A Comprehensive Review on Raman Spectroscopy Applications

Orlando, Andrea; Franceschini, Filippo; Muscas, Cristian; Pidkova, Solomiya; Bartoli, Mattia; Rovere, Massimo; Tagliaferro, Alberto

doi:10.3390/chemosensors9090262

Cited by 143 publications

(89 citation statements)

References 222 publications

(256 reference statements)

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“…The cement clinker recovered from the CVD process was preliminarily analysed though Raman spectroscopy [ 32 ] ( Figure 2 ) to confirm the formation of CNTs.…”

Section: Resultsmentioning

confidence: 99%

A First Assessment of Carbon Nanotubes Grown on Oil-Well Cement via Chemical Vapor Deposition

et al. 2022

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In this study, carbon nanotubes (CNTs) were synthesized on an oil-well cement substrate using the chemical vapor deposition (CVD) method. The effect of synthesis process on cement was investigated in depth. In this regard, FE-SEM, RAMAN and X-Ray spectroscopy were used to characterize the cement before and after the synthesis process to reveal the modifications to the cementitious matrix and some unique morphological features of CNTs.

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“…The cement clinker recovered from the CVD process was preliminarily analysed though Raman spectroscopy [ 32 ] ( Figure 2 ) to confirm the formation of CNTs.…”

Section: Resultsmentioning

confidence: 99%

A First Assessment of Carbon Nanotubes Grown on Oil-Well Cement via Chemical Vapor Deposition

et al. 2022

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“…Raman spectroscopy can provide information on a molecular level, and it is useful in nanoparticle characterization such as crystallinity and defects within particles as well as surface compositions. [ 154 ] Raman spectroscopy provides a structural fingerprint (spectral patterns) of the chemical sample being analyzed. [ 155 ] This information can be used to determine quantitatively or semiquantitatively the amount of substance in the sample, which can have a wide number of physical states (solids, liquids, or vapors).…”

Section: General Remarks On Synthesis and Characterization Of Plasmon...mentioning

confidence: 99%

Importance of Monitoring the Synthesis of Light‐Interacting Nanoparticles – A Review on In Situ, Ex Situ, and Online Time‐Resolved Studies

Pinho

Zhang

Hoye

et al. 2022

Advanced Optical Materials

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Reducing the dimensionality of materials from bulk thin films and single crystals to nanocrystals (NCs) and quantum dots This review paper analyzes the importance of monitoring the synthesis of plasmonic and optoelectronic materials to provide a mechanistic understanding of their nucleatiçon and growth, as well as crucial kinetic insights to enable their future development. Light-interacting nanoparticles present strong size-property relationships, such that size control is at the core of any synthetic development. However, conventional ex situ characterization of these materials has heavily limited their development to simple trial-and-error approaches. Over the last decade, the development of in situ and online characterization capabilities has transformed the understanding of mechanistic models. In addition, time-resolved data are able to reveal the step rate, even for phenomena taking place in the microsecond timescale (i.e., nucleation), thanks to the use of micro-flow-reactors. However, the literature contains a few disagreements and inaccuracies, which are considered to be due to the general lack of attention and control on mixing (relevant when mixing time is comparable to the reaction time), and the presence of additives during synthesis (e.g., stabilizers). Finally, it is believed that recent in situ monitoring development coupled with reactor design brings unique opportunities to not only synthesize nanoparticles in a reproducible and controllable manner, but also gives data-rich approaches for self-regulated and automated systems.

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“…This problem of the preparation of SERS-active substrates is described by many authors who offer their solutions [ 218 , 219 , 220 ]; however, it has not yet been possible to develop a fundamentally new scheme for the fabrication of nanocomposite materials with the ideally uniform distribution of hot spots. Moreover, much attention needs to be paid to the study of a wider range of molecules of different origins, which find their application in life science [ 221 ]. The compilation of a public database of Raman spectra based on research data will provide the fast and reliable identification of unknown analytes by comparing the obtained data with the reference data.…”

Section: Conclusion and Future Prospectsmentioning

confidence: 99%

Raman Scattering-Based Biosensing: New Prospects and Opportunities

et al. 2021

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The growing interest in the development of new platforms for the application of Raman spectroscopy techniques in biosensor technologies is driven by the potential of these techniques in identifying chemical compounds, as well as structural and functional features of biomolecules. The effect of Raman scattering is a result of inelastic light scattering processes, which lead to the emission of scattered light with a different frequency associated with molecular vibrations of the identified molecule. Spontaneous Raman scattering is usually weak, resulting in complexities with the separation of weak inelastically scattered light and intense Rayleigh scattering. These limitations have led to the development of various techniques for enhancing Raman scattering, including resonance Raman spectroscopy (RRS) and nonlinear Raman spectroscopy (coherent anti-Stokes Raman spectroscopy and stimulated Raman spectroscopy). Furthermore, the discovery of the phenomenon of enhanced Raman scattering near metallic nanostructures gave impetus to the development of the surface-enhanced Raman spectroscopy (SERS) as well as its combination with resonance Raman spectroscopy and nonlinear Raman spectroscopic techniques. The combination of nonlinear and resonant optical effects with metal substrates or nanoparticles can be used to increase speed, spatial resolution, and signal amplification in Raman spectroscopy, making these techniques promising for the analysis and characterization of biological samples. This review provides the main provisions of the listed Raman techniques and the advantages and limitations present when applied to life sciences research. The recent advances in SERS and SERS-combined techniques are summarized, such as SERRS, SE-CARS, and SE-SRS for bioimaging and the biosensing of molecules, which form the basis for potential future applications of these techniques in biosensor technology. In addition, an overview is given of the main tools for success in the development of biosensors based on Raman spectroscopy techniques, which can be achieved by choosing one or a combination of the following approaches: (i) fabrication of a reproducible SERS substrate, (ii) synthesis of the SERS nanotag, and (iii) implementation of new platforms for on-site testing.

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A Comprehensive Review on Raman Spectroscopy Applications

Cited by 143 publications

References 222 publications

A First Assessment of Carbon Nanotubes Grown on Oil-Well Cement via Chemical Vapor Deposition

A First Assessment of Carbon Nanotubes Grown on Oil-Well Cement via Chemical Vapor Deposition

Importance of Monitoring the Synthesis of Light‐Interacting Nanoparticles – A Review on In Situ, Ex Situ, and Online Time‐Resolved Studies

Raman Scattering-Based Biosensing: New Prospects and Opportunities

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