Fabrication of Plasmonic Nanodiscs by Photonic Nanojet Lithography

Kim, Joo-Young; Cho, Kyuman; Kim, Inho; Kim, Won Mok; Lee, Taek Sung; Lee, Kyeong-Seok

doi:10.1143/apex.5.025201

Cited by 39 publications

(26 citation statements)

References 16 publications

(18 reference statements)

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“…• Synthesis of the Precursor: ZAD (1.8 g, 7.7×10 -3 mol) was treated with an equimolar 29,30 amount of EA (0.47 mL). The mixture was kept at 60 °C under continuous stirring for 24 h.…”

Section: Samples Preparationmentioning

confidence: 99%

Study of a sol–gel precursor and its evolution towards ZnO

Gómez-Núñez

López

Alonso-Gil

et al. 2015

Materials Chemistry and Physics

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Abstract:The processes involved in the assembly of zinc acetate dihydrate {Zn(CH 3 COO) 2 ·2H 2 O} and ethanolamine (H 2 NCH 2 CH 2 OH), with or without 2-methoxyethanol as solvent, have been analysed by infrared spectra, mass spectrometry, nuclear magnetic resonance, powder X-ray diffraction and computational studies. Thermal evolution of the mixtures was characterized by thermoanalytical and structural techniques (thermogravimetry, differential thermal analysis, differential scanning calorimetry, X-ray diffraction and X-Ray photoelectron spectroscopy). Computational studies together with experiments served to thoroughly describe the precursor and its decomposition. The thermal decomposition of the mixture and its transformation into crystalline ZnO take place in a temperature range between 50 and 450 °C through different processes. With solvent, the processes need temperatures

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“…• Synthesis of the Precursor: ZAD (1.8 g, 7.7×10 -3 mol) was treated with an equimolar 29,30 amount of EA (0.47 mL). The mixture was kept at 60 °C under continuous stirring for 24 h.…”

Section: Samples Preparationmentioning

confidence: 99%

Study of a sol–gel precursor and its evolution towards ZnO

Gómez-Núñez

López

Alonso-Gil

et al. 2015

Materials Chemistry and Physics

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“…[4][5][6][7][8][9][10][11]. ZnO thin films can also be used in nanobiotechnological applications [12].…”

Section: Introductionmentioning

confidence: 99%

The Effects of Thermal Annealing on ZnO Thin Films Produced by Spin-Coating Method on Quartz Substrates

Ertek

Okur

2015

Int J Thermophys

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In this work, zinc oxide (ZnO) thin films on quartz substrates were fabricated using the spin-coating method. Thermal annealings from 350 • C to 1050 • C have been performed in 50 • C increments and for two annealing durations (0.5 h and 8 h). X-ray diffraction (XRD) spectra, scanning electron microscopy micrographs, and UV-Vis absorption spectra of all the samples have been elucidated from mechanical and optical points of view. It has been observed that for all annealing temperatures, the crystal phase has been obtained. After 850 • C annealings, a new crystal phase related to Zn 2 SiO 4 (willemite) has also been appeared in XRD spectra. This phase remained stable up to 1050 • C annealing together with the ZnO crystal phase. It has been found that the nano/micro rod diameters of the ZnO crystals reach to a maximum (0.4 μm) at the 700 • C annealing for both annealing durations. For 650 • C annealings, ZnO nanorods appeared to be split into two homogeneous nanorods of length of 500 μm and of width of 0.35 μm (350 nm) which was not the case for all other annealing temperatures. After 950 • C annealings, ZnO nano/micro rods started to disappear and formed homogeneous ZnO thin films.

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“…[2][3][4][5][6][7][8][9][10][11] Upon illuminating a micron-sized lossless dielectric microcylinder or microsphere with plane wave light, a propagating light beam that is narrow and bright, and can propagate over a distance longer than the wavelength, can be obtained from the shadow-side surface of the microcylinder or microsphere. Various types of application based on the PNJ have been proposed and demonstrated, such as spectroscopy with high sensitivity 2,3,8) and optical lithography for the fabrication of ultrafine structures.…”

Section: Introductionmentioning

confidence: 99%

“…Various types of application based on the PNJ have been proposed and demonstrated, such as spectroscopy with high sensitivity 2,3,8) and optical lithography for the fabrication of ultrafine structures. 4,5,6,11) Moreover, Kong et al reported that the propagation length of the PNJ could be increased by incorporating a multilayered graded-index structure in the microcylinder or the microsphere. 7) This suggests that designing an appropriately nonuniform distribution of dielectric permittivity in the microcylinder or microsphere can be effective to obtain a PNJ with a higher performance.…”

Section: Introductionmentioning

confidence: 99%

FDTD analysis of photonic nanojet from self-organized liquid crystal microsystems

Okajima

Matsui

2014

SPIE Proceedings

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Since Chen et al. reported on the photonic nanojet (PNJ), many researches have been carried out from various viewpoints such as fundamental physics and device applications. We have numerically analyzed, based on the finite-difference time-domain (FDTD) method, generation of PNJ from microcylinders incorporating the liquid crystals (LCs) with radial hedgehog and tangential alignments, in which the director of LC molecules is perpendicular or parallel to the LC/matrix interface. For the radial hedgehog alignment of LC molecules, the PNJ from LC microcylinders is separated into two beams. For the tangential alignment of LC molecules, we show that the PNJ from LC microcylinders are uniquely polarized reflecting birefringence of LCs, which cannot be obtained using optically isotropic microdroplets or microcylinders. By using the LC micro-systems, we may obtain a rich variety of PNJ with electrical tunability.

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Fabrication of Plasmonic Nanodiscs by Photonic Nanojet Lithography

Cited by 39 publications

References 16 publications

Study of a sol–gel precursor and its evolution towards ZnO

Study of a sol–gel precursor and its evolution towards ZnO

The Effects of Thermal Annealing on ZnO Thin Films Produced by Spin-Coating Method on Quartz Substrates

FDTD analysis of photonic nanojet from self-organized liquid crystal microsystems

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