Characterization of the copper surface optimized for use as a substrate for surface-enhanced Raman scattering

Kudelski, Andrzej; Bukowska, J.; Janik‐Czachor, M.; Grochala, Wojciech; Szummer, A.; Dolata, M.

doi:10.1016/s0924-2031(97)00049-0

Cited by 50 publications

(20 citation statements)

References 28 publications

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“…The use of this solution for copper surface activation was proposed in Ref. 31. The other parameters of the treatment were developed over the course of the current work.…”

Section: Surface Enhanced Raman Spectroscopymentioning

confidence: 99%

Adsorption of some benzohydroxamic acid derivatives on copper oxide: assignment and interpretation of SERS spectra

Blajiev

Terryn

Hubin

et al. 2006

J Raman Spectroscopy

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The general aim of this work is to obtain information about the adsorption geometry of several benzohydroxamic acid (BHA) derivatives deposited on copper oxide. The investigation is done by means of surface enhanced Raman spectroscopy (SERS). In order to interpret the experimental information, an assignment of the SERS spectra is carried out. The process of assignment is supported by theoretical spectra derived from quantum-chemical calculations. As the size of the molecules and the overall lack of symmetry of the adsorbate-substrate system hinder the transparent description of the molecular vibrations, the local symmetry of the benzene is used as a basic classification feature. Such an approach is justified because, according to the theoretical spectra, the vibrations typical for the free benzene ring are conserved in the studied molecules. The deformations of the substituent and hydroxamic groups are added as a secondary descriptive element. On the basis of the spectrum assignment, the common vibrations typical for all investigated compounds and those used for identification that are pertinent to each of them, are classified. The surface selection rule is then qualitatively applied in order to derive information about the adsorption geometry.

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“…The use of this solution for copper surface activation was proposed in Ref. 31. The other parameters of the treatment were developed over the course of the current work.…”

Section: Surface Enhanced Raman Spectroscopymentioning

confidence: 99%

Adsorption of some benzohydroxamic acid derivatives on copper oxide: assignment and interpretation of SERS spectra

Blajiev

Terryn

Hubin

et al. 2006

J Raman Spectroscopy

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“…A typical example of such roughening procedure is roughening of the Cu electrode in 0. [45]. Copper surfaces nanostructured in this way contained significantly less oxygen than surfaces produced by standard oxidation-reduction cycling [45].…”

Section: Surfaces Containing a Large Number Of Electromagnetic Nanorementioning

confidence: 98%

“…(a) Potential cycling of a copper electrode in a solution containing a copper salt (e.g., solution of CuCl 2 or CuCl 2 + LiCl) [44,45]. In this case, the potential range is chosen in such a way that more metallic copper is deposited during the reduction part of the cycle than it is later dissolved during the oxidation part.…”

Section: Surfaces Containing a Large Number Of Electromagnetic Nanorementioning

confidence: 99%

Electrochemical Preparation of Nanoresonators

Kudelski

2015

Handbook of Nanoelectrochemistry

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In 1970s it was observed that the efficiency of Raman scattering for molecules placed in the optical nanoresonators may increase even more than seven orders of magnitude. Later, large increase of the efficiency of other optical processes (e.g., infrared absorption, fluorescence, or second harmonic generation) has been also reported for molecules placed in nanoresonators. Therefore, fabrication of electromagnetic nanoresonators and their applications for the construction of various analytical sensors are studied in many laboratories in the world. The first practically used electromagnetic nanoresonators have been formed electrochemically, and, although other methods have been developed since then, various types of such nanostructures are still being formed using different electrochemical methods.In this review different approaches used for the electrochemical formation of electromagnetic nanoresonators are discussed. Methods of the formation of single active-site nanoresonators, and of nanostructured surfaces containing a large number of places where the optical energy is concentrated, are presented. Fabrication of composite nanoresonators composed of at least two different materials is also briefly described.

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“…The spectra were acquired each for 5 s and the Raman intensity was an averaged value of three replicate measurements collected from different locations on the surface under open circuit or cathodic potential control. For comparison, copper electrode was also roughened by ORC [28]. Briefly, the electrode was scanned in 0.1 M KCl aqueous solution for 50 cycles between −0.87 V and −0.24 V versus the SMSE.…”

Section: Surface Wettability and Sers Measurementsmentioning

confidence: 99%

Rapid fabrication of SERS substrate and superhydrophobic surface with different micro/nano-structures by electrochemical shaping of smooth Cu surface

Guo

Liu

Zhao

et al. 2015

Applied Surface Science

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Characterization of the copper surface optimized for use as a substrate for surface-enhanced Raman scattering

Cited by 50 publications

References 28 publications

Adsorption of some benzohydroxamic acid derivatives on copper oxide: assignment and interpretation of SERS spectra

Adsorption of some benzohydroxamic acid derivatives on copper oxide: assignment and interpretation of SERS spectra

Electrochemical Preparation of Nanoresonators

Rapid fabrication of SERS substrate and superhydrophobic surface with different micro/nano-structures by electrochemical shaping of smooth Cu surface

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