Surface enhanced Raman scattering and microwave absorption in silver nanoparticle inks

Figueroa, Manuel; Stephen, Schraer; Pourrezaei, Kambiz; Tyagi, S.

doi:10.1117/12.909093

Cited by 3 publications

(2 citation statements)

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“…Error bars represent the variation of the mean coverage that occurred when the coverage detection threshold was varied by 25%. The dashed line in (c) is a fit to a first-order exponential growth and saturation model (i.e., logistic growth), f ( x ) = a (1 + e – b ( x – c ) ) −1 ; here, x is the UV dose, a = (0.87 ± 0.01%), b = (13.37 ± 0.11) GJ –1 m 2 , and c = (0.26 ± 0.01) GJ m –2 , where uncertainties are determined from error propagation based on a 95% confidence interval. The solid line is the result of a numerical microerosion simulation using the 3D-microstructure model in Figure e.…”

Section: Resultsmentioning

confidence: 99%

Giant Surface Conductivity Enhancement in a Carbon Nanotube Composite by Ultraviolet Light Exposure

Long¹,

Orloff²,

Twedt³

et al. 2016

ACS Appl. Mater. Interfaces

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Carbon nanotube composites are lightweight, multifunctional materials with readily adjustable mechanical and electrical properties-relevant to the aerospace, automotive, and sporting goods industries as high-performance structural materials. Here, we combine well-established and newly developed characterization techniques to demonstrate that ultraviolet (UV) light exposure provides a controllable means to enhance the electrical conductivity of the surface of a commercial carbon nanotube-epoxy composite by over 5 orders of magnitude. Our observations, combined with theory and simulations, reveal that the increase in conductivity is due to the formation of a concentrated layer of nanotubes on the composite surface. Our model implies that contacts between nanotube-rich microdomains dominate the conductivity of this layer at low UV dose, while tube-tube transport dominates at high UV dose. Further, we use this model to predictably pattern conductive traces with a UV laser, providing a facile approach for direct integration of lightweight conductors on nanocomposite surfaces.

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Section: Resultsmentioning

confidence: 99%

Giant Surface Conductivity Enhancement in a Carbon Nanotube Composite by Ultraviolet Light Exposure

Long¹,

Orloff²,

Twedt³

et al. 2016

ACS Appl. Mater. Interfaces

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show abstract

“…Currently, SERS is a popular spectroscopic technique based on the plasmon-assisted scattering of molecules on or near metal nanostructures. It is widely used owing to several advantages, such as simple sample preparation, capability of detecting multiple analytes, and non-destructive analysis at a high sensitivity level [ 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 ].…”

Section: Introductionmentioning

confidence: 99%

Recent Advances in Surface-Enhanced Raman Scattering Magnetic Plasmonic Particles for Bioapplications

et al. 2021

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The surface-enhanced Raman scattering (SERS) technique, that uses magnetic plasmonic particles (MPPs), is an advanced SERS detection platform owing to the synergetic effects of the particles’ magnetic and plasmonic properties. As well as being an ultrasensitive and reliable SERS material, MPPs perform various functions, such as aiding in separation, drug delivery, and acting as a therapeutic material. This literature discusses the structure and multifunctionality of MPPs, which has enabled the novel application of MPPs to various biological fields.

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Inkjet Printing of Functional Materials and Post‐Processing

Reinhold

2017

Nanomaterials for 2D and 3D Printing

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Surface enhanced Raman scattering and microwave absorption in silver nanoparticle inks

Cited by 3 publications

References 0 publications

Giant Surface Conductivity Enhancement in a Carbon Nanotube Composite by Ultraviolet Light Exposure

Giant Surface Conductivity Enhancement in a Carbon Nanotube Composite by Ultraviolet Light Exposure

Recent Advances in Surface-Enhanced Raman Scattering Magnetic Plasmonic Particles for Bioapplications

Inkjet Printing of Functional Materials and Post‐Processing

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