platinum Nanoparticles Plasmon Resonance
Content Type	Text
Resource Type	Article

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