Electroless deposition via galvanic displacement as a simple way for the preparation of silver, gold, and copper SERS-active substrates

Volochanskyi, Oleksandr; Švecová, Marie; Bartůněk, Vilém; Prokopec, Vadim

doi:10.1016/j.colsurfa.2021.126310

Cited by 11 publications

(7 citation statements)

References 25 publications

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“…Rhodamine 6G and riboflavin have both been used as analyte molecules in several cases to investigate the optimization of different production of SERS substrates. Furthermore, using the optimized substrates, the detection limit is determined for both analytes [4,23,33,[42][43][44][45].…”

Section: Resultsmentioning

confidence: 99%

An Investigation of Surface-Enhanced Raman Scattering of Different Analytes Adsorbed on Gold Nanoislands

et al. 2021

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In this study, metallic nanoislands were prepared by thermal annealing of gold thin film produced by vacuum evaporation on a glass substrate to investigate the surface-enhanced Raman scattering (SERS) effect on them. The influence of the analyte on the enhancement factor of SERS was studied with riboflavin and rhodamine 6G dye. Two laser excitation sources at 532 and 633 nm wavelengths were used for SERS measurements. We found that the enhancement factors of the gold nanoisland SERS substrates were influenced by the analytes’ adsorption tendency onto their surfaces. The SERS amplification was also found to be dependent on the electronic structure of the molecules; higher enhancement factors were obtained for rhodamine 6G with 532 nm excitation, while for riboflavin the 633 nm source performed better.

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Section: Resultsmentioning

confidence: 99%

An Investigation of Surface-Enhanced Raman Scattering of Different Analytes Adsorbed on Gold Nanoislands

et al. 2021

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“…92 Dissolution of the chitin wing template using 85% H 3 PO 4 during 3 days for samples plated 25 min leaves a nanostructured freestanding Cu film that functions as an effective SERS substrate for rhodamine 6G detection at 10 More recently, studies involving galvanic Cu deposition, primarily on Al substrates, have also yielded reproducible EL Cu structures having nanostructured morphologies required for SERS applications. For example, S ̌vecováand co-workers 99 have reported the deposition of Cu 0 (as well as Ag 0 and Au 0 ) species on Al surfaces via galvanic displacement mechanisms at low and high pH during ∼10 min Cu II treatments. Adherent submicron Cu 0 spheres having nanostructured surfaces are deposited using pH 12.5 aqueous solution containing a 0.1 M Cu(NH 3 ) 6 2+ salt.…”

Section: ■ Elementsmentioning

confidence: 99%

Electroless Metallization of the Elements: Survey and Progress

Turró

Dressick

2022

ACS Appl. Electron. Mater.

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The electroless plating of metals and their alloys, oxides, and chalcogenides represents a critically important technology for the automotive, aerospace, machine tools, and, especially, the electronics industries. Since the initial efforts involving the plating of industrially important metals, such as Ni, Co, Cu, Ag, and Au, in the mid-20th century, the process has evolved to encompass a growing number of elements. At the same time, this expansion in the palette of accessible metals has enabled progress in these industries and evoked new nonconventional applications. In this review, we collect and survey available electroless processes in aqueous and organic solvent systems for each element organized according to position in the Periodic Table as a resource for the reader. Examples illustrating progress in the field are presented and are described in sufficient detail to be useful and understandable for both the expert and nonexpert. Given the historical importance of electronics as a driver for development of electroless processes, examples are electronics-related where possible. However, we strive to also include examples of applications in nontraditional fields to provide the reader with a sense of generality available for electroless methods. The review closes with an outlook for the field and a challenge to scientists and engineers to adapt electroless processes for new applications to continue the growth of the field.

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“…Electroless deposition is diffusion-limited, meaning the size of deposited structures is directly related to the size of the less noble metal on the surface . It has demonstrated great utility in the fabrication of high enhancement factor SERS substrates. − …”

Section: Introductionmentioning

confidence: 99%

“…Thus, diffusion and availability of Ag + ions affect dendrite formation. 25,37,38 An increase in the AgNO 3 concentration to 0.01 M reveals the formation of globular deposits on the existing branches of the dendritic structures (Figure 1A-A2). Further increase in the AgNO 3 concentration (0.1 and 0.5 M, Figure 1A-A3,A4, respectively) reveals that the deposits become more globular, and at 0.5 M, distinct jaggededged polyhedrals are formed on the surface of the disks, which show a lack of sharp tips.…”

Section: ■ Introductionmentioning

confidence: 99%

3D Printed SERS-Active Thin-Film Substrates Used to Quantify Levels of the Genotoxic Isothiazolinone

2022

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Several reports present methods to fabricate thin-film substrates capable of surface-enhanced Raman scattering (SERS). Substrates synthesized by displacing silver onto copper using facile synthesis methods such as galvanic displacement can generate high levels of SERS enhancement rivaling commercially available substrates manufactured by lithographic methods. Here, we describe the optimization of a novel set of SERS-active thin-film substrates synthesized via the electroless displacement of Ag onto the surface of three-dimensional (3D) printed disks composed of the copper/polymer (PLA) composite filament. The effect of AgNO3 concentration on the deposition, morphology, and overall SERS activity of the substrates has been carefully studied. Two commonly used Raman reporters, 4-mercaptobenzoic acid (MBA) and malachite green isothiocyanate (MGITC), were used to measure the SERS output of the substrates. Good SERS signal reproducibility (RSD ∼16.8%) was measured across the surface of replicate substrates and high-sensitivity detection of MBA was achieved (10–12 M). To test the real-world application of our substrates, we opted to detect 5-chloro-2-methyl-4-isothiazolin-3-one (CMIT), which is a genotoxic, biocide common in many household products, known to leach into water supplies. Our newly developed SERS-active substrates could detect CMIT down to 10 ppm when spiked in simulated lake water samples, which is well within current agency standards.

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Electroless deposition via galvanic displacement as a simple way for the preparation of silver, gold, and copper SERS-active substrates

Cited by 11 publications

References 25 publications

An Investigation of Surface-Enhanced Raman Scattering of Different Analytes Adsorbed on Gold Nanoislands

An Investigation of Surface-Enhanced Raman Scattering of Different Analytes Adsorbed on Gold Nanoislands

Electroless Metallization of the Elements: Survey and Progress

3D Printed SERS-Active Thin-Film Substrates Used to Quantify Levels of the Genotoxic Isothiazolinone

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