Using nanosphere lithography for fabrication of a multilayered system of ordered gold nanoparticles
Journal Title: Semiconductor Physics, Quantum Electronics and Optoelectronics - Year 2017, Vol 20, Issue 2
Abstract
New modification of nanosphere lithography has been realized to obtain multilayered systems of ordered gold nanopartciles (NP). NP have been formed using vacuum deposition of 5…60-nm layer of gold on ionic etched multilayered regular coating consisted of several layers of 200-nm polystyrene spheres. Optical study shows that spectra of NP depend on their thickness and may be changed by heat treatment. Increasing the NP thickness within the 5…20-nm range leads to a shortwave displacement of the plasmon resonance peak position, while the longwave shift is observed in 20…60-nm range. Heat treatment of NP brings narrowing and displacement of spectral bands, rising the extinction. It has been supposed that variation of the NP shape is the most substantial factor for changes of optical properties in the 5…20 nm thickness region, while electromagnetic coupling between NP in different layers becomes more important for thicknesses larger than 40 nm. Optical properties inherent to the obtained system of NP can be tuned by changing the polystyrene spheres diameter, extent of etching, thickness of gold layer and with the heat treatment. It may be used in design of nanophotonic devices.
Authors and Affiliations
V. I. Styopkin, V. Liakhovetskyi
Keywords
Related Articles
- EP ID EP216948
- DOI 10.15407/spqeo20.02.240
- Views 82
- Downloads 0
Speckle pattern formation in spatially limited optical systems
The dependences of statistical parameters inherent to speckle patterns on the object roughness and aperture size have been investigated. The experimental results that confirm theoretical dependence quality within the lim...
Fluorescence of molecules placed near a spherical particle: Rabi splitting
Theoretical study of spontaneously emitted spectra of point-like source placed near spherical Ag particle was performed. It was shown that near-field electromagnetic interaction between a point-like emitter and spherical...
2D semiconductor structures as a basis for new high-tech devices (Review)
In this article, we present a short overview of the Ukrainian contribution into physics of 2D semiconductor structures as a basis for high-tech devices of modern nanoelectronics together with some new results in this fie...
The non-linear dependence of 6СНВТ liquid crystal conductivity on the concentration of gold nanoparticles
Within the frequency range 10–1…106 Hz at the temperature 293 K, the effect of gold nanoparticles on the dielectric properties of the planar-oriented nematic liquid crystal 6СНВТ has been studied. The concentration of na...
Polyvinylcarbazole films: Applications for chemical sensors
The adsorption properties of polyvinylcarbazole (PVC) films as sensitive layers of quartz crystal microbalance (QCM) sensors have been studied. Different organic vapors and complex mixture (a cologne) were tested as anal...