Fabrication, Characterization, and Application of Large-Scale ...- laser fabrication of large-scale nanoparticle arrays for sensing applications ,Surface-enhanced Raman spectroscopy (SERS) substrates with high sensitivity and reproducibility are highly desirable for high precision and even molecular-level detection applications. Here, large-scale uniformly hybrid nanoparticle-enhanced Raman spectroscopy (NERS) substrates with high reproducibility and controllability were developed. Using oxygen plasma treatment, large-area and uniformly ... Control of Nanoscale Heat Generation with Lithography-Free ...Metasurfaces, artificially engineered surfaces comprised of subwavelength resonators, show promise for realizing a new generation of optical materials and devices. However, current metasurface architectures suffer from environmental degradation, a limited spectral range, and a lack of scalability. Here, we demonstrate a novel large-area embedded metasurface architecture that is environmentally ...
Here, the formation of large-scale gold microbumps arrays by using a direct laser writing technique is presented. The fabricated arrays exhibit the hybrid lattice plasmon polaritons in the Vis–NIR range, in the same range as metallic gratings fabricated by lithography-based techniques.
Creating shape-defined structures of inorganic nanoparticles in a maskless and template-free fashion would advance the engineering of nanoparticle-based devices and structures with desired configurations for various applications. In this work, a novel fabrication protocol combining bottom-up interfacial assembly and subtractive laser patterning was developed for creating patterned arrays of ...
In this paper, laser annealing is used to produce metal (Ag) nanoparticles as etching catalyst on a silicon surface, which enables controllable fabrication of large-scale nanohole array surface texturing without using a mask.
The localized surface plasmon resonance (LSPR) phenomenon that is characteristic of gold and silver nanoparticles has applications in areas such as portable and remote chemical and biological sensing. However, fabrication of metal nanoparticle arrays with high uniformity and repeatability, at a reasonable cost, is difficult. Nanosphere lithography (NSL) has been used to produce inexpensive ...
tioning of the nanoparticles as well as for large-scale nano-particle array transfer whose size is only limited by the size of the existing nanostructured template and the moving range of the stage. For our demonstration, we fabricated a uniform spherical Au nanoparticle array area of 70lm 70lmona
Noble metal plasmonic nanostructures have a wide range of applications in surface-enhanced Raman scattering (SERS), solar energy conversion, optical imaging, biosensing, and many
Tseng et al. [ 11, 18] demonstrated that UV excimer laser processing of thin Au and Ag films deposited on paper results in fabrication of nanoparticles array that covers the paper surface. In this paper, results on laser annealing of different metal films (Au, Ag, Ni, Cu) deposited on standard printer, glossy and silicone papers are presented.
Metasurfaces, artificially engineered surfaces comprised of subwavelength resonators, show promise for realizing a new generation of optical materials and devices. However, current metasurface architectures suffer from environmental degradation, a limited spectral range, and a lack of scalability. Here, we demonstrate a novel large-area embedded metasurface architecture that is environmentally ...
A novel method for high-speed fabrication of large scale periodic arrays of nanoparticles (diameters 40–200 nm) is developed. This method is based on a combination of nanosphere lithography and laser-induced transfer. Fabricated spherical nanoparticles are partially embedded into a polymer substrate.
A novel method for high-speed fabrication of large scale periodic arrays of nanoparticles (diameters 40-200 nm) is developed based on a combination of nanosphere lithography and laser-induced transfer. A novel method for high-speed fabrication of large scale periodic arrays of nanoparticles (diameters 40-200 nm) is developed. This method is based on a combination of nanosphere lithography and ...
Infrared (IR) microlens arrays (MLA) have attracted increasing interest for use in infrared micro-optical devices and systems. However, the beam homogenization of IR laser light is relatively difficult to achieve because most materials absorb strongly in the IR wavelength band. In this paper, we present a new method for the application of double-sided quasi-periodic chalcogenide glass (ChG ...
Noble metal plasmonic nanostructures have a wide range of applications in surface-enhanced Raman scattering (SERS), solar energy conversion, optical imaging, biosensing, and many
A novel method for high-speed fabrication of large scale periodic arrays of nanoparticles (diameters 40-200 nm) is developed. This method is based on a combination of nanosphere lithography and laser-induced transfer. Fabricated spherical nanoparticles are partially embedded into a polymer substrate. They are arranged into a hexagonal array and can be used for sensing applications. An optical ...
Noble metal plasmonic nanostructures have a wide range of applications in surface-enhanced Raman scattering (SERS), solar energy conversion, optical imaging, biosensing, and many
Self-assembly of large-scale gold nanoparticle arrays and their application in SERS Sheng-Qing Zhu1,2,3, Tong Zhang1,2,3*, Xin-Li Guo4 and Xiao-Yang Zhang1,2,3 Background Surface-enhanced Raman scattering (SERS) has been considered as a highly sensitive and convenient analytical tool to detect chemical and biological molecules [1-7].
Nanoparticles display fascinating electronic and optical properties as a consequence of their dimensions and they may be easily synthesized from a wide range of materials. The dimensions of these particles makes them ideal candidates for the nanoengineering of surfaces and the fabrication of functional nanostructures.
A novel method for high-speed fabrication of large scale periodic arrays of nanoparticles (diameters 40-200 nm) is developed. This method is based on a combination of nanosphere lithography and laser-induced transfer. Fabricated spherical nanoparticles are partially embedded into a polymer substrate.
Noble metal plasmonic nanostructures have a wide range of applications in surface-enhanced Raman scattering (SERS), solar energy conversion, optical imaging, biosensing, and many
Figure 4. (a) Transmission spectra of the gold nanoparticle sensor array in different test solutions of glycerin in water. The content of glycerin inweight percents and corresponding refractive index of the solutions are shown in the panel. (b) Spectral position dependence of the resonance dips on the refractive index of the test solutions (n). (c) Dependence of the sensor sensitivity on the ...
Metasurfaces, artificially engineered surfaces comprised of subwavelength resonators, show promise for realizing a new generation of optical materials and devices. However, current metasurface architectures suffer from environmental degradation, a limited spectral range, and a lack of scalability. Here, we demonstrate a novel large-area embedded metasurface architecture that is environmentally ...
This route is suitable for fabrication of large area ordered gold nanodots which has applications in photovoltaic industry. 1 Introduction Array of Au NPs (gold nanoparticles) is a much sought after structure having a wide range of applications in photovoltaics [ [1] ], surface enhanced fluorescence [ [2] ], bio sensing [ [3] ], label-free ...
Self-assembly of large-scale GNP arrays on ITO/glass substrate. Large-scale GNP arrays on ITO/glass substrates were prepared according to the modified method we have previously reported . In a typical process, 2 mL of 0.01 M PVP and 1.5 mL of 0.1 M AA were added into the GNP solution and stirred strongly subsequently.
tioning of the nanoparticles as well as for large-scale nano-particle array transfer whose size is only limited by the size of the existing nanostructured template and the moving range of the stage. For our demonstration, we fabricated a uniform spherical Au nanoparticle array area of 70lm 70lmona
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