Self-alignment of Gold Nanoparticles through the Control of Particle-substrate and Particle-particle Interactions

Sugimura, Hiroyuki; Yang, Jeong Hyeon; Uchida, Shou; Higashino, Takahiro; Khatri, Om P.; Ichii, Takashi; Murase, Kuniaki

doi:10.1016/j.proeng.2012.03.055

Cited by 3 publications

(2 citation statements)

References 11 publications

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“…In recent years, there has been a growing demand for selfaligning nano-and micro-particles in two [1][2][3] or three dimensions [4][5][6] without aggregation in the fields of science and engineering to produce functional surfaces or 3D structures. [7][8][9][10][11][12] In the field of engineering, 3D printers are used not only to mold resins or metals, [13][14][15][16] but also to stack cells, successfully producing functional three-dimensional organs.…”

Section: Introductionmentioning

confidence: 99%

Optimal conditions and generation mechanism of jet atomization for uniform distribution of nano- and micro-droplets

Matsuura¹,

Furukawa²,

Watanabe³

et al. 2022

Jpn. J. Appl. Phys.

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This study provides a jet atomization technique to uniformly distribute nano- and micro-particles on the substrate by enclosing them in water droplets to avoid their aggregation. Jet atomization is a two-dimensional uniform spray and is generated using a diaphragm. The ideal jet atomization was achieved when the diaphragm was highly hydrophilic (contact angle 9.8°), and the spring constant was approximately 1.27 N/m. The several experiments in this study supported the idea that jet atomization was caused by surface wave formed on the water film, rather than by boiling or cavitation of the water. The resonance between the diaphragm and the surface wave was investigated using a simple model. The results of this study can be expected to make fundamental contributions to pharmacy, medicine, and environmental science, where the uniform distribution of fine particles such as drugs, DNAs, and microplastics is required for the analyses of their properties.

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Section: Introductionmentioning

confidence: 99%

Optimal conditions and generation mechanism of jet atomization for uniform distribution of nano- and micro-droplets

Matsuura¹,

Furukawa²,

Watanabe³

et al. 2022

Jpn. J. Appl. Phys.

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show abstract

“…During the past decade, gold nanoparticles (GNPs) have attracted enormous amount of attention due to their unique optical, chemical, electrical and catalytic properties [1] . The assembly of GNPs into one or two-dimensional patterns is of special interest, since a nanoparticles array confined into a designed pattern are expected to emerge a variety of functions adaptable in, for example, electronic, photonic, magnetic, chemical and biological applications [2] . Nowadays, during many methods on building nanoparticle arrays [3] , self-assembling is a powerful approach for fabricating periodic nanomaterials of GNPs with a high regularity.…”

Section: Introductionmentioning

confidence: 99%

Self-Assembly of Gold Nanoparticle Arrays with Anodic Aluminum Oxide Template

Wang

et al. 2014

AMR

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Nanoparticles and their ordered arrays have many important applications in fields such as electronic, optical, memory storage devices and sensors. Herein, a simple method was used for fabricating three-dimensional ordered gold nanoparticle arrays with template technique. Gold films were deposited onto anodic aluminum oxide by using electron beam evaporation. After thermal annealing, interestingly, order arrays of gold nanoparticles were obtained by a thermodynamically driven self-assembled process. The spectrum taken by UV-Vis spectrophotometer demonstrates clear surface plasmon resonance at around 500 nm, which appears blue-shift compared with usual gold nanoparticles.

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Gold-assisted growth of oxide bases underneath dewetted gold nanoparticles

Liu

Xie

et al. 2019

Materials Characterization

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Self-alignment of Gold Nanoparticles through the Control of Particle-substrate and Particle-particle Interactions

Cited by 3 publications

References 11 publications

Optimal conditions and generation mechanism of jet atomization for uniform distribution of nano- and micro-droplets

Optimal conditions and generation mechanism of jet atomization for uniform distribution of nano- and micro-droplets

Self-Assembly of Gold Nanoparticle Arrays with Anodic Aluminum Oxide Template

Gold-assisted growth of oxide bases underneath dewetted gold nanoparticles

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